Grusonia ×fosbergii (C.B.Wolf) G.D.Rowley in Tephrocactus Study Group 12(3): 44. 2006
Grusonia ×fosbergii in Tephrocactus Study Group 12(3): 44. 2006
is new combination for Opuntia ×fosbergii in Occas. Pap. Rancho Santa Ana Bot. Gard. 1(2): 79. 1938