Avonia grisea G.Will. in Cact. Succ. J. (Los Angeles) 86: 22. 2014
Avonia grisea in Cact. Succ. J. (Los Angeles) 86: 22. 2014
is new combination for Avonia albissima var. grisea in Aloë 46(3): 70. 2009
Avonia grisea in Cact. Succ. J. (Los Angeles) 86: 22. 2014
Taxon for this name