Synonyms
Crassula quadrangula (Eckl. & Zeyh.) Endl.
Tetraphyle pyramidalis var. quadrangula (Eckl. & Zeyh.) P.V.Heath
Purgosea pyramidalis (Thunb.) G.Don
Tetraphyle pyramidalis Eckl. & Zeyh.
Tetraphyle quadrangula Eckl. & Zeyh.
Tetraphyle pyramidalis var. archeri (Compton) P.V.Heath
Tetraphyle pyramidalis var. cylindrica (Schönland) P.V.Heath
Crassula archeri Compton
Crassula cylindrica Schönland