Synonyms
Crassula hemisphaerica var. typica Schönland
Purgosea alooides (Aiton) Sweet
Crassula alooides Aiton
Crassula hemisphaerica var. recurva Schönland
Crassula hemisphaerica var. foliosa Schönland
Purgosea hemisphaerica (Thunb.) G.Don
Turgosea alooides (Aiton) Haw.