Copiapoa rupestris subsp. hornilloensis (F.Ritter) Doweld in Sukkulenty 4: 55. 2002 ["2001"]
Copiapoa rupestris subsp. hornilloensis in Sukkulenty 4: 55. 2002 ["2001"]
is new combination for Copiapoa hornilloensis, Kakteen Südamerika 3: 1060. 1980