Grusonia agglomerata (A.Berger) E.F.Anderson in Cact. Succ. J. (Los Angeles) 71: 325. 1999
Grusonia agglomerata in Cact. Succ. J. (Los Angeles) 71: 325. 1999
is new combination for Opuntia agglomerata, Kakteen: 58. 1929
Grusonia agglomerata in Cact. Succ. J. (Los Angeles) 71: 325. 1999