Hammeria gracilis Burgoyne in Cact. Succ. J. (Los Angeles) 70(4): 204. 1998 Hammeria gracilis Burgoyne in Cact. Succ. J. (Los Angeles) 70(4): 204. 1998Taxon for this nameHammeria gracilis Burgoyne in Cact. Succ. J. (Los Angeles) 70(4): 204. 1998
