Avonia albissima var. grisea G.Will. in Aloë 46(3): 70. 2009
Avonia albissima var. grisea in Aloë 46(3): 70. 2009
is basionym for Anacampseros grisea in Bradleya 2014(32): 105. 2014
is basionym for Avonia grisea in Cact. Succ. J. (Los Angeles) 86: 22. 2014