Crassula basutica Crassula griquaensis Crassula harveyi Crassula laxa Crassula montis-moltkei Crassula revolvens Creusa revolvens Creusa revolvens var. harveyi Crassula harveyi var. intermedia Crassula harveyi Creusa revolvens var. intermedia Crassula harveyi var. dependens
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024