| Crassula abyssinica A.Rich. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acinaciformis Schinz | Accepted |  | WCSP (in review) |  | 
	
		| Crassula acuminata E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acutifolia Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acutifolia (Kirk) A.P.Druce & Given [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acutifolia var. debsifolia (Harv.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acutifolia var. densifolia Schönland | Synonym |  | TRO |  | 
	
		| Crassula acutifolia var. harveyi Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula acutifolia var. radicans Harv. | Synonym |  | TRO |  | 
	
		| Crassula adscendens Thunb. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula × affinis (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula agardhiana Schult. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula aitonii Britten & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula alata (Viv.) A.Berger | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alata subsp. pharnaceoides (Fisch. & C.A.Mey.) Wickens & M.Bywater | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alba Forssk. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alba var. alba | Synonym |  | TRO |  | 
	
		| Crassula alba var. parvisepala (Schönland) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula albanensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula albertinae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula albicaulis Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula albiflora Sims | Synonym |  | WCSP (in review) |  | 
	
		| Crassula albiflora var. minor Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula alcicornis Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula aliciae Raym.-Hamet | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula aloides N.E.Br. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula alooides Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula alpestris L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alpestris subsp. alpestris | Synonym |  | TRO |  | 
	
		| Crassula alpestris subsp. massonii (Britton & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alpina (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula alsinoides (Hook.f.) Engl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alstonii Marloth | Accepted |  | WCSP (in review) |  | 
	
		| Crassula alternifolia L. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula alticola R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula amatolica Schönland | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula ammophila Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula andegavensis DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × andegavensis Boom [Illegitimate] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula andicola (Phil.) F.Meigen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula androsace Sparre ex Rossow | Synonym |  | WCSP (in review) |  | 
	
		| Crassula anguina Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ankaratrensis Desc. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula anomala Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula anthurus E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula aphylla Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula aquatica (L.) Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula arborea Medik. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula arborescens (Mill.) Willd. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula arborescens subsp. arborescens | Synonym |  | TRO |  | 
	
		| Crassula archeri Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula arenicola Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula argentea Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula argyrophylla Diels ex Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula argyrophylla var. ramosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula argyrophylla var. swaziensis (Schönland) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula aristata Schönland | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula arta Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula articulata Zuccagni | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ascendens Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea (Haw.) D.Dietr. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. anomala (Schönl. & Bak.f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. atropurpurea | Synonym |  | TRO |  | 
	
		| Crassula atropurpurea var. cultriformis (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. muirii (Schönl.) G.D.Rowley | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. purcellii (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. rubella (Compton) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula atropurpurea var. watermeyeri (Compton) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula atrosanguinea Beauverd | Synonym |  | WCSP (in review) |  | 
	
		| Crassula aurosensis Dinter [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula aurusbergensis G.Will. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula ausensis Hutchison | Accepted |  | WCSP (in review) |  | 
	
		| Crassula ausensis subsp. ausensis | Synonym |  | TRO |  | 
	
		| Crassula ausensis subsp. giessii (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula avasimontana Dinter | Synonym |  | WCSP (in review) |  | 
	
		| Crassula badspoortensis van Jaarsv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula bakeri Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula barbata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula barbata subsp. barbata | Synonym |  | TRO |  | 
	
		| Crassula barbata subsp. broomii (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula barklyana Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula barklyi N.E.Br. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula bartlettii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula basaltica Brullo & Siracusa | Accepted |  | WCSP (in review) |  | 
	
		| Crassula basutica Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bergioides Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula bevilanensis Desc. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula bibracteata Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bibracteata Eckl. & Zeyh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula biconvexa Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula biplanata Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula bloubergensis R.A.Dyer | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bolusii Hook.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bolusii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bolusii Hook. | Synonym |  | TRO |  | 
	
		| Crassula bonariensis Cambess. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula brachypetala E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula brachyphylla Adamson | Synonym |  | WCSP (in review) |  | 
	
		| Crassula brachystachya Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula brevifolia Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula brevifolia (Eckl. & Zeyh.) Schönland [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula brevifolia subsp. brevifolia | Synonym |  | TRO |  | 
	
		| Crassula brevistyla Baker f. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula broomii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula browniana Burtt Davy | Synonym |  | WCSP (in review) |  | 
	
		| Crassula bullata Haw. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula bullulata Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula burmanniana (Eckl. & Zeyh.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula burmanniana var. minor Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula caerulata J.F.Gmel. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula caffra L. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula caffraria Hunnem. ex Link & Otto | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × calycina Desf. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula campestris (Eckl. & Zeyh.) Endl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula campestris Harv. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula campestris subsp. campestris | Synonym |  | TRO |  | 
	
		| Crassula campestris f. compacta Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula campestris f. laxa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula campestris subsp. pharnaceoides (Fisch. & C.A.Mey.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula campestris subsp. rhodesica (Merxm.) R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula canescens (Haw.) Sweet | Synonym |  | WCSP (in review) |  | 
	
		| Crassula canescens Schult. | Synonym |  | TRO |  | 
	
		| Crassula canescens var. latifolia Harv. | Synonym |  | TRO |  | 
	
		| Crassula capensis (L.) Baill. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capensis var. albertiniae (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capensis var. capensis | Synonym |  | TRO |  | 
	
		| Crassula capensis var. promontorii (Schönl. & Bak.f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capillacea E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitata Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitata Dum.Cours. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitella Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capitella subsp. capitella | Synonym |  | TRO |  | 
	
		| Crassula capitella subsp. enantiophylla (Baker f.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitella subsp. meyeri (Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capitella subsp. nodulosa (Schönland) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitella subsp. sessilicymula (Moggr.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitella subsp. thyrsiflora (Thunb.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula capitellata DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula capitellata E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cathcartensis Kuntze ex Schönl. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula caudiculata Bacigalupo & Rossow | Synonym |  | WCSP (in review) |  | 
	
		| Crassula centauroides L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula centauroides sensu Thunb., non L. | Synonym |  | TRO |  | 
	
		| Crassula cephalophora Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cephalophora var. basutica Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cephalophora var. dubia (Schönland) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cephalophora var. tayloriae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cespitosa Cav. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula chlorifolia (DC.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × christyi (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula ciliata L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cinerea Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula clavata N.E.Br. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula clavifolia E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula clavifolia var. marginata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula clavifolia var. muirii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula clavifolia var. rosularis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula closiana (Gay) Reiche | Accepted |  | WCSP (in review) |  | 
	
		| Crassula coccinea L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula coerulescens Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cogmansensis (Kuntze) K.Schum. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula coleae Baker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula colligata Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula colorata (Nees) Ostenf. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula colorata var. acuminata (Reader) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula colorata var. tuberculata Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula columella Marloth & Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula columella Marloth & Schonl. | Unresolved |  | TRO |  | 
	
		| Crassula columnaris L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula columnaris sensu Jacobsen, Friedr., non Thunb. | Synonym |  | TRO |  | 
	
		| Crassula columnaris subsp. columnaris | Synonym |  | TRO |  | 
	
		| Crassula columnaris subsp. prolifera Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula commutata Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula compacta Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula comptonii Hutch. & Pillans | Synonym |  | WCSP (in review) |  | 
	
		| Crassula concinna Haw. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula concinnella Haw. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula confusa Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula congesta N.E.Br. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula congesta subsp. congesta | Synonym |  | TRO |  | 
	
		| Crassula congesta subsp. laticephala (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula conjuncta N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula connata Donn [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula connata (Ruiz & Pav.) A.Berger | Accepted |  | WCSP (in review) |  | 
	
		| Crassula connata var. connata | Synonym |  | TRO |  | 
	
		| Crassula connata var. eremica (Jeps.) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula connata var. muscoides M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula connata var. subsimplex (S.Watson) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula connivens Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula conspicua Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cooperi Regel | Accepted |  | WCSP (in review) |  | 
	
		| Crassula corallina L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula corallina subsp. corallina | Synonym |  | TRO |  | 
	
		| Crassula corallina subsp. macrorrhiza Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cordata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cordata Lodd. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cordifolia Baker | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cornuta Schönland & Baker f. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula coronata Heynh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula corpusculariopsis Boom [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula corymbosula Link & Otto | Synonym |  | TRO |  | 
	
		| Crassula corymbulosa Link | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cotyledon Jacq. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cotyledon Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cotyledonifolia Salisb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cotyledonis Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula crassiflora (Kuntze) K.Schum. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cremnophila van Jaarsv. & A.E.van Wyk | Accepted |  | WCSP (in review) |  | 
	
		| Crassula crenata Desf. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula crenatifolia Baker f. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula crenulata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cultrata L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cultrata var. ramosissima Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cultriformis Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cultriformis subsp. robusta Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula curta N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula curta var. rubra N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cyclophylla Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cylindrica Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula cymbiformis Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cymosa P.J.Bergius | Accepted |  | WCSP (in review) |  | 
	
		| Crassula cymosa Berg. | Unresolved |  | TRO |  | 
	
		| Crassula dasyphylla Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula debilis Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula debilis (Hook.f.) A.P.Druce & Given [Illegitimate] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula deceptor Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula deceptrix Schönland | Synonym |  | TRO |  | 
	
		| Crassula decidua Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula decipiens N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula decumbens Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula decumbens Eckl. & Zeyh. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula decumbens var. brachyphylla (Adamson) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula decumbens var. decumbens | Synonym |  | TRO |  | 
	
		| Crassula decussata Salisb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula decussata Spreng. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula decussata DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dejecta Jacq. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula deltoidea Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula deltoidea Harv. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula deminuta Diels | Synonym |  | WCSP (in review) |  | 
	
		| Crassula densa N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula densifolia Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dentata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula dentata var. minor Harv. | Synonym |  | TRO |  | 
	
		| Crassula dependens Bolus | Accepted |  | WCSP (in review) |  | 
	
		| Crassula depressa (Eckl. & Zeyh.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula dewinteri Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dewinteri Friedr. | Synonym |  | TRO |  | 
	
		| Crassula diabolica N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula diaphana E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dichotoma L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula dichotoma L.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dielsii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula diffusa Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula diffusa Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula diffusa (Kirk) Cockayne [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula diffusa (Kirk) Berger | Accepted |  | TRO |  | 
	
		| Crassula dinteri Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula divaricata Eckl. & Zeyh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dodii Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula drakensbergensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dregeana Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula dregei (Harv.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula drummondii (Torr. & A.Gray) Fedde | Accepted |  | WCSP (in review) |  | 
	
		| Crassula dubia Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ecklonii D.Dietr. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula eendomensis Dinter [Invalid] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula elata N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula elatinoides (Eckl. & Zeyh.) Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula elatinoides Friedr. | Unresolved |  | TRO |  | 
	
		| Crassula elegans Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula elegans subsp. elegans | Synonym |  | TRO |  | 
	
		| Crassula elegans subsp. namibensis (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula ellenbeckiana Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula elongata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula elsieae Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula enantiophylla Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula engleri Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula erecta (Hook. & Arn.) A.Berger | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ericoides Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula ericoides subsp. ericoides | Synonym |  | TRO |  | 
	
		| Crassula ericoides subsp. tortuosa Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula ericoides subsp. tortuosa Toelken as "torulosa" in Fsa 14 | Synonym |  | TRO |  | 
	
		| Crassula ernestii Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula erosula N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula erosula N. E. Br. p.p. | Synonym |  | TRO |  | 
	
		| Crassula erubeacens Bullock | Synonym |  | WCSP (in review) |  | 
	
		| Crassula exilis Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula exilis subsp. cooperi (Regel) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula exilis subsp. exilis | Synonym |  | TRO |  | 
	
		| Crassula exilis subsp. picturata (Boom) G.D.Rowley | Accepted |  | WCSP (in review) |  | 
	
		| Crassula exilis subsp. schmidtii (Regel) G.D.Rowley | Accepted |  | WCSP (in review) |  | 
	
		| Crassula exilis subsp. sedifolia (N.E.Br.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula expansa Aiton | Accepted |  | WCSP (in review) |  | 
	
		| Crassula expansa subsp. expansa | Synonym |  | TRO |  | 
	
		| Crassula expansa subsp. filicaulis (Haw.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula expansa subsp. fragilis (Baker) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula expansa subsp. peculiaris Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula expansa subsp. pyrifolia (Compton) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula exserta (Reader) Ostenf. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula extrorsa Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula falcata J.C.Wendl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula falcata Dum.Cours. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fallax Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula fallax Friedr. X C. Scabra L. | Unresolved |  | TRO |  | 
	
		| Crassula falx Linding. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fascicularis Lam. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula fastigiata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fergusoniae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula filamentosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula filicaulis Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula filiformis (Eckl. & Zeyh.) D.Dietr. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula filiformis ex D. Dietr. | Unresolved |  | TRO |  | 
	
		| Crassula flabellifolia Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula flanaganii Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula flava L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula flavovirens Pillans | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × flexa (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula foveata van Jaarsv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula fragarioides van Jaarsv. & Helme | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula fragilis Baker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fragilis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fragilis var. suborbicularis R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fruticosa Mill. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula fruticulosa L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fruticulosa sensu Harv., non L. | Synonym |  | TRO |  | 
	
		| Crassula furcata (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula fusca Herre | Accepted |  | WCSP (in review) |  | 
	
		| Crassula galpinii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula galunkensis Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × garciae (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula garibina Marloth & Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula garibina subsp. garibina | Synonym |  | TRO |  | 
	
		| Crassula gemmifera Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula gemmifera Friedr. | Unresolved |  | TRO |  | 
	
		| Crassula gentianoides Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula giessii Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula gifbergensis Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula gillii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula glabra Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula glabrifolia Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula glauca Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula globiflora (Sims) Spreng. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula globosa N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula globularioides Britten | Accepted |  | WCSP (in review) |  | 
	
		| Crassula globularioides subsp. argyrophylla (Diels ex Schönland & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula globularioides subsp. illichiana (Engl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula globulifolia Steud. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula glomerata P.J.Bergius | Accepted |  | WCSP (in review) |  | 
	
		| Crassula glomerata Berg. | Unresolved |  | TRO |  | 
	
		| Crassula goetzeana Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × graeseri Boom | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula grammanthoides (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula granvikii Mildbr. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula griquaensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula grisea Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula grisea var. bakeri (Schönland) G.D.Rowley | Synonym |  | WCSP (in review) |  | 
	
		| Crassula guchabensis Merxm. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula guilelmi-trollii Stopp | Synonym |  | WCSP (in review) |  | 
	
		| Crassula guilemitrollii Stopp | Unresolved |  | TRO |  | 
	
		| Crassula harveyi Britten & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula harveyi Britt. & Bak. f. | Synonym |  | TRO |  | 
	
		| Crassula harveyi var. dependens Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula harveyi var. intermedia Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hedbergii Wickens & M.Bywater | Accepted |  | WCSP (in review) |  | 
	
		| Crassula helmsii (Kirk) Cockayne | Accepted |  | WCSP (in review) |  | 
	
		| Crassula helmsii (Kirk) Berger | Synonym |  | TRO |  | 
	
		| Crassula hemisphaerica Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula hemisphaerica var. foliosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hemisphaerica var. recurva Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula herrei Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula heterotricha Schinz | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hirsuta Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula hirta Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hirta var. dyeri Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hirtipes Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula hispida (Haw.) D.Dietr. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula hispida Schönland & Baker f. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hispida ex D. Dietr. | Synonym |  | TRO |  | 
	
		| Crassula hofmeyeriana Dinter | Unresolved |  | TRO |  | 
	
		| Crassula hottentotta Marloth & Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hottentotta Marloth & Schonl. | Synonym |  | TRO |  | 
	
		| Crassula humbertii Desc. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula humilis N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula hunua A.P.Druce | Accepted |  | WCSP (in review) |  | 
	
		| Crassula × hybrida (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula hystrix Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ihlenfeldtii Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula illichiana Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula imbricata Burm.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula imbricata Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula impressa (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula impressa N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula inaequalis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula inamoena N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula inandensis Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula inanis Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula incana (Eckl. & Zeyh.) Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula inchangensis Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula indica Decne. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula intermedia Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula interrupta E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula interrupta var. glabrifolia (Harv.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula intricata (Nees) Ostenf. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula intricata (Nees) Ostenfeld | Accepted |  | TRO |  | 
	
		| Crassula involucrata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula involucrata sensu Schonl., Batten & Bokelmann, Jacot-Guill., non Dryand | Synonym |  | TRO |  | 
	
		| Crassula jacobseniana Poelln. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula jasminea Ker Gawl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula jasminiflora Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula johannis-winkleri Linding. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × justi-corderoyi Jacobsen & Poelln. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula × justus Cordem. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula karasana Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula karasana Friedr. | Synonym |  | TRO |  | 
	
		| Crassula kirkii (Allan) A.P.Druce & Given | Accepted |  | WCSP (in review) |  | 
	
		| Crassula klinghardtensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula kuhnii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lactea Aiton | Accepted |  | WCSP (in review) |  | 
	
		| Crassula lactea Soland. | Unresolved |  | TRO |  | 
	
		| Crassula lambertiana Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lanceolata (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lanceolata subsp. denticulata (Brenan) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lanceolata subsp. lanceolata | Unresolved |  | TRO |  | 
	
		| Crassula lanceolata subsp. transvaalensis (Kuntze) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula langebergensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × langleyensis (Veitch) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula lanuginosa Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula lanuginosa var. lanuginosa | Synonym |  | TRO |  | 
	
		| Crassula lanuginosa var. pachystemon (Schönl. & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula lasiantha E.Mey. ex Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula lasiantha Drege Ex Harv. | Unresolved |  | TRO |  | 
	
		| Crassula latibracteata Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula laticephala Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula latispathulata Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula laxa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula leachii R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula leipoldtii Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lettyae E.Phillips | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lettyae Phillips | Synonym |  | TRO |  | 
	
		| Crassula leucantha Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula levynsiae Adamson | Synonym |  | WCSP (in review) |  | 
	
		| Crassula liebuschiana Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lignosa Burtt Davy | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ligulifolia Haw. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula limosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lineolata Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lineolata Dryand. | Synonym |  | TRO |  | 
	
		| Crassula lineolata f. gracilis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lineolata f. magna Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lineolata f. natalensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lineolata var. petiolata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula linguifolia Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lingula (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula littlewoodii Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula littoralis (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula loganiana Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula longipes (Rose) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula longistyla Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula loriformis Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lucens Gram [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula lucida Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula luederitzii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lutea (Schönl.) Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycioides E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides f. acuminata H.Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides f. fragilis H.Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides f. fulva H.Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides var. polypodacea Harv. | Synonym |  | TRO |  | 
	
		| Crassula lycopodioides f. purpusii H.Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula lycopodioides var. variegata E.Lamb | Synonym |  | WCSP (in review) |  | 
	
		| Crassula macbridei Steyerm. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula macowaniana Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula macowanii Scott-Elliot [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula macrantha (Hook.f.) Diels & E.Pritz. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula macrantha var. nuda Ostenf. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula maculata Schönland [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula magellanica (Willd. ex Schult.) Macloskie | Synonym |  | WCSP (in review) |  | 
	
		| Crassula magnolii DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula malladrae Chiov. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula manaia A.P.Druce & Sykes | Accepted |  | WCSP (in review) |  | 
	
		| Crassula mannii Hook.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula maputensis R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula × marchandii Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula margaritifera (Eckl. & Zeyh.) Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula marginalis Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula marginata Thunb. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula mariae Raym.-Hamet [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula maritima Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula marlothii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula marnieriana Huber & Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula massonii Britten & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula massonioides Diels | Synonym |  | WCSP (in review) |  | 
	
		| Crassula mataikona A.P.Druce | Accepted |  | WCSP (in review) |  | 
	
		| Crassula media (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula merxmuelleri Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula merxmuelleri Friedr. | Synonym |  | TRO |  | 
	
		| Crassula mesembrianthemoides ex D. Dietr. | Unresolved |  | TRO |  | 
	
		| Crassula mesembrianthemopsis Dinter | Accepted |  | WCSP (in review) |  | 
	
		| Crassula mesembrianthoides Schönland & Baker f. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula mesembryanthemoides (Haw.) D.Dietr. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula mesembryanthoides subsp. hispida (Haw.) Toelken | Synonym |  | TRO |  | 
	
		| Crassula meyeri Harv. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula micans Vahl ex Baill. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula micrantha Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula microcarpa Sm. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula milfordiae Byles | Synonym |  | WCSP (in review) |  | 
	
		| Crassula milleriana Burtt Davy | Synonym |  | WCSP (in review) |  | 
	
		| Crassula minima Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula minima Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula minima (Miers ex Hook. & Arn.) Reiche [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula minuta Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula minutiflora Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula minutissima (Skottsb.) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula miriamae Ostenf. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula mitrata Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × mixta (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula mollis Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula mongolica Franch. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula montana L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula montana subsp. montana | Synonym |  | TRO |  | 
	
		| Crassula montana subsp. quadrangularis (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula monticola N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula montis-draconis Dinter | Synonym |  | WCSP (in review) |  | 
	
		| Crassula montis-moltkei Dinter | Synonym |  | WCSP (in review) |  | 
	
		| Crassula morrumbalensis R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula moschata G.Forst. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula mossii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula mucronata Zahlbr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula multicaulis (Petrie) A.P.Druce & Given | Accepted |  | WCSP (in review) |  | 
	
		| Crassula multicava Lem. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula multicava subsp. multicava | Synonym |  | TRO |  | 
	
		| Crassula multiceps Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula multiflora Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula multiflora subsp. leucantha (Schönl. & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula multiflora subsp. multiflora | Synonym |  | TRO |  | 
	
		| Crassula muricata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula muscosa L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula muscosa (L.) Roth [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula muscosa var. muscosa | Synonym |  | TRO |  | 
	
		| Crassula muscosa var. parvula (Eckl. & Zeyh.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula muscosa var. polpodacea Rowley | Accepted |  | TRO |  | 
	
		| Crassula muscosa var. rigida Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula muscosa var. sinuata Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nakurensis Engl. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula namaquensis Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula namaquensis subsp. comptonii (Hutch. & Pillans) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula namaquensis var. lutea Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula namaquensis subsp. lutea (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula namaquensis subsp. namaquensis | Synonym |  | TRO |  | 
	
		| Crassula namibensis Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula nana Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula natalensis Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula natans Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula natans var. filiformis (Eckl. & Zeyh.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula natans subsp. filiformis (Eckl. & Zeyh.) Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula natans f. filiformis (Eckl. & Zeyh.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula natans var. minus (Eckl. & Zeyh.) G.D.Rowley | Accepted |  | WCSP (in review) |  | 
	
		| Crassula natans var. minus Rowley | Unresolved |  | TRO |  | 
	
		| Crassula natans var. natans | Synonym |  | TRO |  | 
	
		| Crassula natans subsp. natans | Synonym |  | TRO |  | 
	
		| Crassula nealeana Higgins | Synonym |  | WCSP (in review) |  | 
	
		| Crassula neglecta Schult. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula nemorosa (Eckl. & Zeyh.) Endl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nemorosa Endl. ex Walp. | Unresolved |  | TRO |  | 
	
		| Crassula nitida Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula nivalis (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula nodulosa Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nodulosa var. nodulosa | Synonym |  | TRO |  | 
	
		| Crassula nuda Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula nudicaulis L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nudicaulis var. herrei (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nudicaulis var. nudicaulis | Synonym |  | TRO |  | 
	
		| Crassula nudicaulis var. platyphylla (Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula numaisensis Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nummulariifolia Baker | Accepted |  | WCSP (in review) |  | 
	
		| Crassula nyikensis Baker | Accepted |  | WCSP (in review) |  | 
	
		| Crassula obfalcata Willd. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula oblanceolata Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula obliqua Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula obliqua Haw. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula obovata Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula obovata var. dregeana (Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula obovata var. obovata | Synonym |  | TRO |  | 
	
		| Crassula obtusa Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula obvallaris DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula obvallata L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula odoratissima Andrews | Synonym |  | WCSP (in review) |  | 
	
		| Crassula orbicularis L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula orbicularis var. rosularis (Haw.) G.D.Rowley | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ovallei (Phil.) Reiche | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ovata E.Mey. ex Harv. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ovata (Mill.) Druce | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pachyphylla Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pachystemon Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pageae Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pallens Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pallida Baker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula paludosa Reiche | Synonym |  | WCSP (in review) |  | 
	
		| Crassula paniculata (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula papillosa Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula parviflora E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula parvifolia E.A.Bruce | Synonym |  | WCSP (in review) |  | 
	
		| Crassula parvipetala Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula parvisepala Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula parvula (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula patens (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula patersoniae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pearsonii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pectinata Conrath | Synonym |  | WCSP (in review) |  | 
	
		| Crassula peculiaris (Toelken) Toelken & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pedicellosa (F.Muell.) Ostenf. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula peduncularis (Sm.) F.Meigen | Accepted |  | WCSP (in review) |  | 
	
		| Crassula peglerae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pellucida L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pellucida Jacq. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pellucida subsp. alsinoides (Hook.f.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pellucida subsp. brachypetala (Drège ex Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pellucida subsp. marginalis (Sol. ex Aiton) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pellucida subsp. pellucida | Synonym |  | TRO |  | 
	
		| Crassula pentandra (Royle ex Edgew.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pentandra subsp. catalaunica Vigo & Terradas | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pentandra var. denticulata Brenan | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pentandra var. phyturus (Mildbr.) Hedberg | Synonym |  | WCSP (in review) |  | 
	
		| Crassula peploides Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula perfilata Scop. | Synonym |  | TRO |  | 
	
		| Crassula perfoliata L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula perfoliata var. albiflora Harv. | Synonym |  | TRO |  | 
	
		| Crassula perfoliata var. falcata (J.C.Wendl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula perfoliata var. heterotricha (Schinz) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula perfoliata var. miniata Toelken | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula perfoliata var. minor (Haw.) G.D.Rowley | Synonym |  | WCSP (in review) |  | 
	
		| Crassula perfoliata var. perfoliata | Synonym |  | TRO |  | 
	
		| Crassula perforata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula perforata E.Mey. ex Harv. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula perfossa Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula perfossa E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula perfossa sensu Harv., Marloth, non Lam. | Synonym |  | TRO |  | 
	
		| Crassula petraea Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula petrogeton Walp. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pharnaceoides Fisch. & C.A.Mey. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pharnaceoides subsp. eupharnaceoides Merxm. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pharnaceoides subsp. rhodesica Merxm. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula phascoides (Griseb.) M.Bywater | Accepted |  | WCSP (in review) |  | 
	
		| Crassula phyturus Mildbr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula picturata Boom | Synonym |  | WCSP (in review) |  | 
	
		| Crassula picturata sensu Friedr. non Boom | Synonym |  | TRO |  | 
	
		| Crassula pinnata (Lam.) L.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pinnata Lour. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula planifolia Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula platyphylla Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula platyphylla sensu Schonl., Jacot-Guill., non Harv. | Synonym |  | TRO |  | 
	
		| Crassula plegmatoides Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula polpodacea (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula portulacaria L. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula portulacastrum Harv. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula portulacea Lam. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pringlei (Rose) Fedde | Accepted |  | TRO |  | 
	
		| Crassula profusa Hook.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula promontorii Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula propinqua (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula prostrata Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula prostrata E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pruinosa L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pseudhemisphaerica Friedrich | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pseudohemisphaerica Friedr. | Accepted |  | TRO |  | 
	
		| Crassula pseudolycopodioides Dinter & Schinz | Synonym |  | WCSP (in review) |  | 
	
		| Crassula puberula R.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pubescens Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pubescens subsp. pubescens | Synonym |  | TRO |  | 
	
		| Crassula pubescens subsp. radicans (Haw.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pubescens subsp. rattrayi (Schönl. & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pulchella Aiton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × pulverulenta Boom | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula punctata L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula punctata Mill. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula punctulata Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula purcellii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula purchellii Schönl. | Synonym |  | TRO |  | 
	
		| Crassula purpurata (Hook.f.) Domin | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pusilla Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pusilla (Kirk) A.P.Druce & Given [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula pustulata Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pustulata Toelken X C. dejecta Jacq. | Unresolved |  | TRO |  | 
	
		| Crassula × putativa (P.V.Heath) G.D.Rowley | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula pyramidalis Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula pyrifolia Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula qoatlhambensis Hargr. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula quadrangula (Eckl. & Zeyh.) Endl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula quadrangularis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula quadrifida Baker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula quadrifida Baker f. | Synonym |  | TRO |  | 
	
		| Crassula radicans (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula radicans (Phil.) Reiche [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula radicans Harv. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula radicans ex D. Dietr. | Synonym |  | TRO |  | 
	
		| Crassula radicans var. fastigiata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula radicans var. philipsii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramosa Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramosa sensu Eckl. & Zeyh., Harv., non Thunb. | Synonym |  | TRO |  | 
	
		| Crassula ramuliflora Link | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. bewsii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. bolusii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. flanaganii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. rattraiyi Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. simii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. stachyera (Eckl. & Zeyh.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula ramuliflora var. transvaalensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rattrayi Diels ex Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rauhii Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula recurva N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula recurva (Hook.f.) Ostenf. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rehmannii Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula remota Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula retroflexa Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula retroflexa Meerb. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula retroflexa W.T.Aiton [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula retrorsa Hutch. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula reversisetosa Bitter | Synonym |  | WCSP (in review) |  | 
	
		| Crassula revolvens Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rhodesica (Merxm.) Wickens & M.Bywater | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rhodogyna Friedr. | Synonym |  | TRO |  | 
	
		| Crassula rhomboidea N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rivularis (Peter) Hutch. & E.A.Bruce | Synonym |  | WCSP (in review) |  | 
	
		| Crassula robusta Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rodogyna Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rogersii Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula roggeveldii Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rosularis Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rotundifolia Haw. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula ruamahanga A.P.Druce | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rubella Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubens (L.) L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubescens Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubescens Schonl. & Bak. | Synonym |  | TRO |  | 
	
		| Crassula rubescens var. intermedia Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubescens var. laxa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. flexuosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. hispida Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. lydenburgensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. milleriana (Burtt Davy) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. parvisepala Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. similis (Baker f.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubicunda var. subglabra Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rubricaulis Eckl. & Zeyh. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rubricaulis var. muirii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rudis Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rudolfii Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rufopunctata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula rupestris L.f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rupestris subsp. commutata (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rupestris subsp. marnieriana (Huber & Jacobsen) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula rupestris subsp. rupestris | Synonym |  | TRO |  | 
	
		| Crassula rustii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula saginoides (Maxim.) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sarcocaulis Eckl. & Zeyh. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sarcocaulis subsp. rupicola Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sarcocaulis subsp. sarcocaulis | Synonym |  | TRO |  | 
	
		| Crassula sarcocaulis var. scaberula Harv. | Synonym |  | TRO |  | 
	
		| Crassula sarcolipes Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sarmentosa Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sarmentosa var. sarmentosa | Synonym |  | TRO |  | 
	
		| Crassula saxifraga Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula scabra L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula scabra var. intermedia Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula scabra var. minor Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × scabrella Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula scabrella Harv. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula scabrella sensu Eckl. & Zeyh., Harv., non Haw. | Synonym |  | TRO |  | 
	
		| Crassula scalaris Schönland & Baker f. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula scheppigiana Diels | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schimperi Fisch. & C.A.Mey. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula schimperi f. abbreviata R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. denticulata (Brenan) R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula schimperi f. filamentosa (Schönl.) R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. illecebrioides (Welw. ex Hiern) G.D.Rowley | Accepted |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. illecebroides (Welw. ex Hiern.) R. Fernandez | Accepted |  | TRO |  | 
	
		| Crassula schimperi var. lanceolata (Eckl. & Zeyh.) Toelken | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. lanceolata Toelken, comb. inval. | Synonym |  | TRO |  | 
	
		| Crassula schimperi subsp. phyturus (Mildbr.) R.Fern. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. schimperi | Synonym |  | TRO |  | 
	
		| Crassula schimperi subsp. schimperi | Synonym |  | TRO |  | 
	
		| Crassula schimperi subsp. transvaalensis (Kuntze) R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schimperi var. transvaalensis R. Fern. | Accepted |  | TRO |  | 
	
		| Crassula schkuhrii Roth | Synonym |  | WCSP (in review) |  | 
	
		| Crassula × schlechteri Schönland | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula schmidtii Regel | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schmidtii f. alba Boom | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schoenlandii Jacobsen | Synonym |  | WCSP (in review) |  | 
	
		| Crassula schweinfurthii Dammann | Synonym |  | WCSP (in review) |  | 
	
		| Crassula scleranthoides Burm.f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula scutellaria Burm.f. | Synonym |  | WCSP |  | 
	
		| Crassula scutellaria Burm.f. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula sebaeoides (Eckl. & Zeyh.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sediflora (Eckl. & Zeyh.) Endl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sediflora var. laxifoliosa Schönland | Synonym |  | TRO |  | 
	
		| Crassula sediflora var. sediflora | Synonym |  | TRO |  | 
	
		| Crassula sedifolia N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sediformis Schweinf. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula sediodes Mill. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula selago Dinter | Synonym |  | WCSP (in review) |  | 
	
		| Crassula semiorbicularis Eckl. & Zeyh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula septas Thunb. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula septas var. leipoldtii Schönland | Synonym |  | TRO |  | 
	
		| Crassula sericea Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sericea var. hottentotta (Marloth & Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sericea var. sericea | Synonym |  | TRO |  | 
	
		| Crassula sericea var. velutina (Friedr.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula × serpentaria Schönland [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula sessilicymula Mogg | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sessilifolia Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setigera (Eckl. & Zeyh.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. basutica Schönland | Synonym |  | TRO |  | 
	
		| Crassula setulosa var. curta (N.E.Br.) Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. deminuta (Diels) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. lanceolata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. ovata Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. ramosa Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. robusta Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. rubra (N.E.Br.) G.D.Rowley | Synonym |  | WCSP (in review) |  | 
	
		| Crassula setulosa var. setulosa | Synonym |  | TRO |  | 
	
		| Crassula setulosa f. setulosa | Synonym |  | TRO |  | 
	
		| Crassula sieberiana (Schult. & Schult.f.) Druce | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sieberiana var. acuminata (Reader) Domin | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sieberiana var. exserta (Reader) Domin | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sieberiana subsp. tetramera Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula simiana Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula similis Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula simulans Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sinclairii (Hook.f.) A.P.Druce & Given | Accepted |  | WCSP (in review) |  | 
	
		| Crassula sladenii Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula smithii van Jaarsv., D.G.A.Styles & G.McDonald | Accepted |  | WCSP (in review) |  | 
	
		| Crassula smutsii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula socialis Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula solieri (Gay) F.Meigen | Accepted |  | WCSP (in review) |  | 
	
		| Crassula southii Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula southii subsp. southii | Synonym |  | TRO |  | 
	
		| Crassula sparsa Aiton [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula spathulata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula spectabilis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sphaeritis Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula spicata Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula spiciformis K.Schum. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula spinosa (L.) L. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula spiralis Dum.Cours. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula squamulosa Willd. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula squamulosa E.Mey. ex Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula squamulosa sensu Dc., Harv., non Schlechtd. | Synonym |  | TRO |  | 
	
		| Crassula stachyera Eckl. & Zeyh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula stachyera var. pulchella Harv. | Synonym |  | TRO |  | 
	
		| Crassula stewartiae Burtt Davy | Synonym |  | WCSP (in review) |  | 
	
		| Crassula streyi Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula strigosa L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula strigosa Drège ex Harv. [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula suavis Friedrich [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula subacaulis Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subacaulis subsp. erosula (N.E.Br.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subacaulis subsp. subacaulis | Synonym |  | TRO |  | 
	
		| Crassula subaphylla (Eckl. & Zeyh.) Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subaphylla var. puberula Harv. | Synonym |  | TRO |  | 
	
		| Crassula subaphylla var. subaphylla | Synonym |  | TRO |  | 
	
		| Crassula subaphylla var. virgata (Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subbifera Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula subincana (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula subsessilis W.F.Barker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula subulata L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subulata Eckl. & Zeyh. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula subulata (Hook.f.) Harv. [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula subulata var. fastigiata (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subulata var. hispida Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula subulata var. subulata | Synonym |  | TRO |  | 
	
		| Crassula sulcata (Haw.) D.Dietr. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sulcata ex D. Dietr. | Synonym |  | TRO |  | 
	
		| Crassula sulphurea Kunze [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula susannae Rauh & Friedrick | Accepted |  | WCSP (in review) |  | 
	
		| Crassula swaziensis Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swaziensis f. argyrophylla (Diels ex Schönland & Baker f.) R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swaziensis subsp. brachycarpa R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swaziensis f. brevipilosa R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swaziensis var. guruensis R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swaziensis var. zombensis (Baker f.) R.Fern. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula swellingrebliana DC. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sylvatica Licht. ex Schult. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula sylvatica Licht. ex Schultes | Synonym |  | TRO |  | 
	
		| Crassula tabularis Dinter | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tayloriae Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tecta Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula telephioides Haw. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tenuicaulis Schönland | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tenuifolia Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tenuipedicellata Schönland & Baker f. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tenuis Dod | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tenuis sensu Adamson non Wolley Dod | Synonym |  | TRO |  | 
	
		| Crassula teres Marloth | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tetragona L. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. acutifolia (Lam.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. connivens (Schönl.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. lignescens Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. robusta (Toelken) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. rudis (Schönl. & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tetragona subsp. tetragona | Synonym |  | TRO |  | 
	
		| Crassula tetramera (Toelken) A.P.Druce & Sykes | Synonym |  | WCSP (in review) |  | 
	
		| Crassula thorncroftii Burtt Davy | Synonym |  | WCSP (in review) |  | 
	
		| Crassula thunbergiana Schult. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula thunbergiana subsp. minutiflora (Schönl. & Baker f.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula thunbergiana subsp. thunbergiana | Synonym |  | TRO |  | 
	
		| Crassula thyrsiflora Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tibestica Miré & Quézel [Invalid] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tillaea Lest.-Garl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tillaea Macloskie [Illegitimate] | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tomentosa Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tomentosa var. glabrifolia (Harv.) G.D.Rowley | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tomentosa var. interupta (E.Mey. ex Harv.) Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula tomentosa var. setigera (Eckl. & Zeyh.) Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tomentosa var. tomentosa | Synonym |  | TRO |  | 
	
		| Crassula torquata Baker | Synonym |  | WCSP (in review) |  | 
	
		| Crassula trachysantha (Eckl. & Zeyh.) Harv. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula transvaalensis (Kuntze) K.Schum. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula tripartita N.A.Wakef. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula tuberella Toelken | Accepted |  | WCSP (in review) |  | 
	
		| Crassula turrita Thunb. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula turrita var. latifolia Harv. | Synonym |  | TRO |  | 
	
		| Crassula tysonii Schönland & Baker f. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula umbella Jacq. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula umbellata Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula umbellata var. nana Schönland | Synonym |  | TRO |  | 
	
		| Crassula umbraticola N.E.Br. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula undulata Haw. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula uniflora Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula vaginata Eckl. & Zeyh. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula vaginata subsp. vaginata | Synonym |  | TRO |  | 
	
		| Crassula vaillantii (Willd.) Roth | Accepted |  | WCSP (in review) |  | 
	
		| Crassula vaillantii (Willd.) Schoenl. | Synonym |  | TRO |  | 
	
		| Crassula vaillantii var. kilimandscharica Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula variabilis N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula velutina Friedrich | Synonym |  | WCSP (in review) |  | 
	
		| Crassula venezuelensis (Steyerm.) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula versicolor Burch. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula verticillaris L. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula vestita Thunb. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula virgata Harv. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula viridis (S.Watson) M.Bywater & Wickens | Accepted |  | WCSP (in review) |  | 
	
		| Crassula viridis (S. Watson) Fedde | Unresolved |  | TRO |  | 
	
		| Crassula volkensii Engl. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula volkensii subsp. coleae (Baker) Wickens & M.Bywater | Accepted |  | WCSP (in review) |  | 
	
		| Crassula watermeyeri Compton | Synonym |  | WCSP (in review) |  | 
	
		| Crassula weissii N.E.Br. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula whiteheadii Harv. | Accepted |  | WCSP (in review) |  | 
	
		| Crassula whyteana Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula wilmsii Diels | Synonym |  | WCSP (in review) |  | 
	
		| Crassula woodii Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula wrightiana Bullock | Synonym |  | WCSP (in review) |  | 
	
		| Crassula wyliei Schönland [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula yunnanensis Franch. | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula zeyheri Harv. [Unplaced] | Unresolved |  | WCSP (in review) |  | 
	
		| Crassula zeyheriana Schönland | Synonym |  | WCSP (in review) |  | 
	
		| Crassula zimmermannii Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula zimmermannii var. uhligii Engl. | Synonym |  | WCSP (in review) |  | 
	
		| Crassula zombensis Baker | Accepted |  | WCSP (in review) |  |