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Eukaryota
  Plantae
    Embryophyta
      Magnoliophyta
            Eudicots
                    Saxifragales
                            Crassulaceae
                                     Adromischus
                                             Adromischus alstonii
                                                   [Adromischus pulchellus]
                                                   [Adromischus subrubellus]
                                                   [Adromischus triebneri]
                                                   [Cotyledon alstonii]
                                             Adromischus bicolor
                                             Adromischus caryophyllaceus
                                                   [Adromischus bolusii]
                                                   [Adromischus grandiflorus]
                                                   [Adromischus jasminiflorus]
                                                   [Cotyledon bolusii]
                                                   [Cotyledon caryophyllacea]
                                                   [Cotyledon jasminiflora]
                                             Adromischus coleorum
                                             Adromischus cooperi
                                                   [Adromischus cooperi var. immaculata]
                                                   [Adromischus festivus]
                                                   [Adromischus halesowensis]
                                                   [Adromischus pachylophus]
                                                   [Cotyledon cooperi var. immaculata]
                                                   [Cotyledon cooperi]
                                             Adromischus cristatus
                                               Adromischus cristatus var. clavifolius
                                                     [Adromischus clavifolius]
                                                     [Adromischus kesselringianus]
                                                     [Adromischus nussbaumerianus]
                                                     [Adromischus poellnitzianus]
                                                     [Cotyledon clavifolia]
                                                     [Cotyledon nussbaumeriana]
                                               Adromischus cristatus var. cristatus
                                                     [Cotyledon cristata]
                                               Adromischus cristatus var. mzimvubuensis
                                               Adromischus cristatus var. schonlandii
                                                     [Adromischus schonlandii]
                                                     [Cotyledon schonlandii]
                                               Adromischus cristatus var. zeyheri
                                                     [Adromischus zeyheri]
                                                     [Cotyledon zeyheri]
                                             Adromischus diabolicus
                                             Adromischus esterhuysenae
                                             Adromischus fallax
                                             Adromischus filicaulis
                                               Adromischus filicaulis subsp. filicaulis
                                                     [Adromischus fragilis var. numeesensis]
                                                     [Adromischus fragilis]
                                                     [Adromischus fusiformis]
                                                     [Adromischus kleinioides]
                                                     [Adromischus mammillaris var. filicaulis]
                                                     [Adromischus mammillaris var. fusiformis]
                                                     [Adromischus mammillaris var. rubra]
                                                     [Cotyledon filicaulis]
                                                     [Cotyledon fusiformis]
                                               Adromischus filicaulis subsp. marlothii
                                                     [Adromischus mammillaris var. marlothii]
                                                     [Adromischus marlothii]
                                                     [Adromischus tricolor]
                                                     [Cotyledon marlothii]
                                             Adromischus grasbergensis
                                             Adromischus hemisphaericus
                                                   [Adromischus rotundifolius]
                                                   [Cotyledon hemispherica]
                                                   [Cotyledon rhombifolia]
                                                   [Cotyledon rotundifolia]
                                             Adromischus humilis
                                                   [Cotyledon humilis]
                                                   [Cotyledon nana]
                                             Adromischus inamoenus
                                             Adromischus leucophyllus
                                             Adromischus liebenbergii
                                               Adromischus liebenbergii subsp. liebenbergii
                                             Adromischus maculatus
                                                   [Cotyledon alternans]
                                                   [Cotyledon maculata]
                                             Adromischus mammillaris
                                                   [Cotyledon mammilaris]
                                             Adromischus marianiae
                                               Adromischus marianiae var. hallii
                                                     [Adromischus casmithianus]
                                                     [Adromischus hallii]
                                               Adromischus marianiae var. immaculatus
                                                     [Adromischus alveolatus]
                                                     [Adromischus antidorcadum]
                                                     [Adromischus herrei]
                                                     [Adromischus marianiae f. alveoluatus]
                                                     [Adromischus marianiae f. herrei]
                                                     [Adromischus marianiae f. multicolor]
                                                     [Adromischus marianiae var. antidorcadum]
                                                     [Cotyledon herrei]
                                               Adromischus marianiae var. kubusensis
                                                     [Adromischus blosianus]
                                                     [Adromischus geyeri]
                                                     [Adromischus kubusensis]
                                                     [Adromischus rodinii]
                                               Adromischus marianiae var. marianiae
                                                     [Cotyledon marianiae]
                                             Adromischus maximus
                                             Adromischus montium-klinghardtii
                                                   [Cotyledon montium-klinghardtii]
                                             Adromischus nanus
                                                   [Adromischus pauciflorus]
                                             Adromischus orientalis
                                                   [Adromischus liebenbergii subsp. orientalis]
                                             Adromischus phillipsiae
                                                   [Cotyledon phillipsiae]
                                             Adromischus roaneanus
                                             Adromischus robustus
                                             Adromischus schuldtianus
                                               Adromischus schuldtianus subsp. brandbergensis
                                               Adromischus schuldtianus subsp. juttae
                                                     [Adromischus juttae]
                                               Adromischus schuldtianus subsp. schuldtianus
                                                     [Cotyledon schuldtiana]
                                             Adromischus sphenophyllus
                                                   [Adromischus rhombifolius var. bakeri]
                                                   [Adromischus rhombifolius]
                                             Adromischus subdistichus
                                             Adromischus subviridis
                                             Adromischus triflorus
                                                   [Adromischus procurvus]
                                                   [Adromischus subcompressus]
                                                   [Adromischus subpetiolatus]
                                                   [Cotyledon bolusii var. karroensis]
                                                   [Cotyledon procurva]
                                                   [Cotyledon triflora]
                                             Adromischus trigynus
                                                   [Adromischus rupicola]
                                                   [Cotyledon rhombifolia var. spathulata]
                                                   [Cotyledon trigyna]
                                             Adromischus umbraticola
                                               Adromischus umbraticola subsp. ramosus
                                               Adromischus umbraticola subsp. umbraticola
                                                     [Adromischus saxicola]
                                             Adromischus violaceus
                                     Aeonium
                                             Aeonium leucoblepharum
                                     Bryophyllum
                                             Bryophyllum delagoense
                                     Bulliarda
                                     Cotyledon
                                             Cotyledon adscendens
                                             Cotyledon barbeyi
                                                   [Cotyledon sturmiana]
                                                   [Cotyledon transvaalensis]
                                                   [Cotyledon wickensii var. glandulosa]
                                                   [Cotyledon wickensii]
                                               Cotyledon barbeyi var. soutpansbergensis
                                             Cotyledon campanulata
                                             Cotyledon cuneata
                                                   [Adromischus cuneatus]
                                                   [Cotyledon deasii]
                                                   [Cotyledon pillansii]
                                             Cotyledon egglii
                                             Cotyledon eliseae
                                             Cotyledon flanaganii
                                                   [Cotyledon orbiculata var. flanaganii]
                                               Cotyledon flanaganii subsp. flanaganii
                                               Cotyledon flanaganii subsp. mzimvubuensis
                                             Cotyledon gloeophylla
                                             Cotyledon orbiculata
                                               Cotyledon orbiculata var. dactylopsis
                                               Cotyledon orbiculata var. oblonga
                                                     [Cotyledon canaliculata]
                                                     [Cotyledon canalifolia]
                                                     [Cotyledon coruscans]
                                                     [Cotyledon crassifolia]
                                                     [Cotyledon cuneiformis]
                                                     [Cotyledon decussata var. flavida]
                                                     [Cotyledon decussata var. rubra]
                                                     [Cotyledon flavida]
                                                     [Cotyledon galpinii]
                                                     [Cotyledon leucophylla]
                                                     [Cotyledon macrantha var. virescens]
                                                     [Cotyledon macrantha]
                                                     [Cotyledon obermeyeriana]
                                                     [Cotyledon oblonga]
                                                     [Cotyledon rudatisii]
                                                     [Cotyledon simulans var. spathulata]
                                                     [Cotyledon simulans]
                                                     [Cotyledon undulata]
                                                     [Cotyledon virescens]
                                                     [Cotyledon viridis]
                                                     [Cotyledon whiteae]
                                                     [Cotyledon zuluensis]
                                               Cotyledon orbiculata var. orbiculata
                                                     [Adromischus mucronatus]
                                                     [Cotyledon ausana]
                                                     [Cotyledon decussata var. dielsii]
                                                     [Cotyledon decussata var. hinrichseniana]
                                                     [Cotyledon decussata]
                                                     [Cotyledon elata]
                                                     [Cotyledon engleri]
                                                     [Cotyledon flanaganii var. karroensis]
                                                     [Cotyledon mucronata]
                                                     [Cotyledon orbiculata var. ausana]
                                                     [Cotyledon orbiculata var. dinteri]
                                                     [Cotyledon orbiculata var. elata]
                                                     [Cotyledon orbiculata var. engleri]
                                                     [Cotyledon orbiculata var. higginsiae]
                                                     [Cotyledon orbiculata var. hinrichseniana]
                                                     [Cotyledon orbiculata var. obovata]
                                                     [Cotyledon orbiculata var. oophylla]
                                                     [Cotyledon orbiculata var. ramosa]
                                                     [Cotyledon orbiculata var. rotundifolia]
                                                     [Cotyledon orbiculata var. viridis]
                                                     [Cotyledon ovata]
                                                     [Cotyledon papillaris var. tricuspidata]
                                                     [Cotyledon ramosa]
                                                     [Cotyledon tricuspidata]
                                                     [Cotyledon undulata var. mucronata]
                                                     [Cotyledon ungulata]
                                               Cotyledon orbiculata var. spuria
                                                     [Cotyledon purpurea]
                                                     [Cotyledon spuria]
                                             Cotyledon papillaris
                                                   [Cotyledon acaulon]
                                                   [Cotyledon glandulosa]
                                                   [Cotyledon glutinosa]
                                                   [Cotyledon gracilis]
                                                   [Cotyledon jacobseniana]
                                                   [Cotyledon meyeri]
                                                   [Cotyledon muirii]
                                                   [Cotyledon papillaris var. glutinosa]
                                                   [Cotyledon papillaris var. robusta]
                                                   [Cotyledon papillaris var. subundulata]
                                                   [Cotyledon pseudogracilis]
                                                   [Cotyledon teretifolia]
                                             Cotyledon pendens
                                             Cotyledon petiolaris
                                             Cotyledon tanquana
                                             Cotyledon tomentosa
                                               Cotyledon tomentosa subsp. ladismithiensis
                                                     [Cotyledon heterophylla]
                                                     [Cotyledon ladismithensis]
                                               Cotyledon tomentosa subsp. tomentosa
                                             Cotyledon velutina
                                                   [Cotyledon beckeri]
                                                   [Cotyledon velutina var. beckeri]
                                             Cotyledon woodii
                                                   [Cotyledon ramosissima]
                                                   [Cotyledon salmiana var. woodii]
                                                   [Cotyledon salmiana]
                                               Cotyledon woodii subsp. cremnophila
                                               Cotyledon woodii subsp. woodii
                                             Cotyledon xanthantha
                                                   [Cotyledon lutea]
                                     Crassula
                                             Crassula acinaciformis
                                                   [Crassula aloides]
                                                   [Crassula inaequalis]
                                             Crassula adscendens
                                             Crassula alba
                                               Crassula alba var. alba
                                                     [Crassula milleriana]
                                                     [Crassula recurva]
                                                     [Crassula rubicunda var. flexuosa]
                                                     [Crassula rubicunda var. hispida]
                                                     [Crassula rubicunda var. milleriana]
                                                     [Crassula rubicunda var. subglabra]
                                                     [Crassula rubicunda var. typica]
                                                     [Crassula rubicunda]
                                                     [Crassula stewartiae]
                                                     [Globulea stricta]
                                               Crassula alba var. pallida
                                               Crassula alba var. parvisepala
                                                     [Crassula atro-sanguinea]
                                                     [Crassula rubicunda var. lydenburgensis]
                                                     [Crassula rubicunda var. parvisepala]
                                                     [Crassula rubicunda var. similis]
                                                     [Crassula similis]
                                                     [Crassula wilmsii]
                                             Crassula alcicornis
                                             Crassula alpestris
                                               Crassula alpestris subsp. alpestris
                                                     [Purgosea alpestris]
                                               Crassula alpestris subsp. massonii
                                                     [Crassula massonii]
                                                     [Crassula variabilis]
                                             Crassula alstonii
                                             Crassula ammophila
                                             Crassula anso-lerouxiae
                                             Crassula aphylla
                                                   [Rhopalota aphylla]
                                             Crassula arborescens
                                               Crassula arborescens subsp. arborescens
                                                     [Cotyledon arborescens]
                                                     [Crassula cotyledon]
                                                     [Crassula cotyledonifolia]
                                                     [Toelkenia arborescens]
                                               Crassula arborescens subsp. undulatifolia
                                             Crassula atropurpurea
                                               Crassula atropurpurea var. anomala
                                                     [Crassula anomala]
                                               Crassula atropurpurea var. atropurpurea
                                                     [Crassula clavifolia]
                                                     [Crassula micrantha]
                                                     [Crassula obliqua]
                                                     [Crassula smutsii]
                                                     [Globulea atropurpurea]
                                               Crassula atropurpurea var. cultriformis
                                                     [Crassula cultriformis var. robusta]
                                                     [Crassula cultriformis]
                                               Crassula atropurpurea var. muirii
                                                     [Crassula atropurpurea var. rubella]
                                                     [Crassula clavifolia var. muirii]
                                                     [Crassula rubella]
                                               Crassula atropurpurea var. purcellii
                                                     [Crassula purcellii]
                                               Crassula atropurpurea var. watermeyeri
                                                     [Crassula gifbergensis]
                                                     [Crassula watermeyeri]
                                             Crassula aurusbergensis
                                             Crassula ausensis
                                               Crassula ausensis subsp. ausensis
                                                     [Crassula hofmeyeriana]
                                                     [Crassula karasana]
                                                     [Crassula littlewoodii]
                                               Crassula ausensis subsp. giessii
                                                     [Crassula giessii]
                                               Crassula ausensis subsp. titanopsis
                                             Crassula badspoortensis
                                             Crassula barbata
                                               Crassula barbata subsp. barbata
                                                     [Crassula lettyae]
                                                     [Purgosea barbata]
                                               Crassula barbata subsp. broomii
                                                     [Crassula broomii]
                                             Crassula barklyi
                                                   [Crassula teres]
                                             Crassula bergioides
                                                   [Crassula aristata]
                                                   [Crassula pusilla]
                                             Crassula biplanata
                                                   [Crassula punctulata]
                                             Crassula brachystachya
                                             Crassula brevifolia
                                               Crassula brevifolia subsp. brevifolia
                                                     [Crassula flagillima]
                                                     [Crassula flavovirens]
                                                     [Crassula montis-draconis]
                                                     [Crassula pearsonii]
                                               Crassula brevifolia subsp. psammophila
                                             Crassula calcarea
                                             Crassula campestris
                                                   [Crassula campestris f. compacta]
                                                   [Crassula campestris f. laxa]
                                                   [Sedum campestre]
                                             Crassula capensis
                                               Crassula capensis var. albertiniae
                                                     [Crassula albertiniae]
                                                     [Crassula bartlettii]
                                               Crassula capensis var. capensis
                                                     [Crassula globifera]
                                                     [Crassula septas var. leipoldtii]
                                                     [Crassula septas]
                                                     [Septas capensis]
                                                     [Septas globifera]
                                               Crassula capensis var. promontorii
                                                     [Crassula promontorii]
                                             Crassula capitella
                                                   [Purgosea turrita]
                                               Crassula capitella subsp. capitella
                                                     [Crassula albanensis]
                                                     [Crassula hemisphaerica var. recurva]
                                                     [Crassula impressa]
                                                     [Crassula paniculata]
                                                     [Crassula rufo-punctata]
                                                     [Crassula spicata]
                                                     [Crassula subbifaria]
                                                     [Crassula turrita var. latifolia]
                                                     [Globulea impressa var. minor]
                                                     [Globulea impressa]
                                                     [Globulea paniculata]
                                                     [Purgosea alooides]
                                                     [Purgosea capitella]
                                                     [Purgosea spicata]
                                                     [Purgosea turrita var. alba]
                                               Crassula capitella subsp. meyeri
                                                     [Crassula brevistyla]
                                                     [Crassula meyeri]
                                                     [Crassula natalensis var. mosii]
                                               Crassula capitella subsp. nodulosa
                                                     [Crassula avismontana]
                                                     [Crassula capitella subsp. enantiophylla]
                                                     [Crassula elata]
                                                     [Crassula enantiophylla]
                                                     [Crassula guchabensis]
                                                     [Crassula nodulosa f. nodulosa]
                                                     [Crassula nodulosa f. rhodesica]
                                                     [Crassula nodulosa var. nodulosa]
                                                     [Crassula nodulosa]
                                                     [Crassula pectinata]
                                               Crassula capitella subsp. sessilicymula
                                                     [Crassula sessilicymula]
                                               Crassula capitella subsp. thyrsiflora
                                                     [Aloe pertusa]
                                                     [Crassula corymbosula var. cordata]
                                                     [Crassula corymbosula var. lanceolata]
                                                     [Crassula corymbosula var. major]
                                                     [Crassula corymbosula var. typica]
                                                     [Crassula corymbosula]
                                                     [Crassula nuda]
                                                     [Crassula rhodogyna]
                                                     [Crassula thyrsiflora]
                                                     [Crassula triebneri]
                                                     [Crassula turrita var. rosea]
                                                     [Crassula turrita]
                                                     [Purgosea corymbulosa]
                                                     [Purgosea pertusa]
                                                     [Purgosea pertusula]
                                                     [Purgosea thyrsiflora]
                                             Crassula ciliata
                                                   [Purgosea ciliata]
                                                   [Sedum ciliatum]
                                             Crassula clavata
                                             Crassula coccinea
                                                   [Crassula versicolor]
                                                   [Dietrichia coccinia]
                                                   [Dietrichia versicolor]
                                                   [Kalosanthes coccinia var. alba]
                                                   [Kalosanthes coccinia]
                                                   [Kalosanthes versicolor]
                                                   [Larochea coccinea]
                                                   [Rochea coccinea]
                                             Crassula columella
                                             Crassula columnaris
                                               Crassula columnaris subsp. columnaris
                                                     [Crassula mitrata]
                                               Crassula columnaris subsp. prolifera
                                                     [Crassula columnaris var. elongata]
                                                     [Crassula semiorbicularis]
                                             Crassula compacta
                                                   [Crassula compacta var. elatior]
                                                   [Crassula massonoides]
                                                   [Crassula mossii]
                                             Crassula congesta
                                               Crassula congesta subsp. congesta
                                                     [Crassula pachyphylla]
                                               Crassula congesta subsp. laticephala
                                                     [Crassula laticephala]
                                             Crassula corallina
                                               Crassula corallina subsp. corallina
                                                     [Crassula dasyphylla]
                                               Crassula corallina subsp. macrorrhiza
                                             Crassula cordata
                                                   [Crassula aitonii]
                                                   [Crassula glauca]
                                                   [Crassula neglecta]
                                             Crassula cotyledonis
                                                   [Crassula cephalophora var. dubia]
                                                   [Crassula cephalophora var. tayloriae]
                                                   [Crassula dubia]
                                                   [Crassula rehmanni]
                                                   [Crassula tayloriae]
                                                   [Purgosea cotyledonis]
                                             Crassula cremnophila
                                             Crassula crenulata
                                                   [Crassula caerulata]
                                                   [Crassula telephioides]
                                                   [Purgosea crenulata]
                                             Crassula cultrata
                                                   [Crassula cultrata var. typica]
                                                   [Crassula torquata]
                                                   [Globulea cultrata]
                                             Crassula cymbiformis
                                             Crassula cymosa
                                                   [Crassula arenicola]
                                                   [Larochea cymosa]
                                                   [Rochea cymosa]
                                                   [Sedum cymosum]
                                             Crassula deceptor
                                                   [Crassula arta]
                                                   [Crassula cornuta]
                                                   [Crassula deceptrix]
                                             Crassula decidua
                                             Crassula decumbens
                                               Crassula decumbens var. brachyphylla
                                                     [Bulliarda brevifolia]
                                                     [Crassula brachyphylla]
                                                     [Tillaea brevifolia]
                                               Crassula decumbens var. decumbens
                                                     [Bulliarda trichotoma]
                                                     [Crassula langebaanensis]
                                                     [Crassula langebergensis]
                                                     [Crassula leipoldtii]
                                                     [Crassula macrantha]
                                                     [Tillaea trichotoma]
                                             Crassula deltoidea
                                                   [Crassula rhomboidea]
                                             Crassula dentata
                                                   [Crassula dentata var. minor]
                                                   [Crassula dielsii]
                                                   [Crassula marlothii]
                                                   [Crassula minima]
                                                   [Crassula patens]
                                                   [Crassula petrogeton]
                                                   [Petrogeton patens]
                                                   [Petrogeton typicum var. minus]
                                                   [Petrogeton typicum]
                                                   [Purgosea dentata]
                                                   [Purgosea minima]
                                             Crassula dependens
                                                   [Crassula basutica]
                                                   [Crassula griquaensis]
                                                   [Crassula harveyi var. dependens]
                                                   [Crassula harveyi var. intermedia]
                                                   [Crassula harveyi var. typica]
                                                   [Crassula harveyi]
                                                   [Crassula laxa]
                                                   [Crassula montis-moltkei]
                                             Crassula depressa
                                                   [Crassula ecklonii]
                                                   [Grammanthes depressa]
                                                   [Grammanthes gentianoides var. depressa]
                                             Crassula dichotoma
                                                   [Crassula chloraeflora]
                                                   [Crassula gentianoides]
                                                   [Crassula retroflexa]
                                                   [Grammanthes chloraeflora var. caesia]
                                                   [Grammanthes chloraeflora]
                                                   [Grammanthes gentianoides var. caesia]
                                                   [Grammanthes gentianoides var. chloraeflora]
                                                   [Grammanthes gentianoides var. vera]
                                                   [Grammanthes gentianoides]
                                                   [Grammanthes retroflexa]
                                                   [Vauanthes chloraeflora]
                                                   [Vauanthes dichotoma]
                                             Crassula diffusa
                                             Crassula dodii
                                             Crassula elatinoides
                                                   [Bulliarda elantinoides]
                                                   [Tillaea elatinoides]
                                             Crassula elegans
                                               Crassula elegans subsp. elegans
                                                     [Crassula corpusculariopsis]
                                                     [Crassula densa]
                                                     [Crassula dinteri]
                                                     [Crassula globosa]
                                                     [Crassula humilis]
                                                     [Crassula liquiritiodora]
                                                     [Crassula schoenlandii]
                                               Crassula elegans subsp. namibensis
                                                     [Crassula mesembrianthoides]
                                                     [Crassula namibensis]
                                             Crassula elsieae
                                             Crassula ericoides
                                               Crassula ericoides subsp. ericoides
                                                     [Crassula furcata]
                                                     [Crassula jacobseniana]
                                                     [Tetraphyle furcata]
                                               Crassula ericoides subsp. tortuosa
                                             Crassula exilis
                                               Crassula exilis subsp. cooperi
                                                     [Crassula bolusii]
                                                     [Crassula cooperi var. subnodulosa]
                                                     [Crassula cooperi]
                                                     [Sedum regelii]
                                               Crassula exilis subsp. exilis
                                                     [Crassula petraea]
                                               Crassula exilis subsp. picturata
                                                     [Crassula picturata]
                                               Crassula exilis subsp. sedifolia
                                                     [Crassula aurosensis]
                                                     [Crassula sedifolia]
                                             Crassula expansa
                                               Crassula expansa subsp. expansa
                                                     [Crassula albicaulis]
                                                     [Crassula parviflora]
                                                     [Crassula prostratum]
                                                     [Sedum expansum]
                                               Crassula expansa subsp. filicaulis
                                                     [Crassula filicaulis]
                                                     [Crassula maritima]
                                                     [Crassula uniflora]
                                               Crassula expansa subsp. fragilis
                                                     [Crassula browniana]
                                                     [Crassula fragilis]
                                                     [Crassula thorncroftii]
                                                     [Crassula woodii]
                                               Crassula expansa subsp. pyrifolia
                                                     [Crassula pyrifolia]
                                             Crassula fallax
                                             Crassula fascicularis
                                                   [Crassula media]
                                                   [Crassula odoratissima]
                                                   [Dietrichia bicolor]
                                                   [Dietrichia media]
                                                   [Dietrichia odoratissima]
                                                   [Kalosanthes bicolor]
                                                   [Kalosanthes biconvexa]
                                                   [Kalosanthes capitata]
                                                   [Kalosanthes cymosa]
                                                   [Kalosanthes fascicularis]
                                                   [Kalosanthes media]
                                                   [Kalosanthes odoratissima var. alba]
                                                   [Kalosanthes odoratissima]
                                                   [Larochea fascicularis]
                                                   [Larochea odoratissima var. bicolor]
                                                   [Larochea odoratissima]
                                                   [Larochea tiniflora]
                                                   [Rochea bicolor]
                                                   [Rochea biconvexa]
                                                   [Rochea fascicularis]
                                                   [Rochea media]
                                                   [Rochea odoratissima var. alba]
                                                   [Rochea odoratissima var. bicolor]
                                                   [Rochea odoratissima]
                                                   [Rochea subulata]
                                                   [Rochea versicolor]
                                             Crassula filiformis
                                                   [Dinacria filiformis]
                                                   [Grammanthes filiformis]
                                             Crassula flanaganii
                                                   [Crassula acuminata]
                                             Crassula flava
                                                   [Crassula bullulata]
                                                   [Crassula burmanniana]
                                                   [Curtogyne burmanniana]
                                                   [Curtogyne flava]
                                                   [Kalosanthes flava]
                                                   [Larochea flava]
                                                   [Rochea flava]
                                                   [Sedum flavum var. brevifolium]
                                                   [Sedum flavum var. lorifolium]
                                                   [Sedum flavum]
                                             Crassula foveata
                                             Crassula fragarioides
                                             Crassula fusca
                                             Crassula garibina
                                               Crassula garibina subsp. garibina
                                               Crassula garibina subsp. glabra
                                             Crassula gemmifera
                                             Crassula globularioides
                                             Crassula glomerata
                                                   [Crassula capillacea]
                                                   [Crassula glabra]
                                                   [Crassula glomerata var. patens]
                                                   [Crassula scleranthoides]
                                                   [Dasystemon calycina]
                                             Crassula grammanthoides
                                                   [Dinacria grammanthoides]
                                             Crassula grisea
                                                   [Crassula bakeri]
                                                   [Crassula ihlenfeldtii]
                                             Crassula hemisphaerica
                                                   [Crassula alooides]
                                                   [Crassula hemisphaerica var. foliosa]
                                                   [Crassula hemisphaerica var. typica]
                                                   [Purgosea hemisphaerica]
                                             Crassula hirsuta
                                                   [Crassula guilelmi-trollii]
                                             Crassula hirtipes
                                                   [Crassula hystrix]
                                             Crassula inandensis
                                                   [Crassula wyliei]
                                             Crassula inanis
                                                   [Bulliarda perfoliata]
                                                   [Helophytum inane var. latifolium]
                                                   [Helophytum inane]
                                                   [Tillaea inanis]
                                                   [Tillaea perfoliata var. latifolium]
                                                   [Tillaea perfoliata]
                                             Crassula intermedia
                                             Crassula lactea
                                                   [Toelkenia lactea]
                                             Crassula lanceolata
                                                   [Crassula schimperi var. lanceolata]
                                               Crassula lanceolata subsp. denticulata
                                                     [Crassula pentandra var. denticulata]
                                                     [Crassula pentandra]
                                                     [Crassula schimperi var. denticulata]
                                               Crassula lanceolata subsp. lanceolata
                                                     [Crassula filamentosa]
                                                     [Crassula schimperi f. filamentosa]
                                                     [Crassula schimperi var. illecebroides]
                                                     [Sedum muscosum]
                                                     [Tetraphyle lanceolata]
                                               Crassula lanceolata subsp. transvaalensis
                                                     [Crassula schimperi f. transvaalensis]
                                                     [Crassula schimperi subsp. transvaalensis]
                                                     [Crassula schimperi var. transvaalensis]
                                                     [Crassula selago]
                                                     [Crassula transvaalensis]
                                                     [Sedum transvaalense]
                                                     [Tillaea subulata]
                                             Crassula lanuginosa
                                               Crassula lanuginosa var. lanuginosa
                                               Crassula lanuginosa var. pachystemon
                                                     [Crassula ernestii]
                                                     [Crassula pachystemon]
                                             Crassula lasiantha
                                             Crassula latibracteata
                                             Crassula luederitzii
                                             Crassula macowaniana
                                                   [Crassula macowaniana var. crassifolia]
                                                   [Rochea perfoliata var. glaberrima]
                                             Crassula maputensis
                                             Crassula mesembrianthemopsis
                                             Crassula mesembryanthemoides
                                               Crassula mesembryanthemoides subsp. hispida
                                                     [Crassula hispida]
                                                     [Globulea hispida]
                                                     [Sphaeritis paucifolia]
                                               Crassula mesembryanthemoides subsp. mesembryanthemoides
                                                     [Crassula trachysantha]
                                                     [Globulea mesembryanthoides]
                                                     [Sphaeritis trachysantha]
                                             Crassula minuta
                                             Crassula mollis
                                                   [Crassula margaritifera]
                                                   [Crassula subincana]
                                                   [Globulea mollis]
                                                   [Globulea subincana var. decumbens]
                                                   [Globulea subincana var. erecta]
                                                   [Globulea subincana]
                                                   [Sphaeritis margaritifera]
                                             Crassula montana
                                               Crassula montana subsp. borealis
                                               Crassula montana subsp. montana
                                                     [Crassula engleri]
                                                     [Purgosea montana]
                                               Crassula montana subsp. quadrangularis
                                                     [Crassula gillii]
                                                     [Crassula quadrangularis]
                                             Crassula multicava
                                               Crassula multicava subsp. floribunda
                                               Crassula multicava subsp. multicava
                                                     [Crassula quadrifida]
                                             Crassula multiceps
                                             Crassula multiflora
                                               Crassula multiflora subsp. leucantha
                                               Crassula multiflora subsp. multiflora
                                             Crassula muricata
                                                   [Crassula divaricata]
                                             Crassula muscosa
                                               Crassula muscosa var. muscosa
                                                     [Crassula anguina]
                                                     [Crassula imbricata]
                                                     [Crassula littoralis]
                                                     [Crassula lycopodioides var. pseudolycopodioides]
                                                     [Crassula lycopodioides]
                                                     [Crassula pseudolycopodioides]
                                                     [Sedum lycopodioides]
                                                     [Tetraphyle littoralis]
                                                     [Tetraphyle lycopodioides]
                                               Crassula muscosa var. obtusifolia
                                                     [Crassula lycopodioides var. obtusifolia]
                                                     [Crassula muscosa var. rigida]
                                                     [Crassula propinqua]
                                                     [Tetraphyle propinqua]
                                               Crassula muscosa var. parvula
                                                     [Crassula parvula]
                                                     [Tetraphyle parvula]
                                               Crassula muscosa var. polpodacea
                                                     [Crassula lycopodioides var. polypodacea]
                                                     [Crassula muscosa var. sinuata]
                                                     [Crassula polpodacea]
                                             Crassula namaquensis
                                               Crassula namaquensis subsp. comptonii
                                                     [Crassula comptonii]
                                               Crassula namaquensis subsp. lutea
                                                     [Crassula lutea]
                                               Crassula namaquensis subsp. namaquensis
                                                     [Crassula namaquensis var. brevifolia]
                                             Crassula natalensis
                                                   [Crassula rubescens var. intermedia]
                                                   [Crassula rubescens var. laxa]
                                                   [Crassula rubescens]
                                                   [Crassula sessilifolia]
                                             Crassula natans
                                               Crassula natans var. minus
                                                     [Bulliarda filiformis]
                                                     [Crassula natans f. filiformis]
                                                     [Crassula natans subsp. filiformis]
                                                     [Crassula natans var. filiformis]
                                                     [Helophytum natans var. filiformis]
                                                     [Helophytum natans var. minus]
                                                     [Tillaea ecklonis]
                                               Crassula natans var. natans
                                                     [Bulliarda capensis]
                                                     [Crassula levynsiae]
                                                     [Crassula natans f. amphibia]
                                                     [Crassula natans f. fluitans]
                                                     [Crassula natans f. obovata]
                                                     [Crassula natans f. parvifolia]
                                                     [Helophytum filiforme var. parvulum]
                                                     [Helophytum filiforme]
                                                     [Helophytum fluitans var. intermedium]
                                                     [Helophytum fluitans var. obovatum]
                                                     [Helophytum fluitans]
                                                     [Helophytum natans var. amphibia]
                                                     [Helophytum natans var. fluitans]
                                                     [Helophytum natans var. obovatum]
                                                     [Helophytum natans]
                                                     [Helophytum reflexum]
                                                     [Tillaea capensis]
                                                     [Tillaea filiformis var. parvula]
                                                     [Tillaea filiformis]
                                                     [Tillaea fluitans var. intermedia]
                                                     [Tillaea fluitans var. obovata]
                                                     [Tillaea fluitans]
                                                     [Tillaea reflexa]
                                             Crassula nemorosa
                                                   [Crassula coerulescens]
                                                   [Crassula confusa]
                                                   [Crassula nivalis]
                                                   [Petrogeton nemorosum]
                                                   [Petrogeton nivale]
                                             Crassula nudicaulis
                                               Crassula nudicaulis var. herrei
                                                     [Crassula herrei]
                                               Crassula nudicaulis var. nudicaulis
                                                     [Crassula canescens var. angustifolia]
                                                     [Crassula canescens]
                                                     [Crassula cephalophora var. basutica]
                                                     [Crassula cephalophora var. thunbergii]
                                                     [Crassula cephalophora]
                                                     [Crassula hirta]
                                                     [Crassula nudicaulis var. glabra]
                                                     [Crassula obvallata]
                                                     [Crassula sulcata]
                                                     [Globulea canescens var. angustifolia]
                                                     [Globulea canescens]
                                                     [Globulea capitata]
                                                     [Globulea lingua]
                                                     [Globulea nudicaulis]
                                                     [Globulea obvallata]
                                                     [Globulea sulcata]
                                                     [Purgosea cephalophora]
                                                     [Purgosea hirta]
                                               Crassula nudicaulis var. platyphylla
                                                     [Crassula platyphylla]
                                             Crassula numaisensis
                                             Crassula oblanceolata
                                                   [Crassula lambertiana]
                                             Crassula obovata
                                               Crassula obovata var. dregeana
                                                     [Crassula dregeana]
                                                     [Crassula longistyla]
                                               Crassula obovata var. obovata
                                                     [Crassula inchangensis]
                                                     [Crassula peglerae]
                                                     [Crassula ramuliflora var. bewsii]
                                                     [Crassula ramuliflora var. bolusii]
                                                     [Crassula ramuliflora var. flanaganii]
                                                     [Crassula ramuliflora var. pulchella]
                                                     [Crassula ramuliflora var. rattrayi]
                                                     [Crassula ramuliflora var. simii]
                                                     [Crassula ramuliflora var. stachyera]
                                                     [Crassula ramuliflora var. typica]
                                                     [Crassula ramuliflora]
                                                     [Crassula reversisetosa]
                                                     [Crassula sediflora var. laxifoliosa]
                                                     [Crassula stachyera var. rotundifolia]
                                                     [Crassula stachyera]
                                                     [Purgosea obovata]
                                                     [Sedum ramuliflorum f. rubriflorum]
                                                     [Sedum ramuliflorum var. oblongifolia]
                                                     [Sedum ramuliflorum]
                                             Crassula obtusa
                                                   [Crassula jasminiana]
                                                   [Dietrichia jasminea var. uniflora]
                                                   [Dietrichia jasminea]
                                                   [Kalosanthes jasminea]
                                                   [Rochea jasminea]
                                                   [Rochea microphylla]
                                             Crassula orbicularis
                                                   [Crassula rosularis]
                                                   [Crassula sedoides]
                                             Crassula ovata
                                                   [Crassula argentea]
                                                   [Crassula articulata]
                                                   [Crassula lucens]
                                                   [Crassula nitida]
                                                   [Crassula portulacea]
                                                   [Toelkenia ovata]
                                             Crassula pageae
                                                   [Pagella archeri]
                                             Crassula pallens
                                             Crassula papillosa
                                                   [Crassula limosa]
                                             Crassula peculiaris
                                                   [Crassula expansa subsp. peculiaris]
                                             Crassula pellucida
                                               Crassula pellucida subsp. alsinoides
                                                     [Crassula alsinoides]
                                                     [Tillaea alsinoides]
                                               Crassula pellucida subsp. brachypetala
                                                     [Bulliarda dregei]
                                                     [Crassula brachypetala]
                                                     [Crassula diabolica]
                                                     [Crassula dregei]
                                                     [Crassula elongata]
                                                     [Crassula involucrata]
                                                     [Crassula prostrata]
                                                     [Crassula tysonii]
                                               Crassula pellucida subsp. marginalis
                                                     [Crassula centauroides var. marginalis]
                                                     [Crassula lineolata]
                                                     [Crassula marginalis]
                                                     [Crassula profusa]
                                               Crassula pellucida subsp. pellucida
                                                     [Crassula marginata]
                                               Crassula pellucida subsp. spongiosa
                                             Crassula peploides
                                                   [Crassula galpinii]
                                             Crassula perfoliata
                                                   [Rochea perfoliata]
                                               Crassula perfoliata var. coccinea
                                                     [Crassula johannis-winkleri]
                                                     [Crassula perfoliata var. miniata]
                                                     [Rochea perfoliata var. coccinea]
                                               Crassula perfoliata var. heterotricha
                                                     [Crassula heterotricha]
                                               Crassula perfoliata var. minor
                                                     [Crassula falcata]
                                                     [Crassula falx]
                                                     [Crassula perfoliata var. falcata]
                                                     [Larochea falcata var. minor]
                                                     [Larochea falcata]
                                                     [Rochea falcata var. minor]
                                                     [Rochea falcata]
                                               Crassula perfoliata var. perfoliata
                                                     [Crassula pallida]
                                                     [Crassula perfoliata var. albiflora]
                                                     [Larochea perfoliata var. alba]
                                                     [Larochea perfoliata]
                                                     [Rochea falcata var. acuminata]
                                                     [Rochea perfoliata var. alba]
                                             Crassula perforata
                                               Crassula perforata subsp. kougaensis
                                               Crassula perforata subsp. perforata
                                                     [Crassula anthurus]
                                                     [Crassula conjuncta]
                                                     [Crassula nealeana]
                                                     [Crassula pattersoniae]
                                                     [Crassula perfilata]
                                                     [Crassula perfossa]
                                             Crassula planifolia
                                             Crassula plegmatoides
                                                   [Crassula pseudocolumnaris]
                                             Crassula pruinosa
                                                   [Crassula scabrella]
                                                   [Crassula squamulosa]
                                             Crassula pseudohemisphaerica
                                             Crassula pubescens
                                               Crassula pubescens subsp. pubescens
                                                     [Crassula biconvexa]
                                                     [Crassula dewinteri]
                                                     [Crassula fergusoniae f. major]
                                                     [Crassula fergusoniae]
                                                     [Crassula radicans var. fastigiata]
                                                     [Crassula radicans var. phillipsii]
                                                     [Sphaeritis biconvexa]
                                               Crassula pubescens subsp. radicans
                                                     [Crassula radicans var. typica]
                                                     [Crassula radicans]
                                                     [Globulea radicans]
                                               Crassula pubescens subsp. rattrayi
                                                     [Crassula rattrayi]
                                             Crassula pustulata
                                             Crassula pyramidalis
                                                   [Crassula archeri]
                                                   [Crassula cylindrica]
                                                   [Crassula pyramidalis var. ramosa]
                                                   [Crassula quadrangula]
                                                   [Purgosea pyramidalis]
                                                   [Tetraphyle pyramidalis]
                                                   [Tetraphyle quadrangula]
                                             Crassula qoatlhambensis
                                             Crassula quadrifaria
                                               Crassula quadrifaria subsp. coegensis
                                               Crassula quadrifaria subsp. quadrifaria
                                             Crassula rhodesica
                                                   [Crassula campestris subsp. pharnaceoides]
                                                   [Crassula campestris subsp. rhodesica]
                                                   [Crassula pharnaceoides subsp. rhodesica]
                                                   [Crassula pharnaceoides]
                                             Crassula rogersii
                                                   [Sedum canescens var. caulescens]
                                                   [Sedum canescens]
                                             Crassula roggeveldii
                                             Crassula rubricaulis
                                                   [Crassula rubricaulis var. muirii]
                                             Crassula rudolfii
                                             Crassula rupestris
                                               Crassula rupestris subsp. commutata
                                                     [Crassula commutata]
                                               Crassula rupestris subsp. marnierana
                                                     [Crassula marnierana]
                                               Crassula rupestris subsp. rupestris
                                                     [Crassula monticola]
                                             Crassula sarcocaulis
                                               Crassula sarcocaulis subsp. rupicola
                                                     [Sedum caffrum]
                                               Crassula sarcocaulis subsp. sarcocaulis
                                                     [Crassula lignosa]
                                                     [Crassula parvisepala]
                                                     [Crassula sarcocaulis var. scaberula]
                                             Crassula sarmentosa
                                               Crassula sarmentosa var. integrifolia
                                               Crassula sarmentosa var. sarmentosa
                                             Crassula saxifraga
                                             Crassula scabra
                                             Crassula schimperi
                                             Crassula sebaeoides
                                                   [Dinacria sebaeoides]
                                                   [Grammanthes flava]
                                                   [Grammanthes gentianoides var. media]
                                                   [Grammanthes gentianoides var. sebaeoides]
                                                   [Grammanthes sebaeiodes]
                                             Crassula sediflora
                                               Crassula sediflora var. amatolica
                                                     [Crassula amatolica]
                                               Crassula sediflora var. sediflora
                                                     [Crassula tenuifolia]
                                                     [Purgosea sediflora]
                                             Crassula sericea
                                               Crassula sericea var. hottentotta
                                                     [Crassula hottentotta]
                                                     [Crassula merxmuelleri]
                                               Crassula sericea var. sericea
                                                     [Crassula hallii]
                                                     [Crassula klinghardtensis]
                                                     [Crassula suavis]
                                               Crassula sericea var. velutina
                                                     [Crassula velutina]
                                             Crassula setulosa
                                                   [Sedum dregeanum]
                                               Crassula setulosa var. deminuta
                                                     [Crassula deminuta]
                                               Crassula setulosa var. jenkinsii
                                               Crassula setulosa var. longiciliata
                                               Crassula setulosa var. rubra
                                                     [Crassula barklyana]
                                                     [Crassula curta var. rubra]
                                                     [Crassula curta]
                                                     [Crassula milfordiae]
                                                     [Crassula setulosa var. curta]
                                                     [Sedum dregeanum var. erectum]
                                               Crassula setulosa var. setulosa
                                                   Crassula setulosa f. setulosa
                                                         [Crassula bloubergensis]
                                                         [Crassula ramuliflora var. transvaalensis]
                                                         [Crassula scheppigiana]
                                                         [Crassula setulosa var. basutica]
                                                         [Crassula setulosa var. lanceolata]
                                                         [Crassula setulosa var. ovata]
                                                         [Crassula setulosa var. ramosa]
                                                         [Crassula setulosa var. robusta]
                                                         [Crassula stachyera var. pulchella]
                                                         [Sedum dregeanum var. adscendens]
                                             Crassula simulans
                                             Crassula sladenii
                                             Crassula smithii
                                             Crassula socialis
                                             Crassula southii
                                               Crassula southii subsp. southii
                                                     [Crassula mucronata]
                                               Crassula southii subsp. sphaerocephala
                                             Crassula spathulata
                                                   [Crassula cyclophylla]
                                                   [Crassula latispathulata]
                                                   [Crassula lucida]
                                             Crassula streyi
                                             Crassula strigosa
                                                   [Crassula centauroides]
                                                   [Crassula diaphana]
                                                   [Crassula sarcolipes]
                                                   [Crassula sylvatica]
                                                   [Sarcolipes pubescens]
                                             Crassula subacaulis
                                               Crassula subacaulis subsp. erosula
                                                     [Crassula erosula]
                                                     [Crassula inamoena]
                                                     [Crassula rauhii]
                                               Crassula subacaulis subsp. subacaulis
                                             Crassula subaphylla
                                               Crassula subaphylla var. subaphylla
                                                     [Crassula cogmansensis]
                                                     [Crassula incana]
                                                     [Crassula loganiana]
                                                     [Crassula remota]
                                                     [Crassula subaphylla var. puberula]
                                                     [Sedum cogmansense]
                                                     [Sphaeritis incana]
                                                     [Sphaeritis puberula]
                                                     [Sphaeritis subaphylla]
                                               Crassula subaphylla var. virgata
                                                     [Crassula virgata]
                                             Crassula subulata
                                               Crassula subulata var. fastigiata
                                                     [Crassula fastigiata]
                                               Crassula subulata var. hispida
                                               Crassula subulata var. subulata
                                                     [Crassula capitata]
                                                     [Crassula ramosa]
                                                     [Crassula rustii]
                                                     [Crassula sphaeritis]
                                                     [Sphaeritis muricata]
                                                     [Sphaeritis typica]
                                             Crassula susannae
                                             Crassula swaziensis
                                                   [Crassula argyrophylla var. ramosa]
                                                   [Crassula argyrophylla var. swaziensis]
                                                   [Crassula argyrophylla]
                                                   [Crassula globularioides subsp. argyrophylla]
                                                   [Crassula swaziensis f. argyrophylla]
                                                   [Crassula swaziensis f. brevipilosa]
                                                   [Crassula swaziensis f. gurnensis]
                                                   [Crassula swaziensis f. swaziensis]
                                                   [Crassula swaziensis subsp. brachycarpa]
                                                   [Crassula swaziensis subsp. swaziensis]
                                                   [Crassula swaziensis var. gurnensis]
                                                   [Crassula swaziensis var. swaziensis]
                                             Crassula tabularis
                                             Crassula tecta
                                                   [Crassula decipiens]
                                                   [Purgosea tecta]
                                             Crassula tenuicaulis
                                             Crassula tenuipedicellata
                                                   [Crassula parvipetala]
                                             Crassula tetragona
                                               Crassula tetragona subsp. acutifolia
                                                     [Crassula acutifolia var. radicans]
                                                     [Crassula acutifolia var. typica]
                                                     [Crassula acutifolia]
                                                     [Crassula bibracteata]
                                                     [Crassula macowanii]
                                                     [Sedum radicans]
                                               Crassula tetragona subsp. connivens
                                                     [Crassula connivens]
                                                     [Crassula subsessilis]
                                               Crassula tetragona subsp. lignescens
                                                     [Crassula acutifolia var. harveyi]
                                               Crassula tetragona subsp. robusta
                                                     [Crassula robusta]
                                               Crassula tetragona subsp. rudis
                                                     [Crassula rudis]
                                               Crassula tetragona subsp. tetragona
                                                     [Crassula acutifolia var. densifolia]
                                                     [Crassula densifolia]
                                                     [Sedum tetragonum]
                                             Crassula thunbergiana
                                               Crassula thunbergiana subsp. minutiflora
                                                     [Crassula minutiflora]
                                               Crassula thunbergiana subsp. thunbergiana
                                                     [Crassula debilis]
                                                     [Crassula zeyheriana]
                                                     [Purgosea debilis]
                                                     [Tillaea decumbens]
                                             Crassula tomentosa
                                               Crassula tomentosa var. glabrifolia
                                                     [Crassula eendoornensis]
                                                     [Crassula glabrifolia]
                                                     [Crassula interrupta var. glabrifolia]
                                                     [Crassula interrupta]
                                                     [Crassula scalaris]
                                                     [Crassula tomentosa var. interrupta]
                                               Crassula tomentosa var. tomentosa
                                                     [Crassula conspicua]
                                                     [Crassula linguifolia]
                                                     [Crassula setigera]
                                                     [Crassula tomentosa var. setigera]
                                                     [Purgosea conspicua]
                                                     [Purgosea linguifolia]
                                                     [Purgosea tomentosa]
                                                     [Sphaeritis setigera]
                                                     [Sphaeritis tomentosa]
                                             Crassula tuberella
                                             Crassula umbella
                                                   [Crassula flabellifolia]
                                                   [Crassula loriformis]
                                                   [Crassula weissii]
                                                   [Petrogeton umbella]
                                                   [Septas umbella]
                                             Crassula umbellata
                                                   [Bulliarda alpina]
                                                   [Crassula alpina]
                                                   [Crassula nana]
                                                   [Crassula tenuis]
                                                   [Crassula umbellata var. nana]
                                                   [Petrogeton alpinum]
                                                   [Tillaea umbellata]
                                             Crassula umbraticola
                                                   [Crassula crenatifolia]
                                             Crassula undulata
                                                   [Crassula albiflora var. minor]
                                                   [Crassula albiflora]
                                                   [Crassula dejecta]
                                                   [Crassula undata]
                                                   [Curtogyne albiflora]
                                                   [Curtogyne dejecta]
                                                   [Curtogyne undata]
                                                   [Curtogyne undosa]
                                                   [Curtogyne undulata]
                                                   [Rochea albiflora]
                                             Crassula vaginata
                                               Crassula vaginata subsp. minuta
                                               Crassula vaginata subsp. vaginata
                                                     [Crassula abyssinica var. vaginata]
                                                     [Crassula abyssinica]
                                                     [Crassula ciliata var. acutifolia]
                                                     [Crassula crassiflora]
                                                     [Crassula drakensbergensis]
                                                     [Crassula retrorsa]
                                                     [Crassula spectabilis]
                                                     [Crassula vaginata var. hispida]
                                                     [Crassula vaginata var. laxa]
                                                     [Crassula vaginata var. parviflora]
                                                     [Sedum crassiflorum]
                                                     [Sedum flavum var. lanceolatum]
                                                     [Sedum flavum var. retroflexifolium]
                                                     [Sedum flavum var. subulatum]
                                                     [Sedum vaginatum]
                                             Crassula vaillantii
                                                   [Bulliarda vaillantii var. subulata]
                                                   [Bulliarda vaillantii]
                                                   [Tillaea vaillantii]
                                             Crassula vestita
                                             Crassula werneri
                                                   [Crassula hirta var. dyeri]
                                             Crassula whiteheadii
                                     Curtogyne
                                     Dasystemon
                                     Dietrichia
                                     Dinacria
                                     Globulea
                                     Grammanthes
                                     Helophytum
                                     Hylotelephium
                                             Hylotelephium spectabile
                                                   [Sedum spectabile]
                                     Kalanchoe
                                             Kalanchoe alticola
                                             Kalanchoe beharensis
                                             Kalanchoe brachyloba
                                                   [Kalanchoe baumii]
                                                   [Kalanchoe multiflora]
                                                   [Kalanchoe praesidentis-vervoerdii]
                                                   [Kalanchoe pruinosa]
                                                   [Kalanchoe pyramidalis]
                                             Kalanchoe crenata
                                                   [Kalanchoe brittenii]
                                                   [Kalanchoe crenata subsp. bieensis]
                                                   [Kalanchoe crenata subsp. crenata]
                                                   [Kalanchoe crenata subsp. nyassensis]
                                                   [Kalanchoe crenata var. coccinea]
                                                   [Kalanchoe crenata var. crenata]
                                                   [Kalanchoe crenata var. verea]
                                                   [Kalanchoe hirta]
                                                   [Kalanchoe integra var. crenata]
                                                   [Kalanchoe integra var. verea]
                                                   [Verea crenata]
                                             Kalanchoe crouchii
                                             Kalanchoe crundallii
                                             Kalanchoe delagoensis
                                             Kalanchoe eriophylla
                                             Kalanchoe fedtschenkoi
                                             Kalanchoe humilis
                                             Kalanchoe integra
                                             Kalanchoe laciniata
                                                   [Cotyledon laciniata]
                                                   [Kalanchoe schweinfurthii]
                                                   [Verea laciniata]
                                             Kalanchoe lanceolata
                                                   [Cotyledon lanceolata]
                                                   [Kalanchoe glandulosa var. benguelensis]
                                                   [Kalanchoe glandulosa var. tomentosa]
                                                   [Kalanchoe glandulosa]
                                                   [Kalanchoe gregaria]
                                                   [Kalanchoe junodii]
                                                   [Kalanchoe pentheri]
                                             Kalanchoe lateritia
                                                   [Kalanchoe zimbabwensis]
                                             Kalanchoe latisepala
                                             Kalanchoe laxiflora
                                             Kalanchoe leblanciae
                                             Kalanchoe longiflora
                                             Kalanchoe luciae
                                               Kalanchoe luciae subsp. luciae
                                                     [Kalanchoe albiflora]
                                                     [Kalanchoe aleurodes]
                                               Kalanchoe luciae subsp. montana
                                                     [Kalanchoe montana]
                                             Kalanchoe neglecta
                                                   [Kalanchoe rotundifolia f. peltata]
                                             Kalanchoe paniculata
                                                   [Kalanchoe oblongiflora]
                                             Kalanchoe pinnata
                                                   [Bryophyllum calycinum]
                                             Kalanchoe prolifera
                                                   [Bryophyllum proliferum]
                                             Kalanchoe rotundifolia
                                                   [Crassula rotundifolia]
                                                   [Kalanchoe decumbens]
                                                   [Kalanchoe guillauminii]
                                                   [Kalanchoe luebbertiana]
                                                   [Kalanchoe rotundifolia f. tripartita]
                                                   [Verea rotundifolia]
                                             Kalanchoe sexangularis
                                               Kalanchoe sexangularis var. sexangularis
                                                     [Kalanchoe longiflora var. coccinea]
                                                     [Kalanchoe mossambicana]
                                                     [Kalanchoe rogersii]
                                                     [Kalanchoe rubinea]
                                                     [Kalanchoe vatrinii]
                                             Kalanchoe thyrsiflora
                                             Kalanchoe tomentosa
                                             Kalanchoe velutina
                                             Kalanchoe waldheimii
                                             Kalanchoe waterbergensis
                                             Kalanchoe welwitschii
                                             Kalanchoe winteri
                                     Kalosanthes
                                     Larochea
                                     Pagella
                                     Petrogeton
                                     Phedimus
                                             Phedimus aizoon
                                                   [Sedum aizoon]
                                     Purgosea
                                     Rhopalota
                                     Rochea
                                     Sarcolipes
                                     Sedum
                                     Septas
                                     Sphaeritis
                                     Tetraphyle
                                     Tillaea
                                     Toelkenia
                                     Tylecodon
                                             Tylecodon albiflorus
                                             Tylecodon aridimontanus
                                             Tylecodon atropurpureus
                                             Tylecodon aurusbergensis
                                             Tylecodon bayeri
                                             Tylecodon bleckiae
                                             Tylecodon boddleyi
                                             Tylecodon bruynsii
                                             Tylecodon buchholzianus
                                               Tylecodon buchholzianus subsp. buchholzianus
                                                     [Cotyledon buchholziana]
                                               Tylecodon buchholzianus subsp. fasciculatus
                                             Tylecodon cacalioides
                                                   [Cotyledon cacalioides]
                                                   [Cotyledon fergusoniae]
                                             Tylecodon celatus
                                             Tylecodon cordiformis
                                             Tylecodon decipiens
                                             Tylecodon ellaphieae
                                                   [Tylecodon cremnophilus]
                                             Tylecodon faucium
                                                   [Cotyledon faucium]
                                             Tylecodon florentii
                                             Tylecodon fragilis
                                                   [Cotyledon fragilis]
                                             Tylecodon grandiflorus
                                                   [Cotyledon curviflora]
                                                   [Cotyledon grandiflora]
                                                   [Cotyledon tuberculosa]
                                             Tylecodon hallii
                                                   [Cotyledon hallii]
                                                   [Cotyledon racemosa]
                                             Tylecodon hirtifolius
                                                   [Cotyledon hirtifolia]
                                             Tylecodon kritzingeri
                                             Tylecodon leucothrix
                                                   [Adromischus leucothrix]
                                                   [Cotyledon leucothrix]
                                                   [Cotyledon swartbergensis]
                                             Tylecodon longipes
                                             Tylecodon mallei
                                             Tylecodon nigricaulis
                                             Tylecodon nolteei
                                             Tylecodon occultans
                                                   [Cotyledon occultans]
                                             Tylecodon opelii
                                             Tylecodon paniculatus
                                                   [Cotyledon fascicularis]
                                                   [Cotyledon mollis]
                                                   [Cotyledon paniculata]
                                                   [Cotyledon tardiflora]
                                             Tylecodon pearsonii
                                                   [Cotyledon luteosquamata]
                                                   [Cotyledon pearsonii]
                                             Tylecodon peculiaris
                                             Tylecodon petrophilus
                                             Tylecodon pusillus
                                             Tylecodon pygmaeus
                                                   [Cotyledon pygmaea]
                                             Tylecodon racemosus
                                                   [Cotyledon chloroleuca]
                                             Tylecodon reticulatus
                                               Tylecodon reticulatus subsp. phyllopodium
                                               Tylecodon reticulatus subsp. reticulatus
                                                     [Cotyledon dichotoma]
                                                     [Cotyledon parvula]
                                                     [Cotyledon reticulata]
                                             Tylecodon rubrovenosus
                                                   [Cotyledon rubrovenosa]
                                             Tylecodon schaeferianus
                                                   [Adromischus hoerleinianus var. schaeferi]
                                                   [Adromischus hoerleinianus]
                                                   [Adromischus keilhackii]
                                                   [Adromischus schaeferianus var. keilhackii]
                                                   [Adromischus schaeferianus]
                                                   [Cotyledon hoerleiniana var. schaeferi]
                                                   [Cotyledon hoerleiniana]
                                                   [Cotyledon schaeferi]
                                                   [Cotyledon schaeferiana]
                                                   [Cotyledon sinus-alexandri]
                                             Tylecodon similis
                                                   [Cotyledon similis]
                                             Tylecodon singularis
                                                   [Cotyledon singularis]
                                             Tylecodon stenocaulis
                                             Tylecodon striatus
                                                   [Cotyledon striata]
                                             Tylecodon suffultus
                                             Tylecodon sulphureus
                                               Tylecodon sulphureus var. armianus
                                               Tylecodon sulphureus var. sulphureus
                                                     [Cotyledon sulphurea]
                                             Tylecodon tenuis
                                                   [Cotyledon pygmaea var. tenuis]
                                                   [Tylecodon pygmaeus var. tenuis]
                                                   [Tylecodon scandens]
                                             Tylecodon torulosus
                                             Tylecodon tribblei
                                             Tylecodon tuberosus
                                             Tylecodon ventricosus
                                                   [Cotyledon ventricosa var. alpina]
                                                   [Cotyledon ventricosa]
                                                   [Tylecodon jarmilae]
                                             Tylecodon viridiflorus
                                                   [Cotyledon viridiflora]
                                             Tylecodon wallichii
                                               Tylecodon wallichii subsp. ecklonianus
                                                     [Cotyledon dinteri]
                                                     [Cotyledon eckloniana]
                                               Tylecodon wallichii subsp. wallichii
                                                     [Cotyledon wallichii]
                                     Umbilicus
                                             Umbilicus botryoides
                                     Vauanthes
                                     Verea