Echinocereus laui G.Frank in Kakteen And. Sukk. 29(4): 74. 1978 Echinocereus laui G.Frank in Kakteen And. Sukk. 29(4): 74. 1978Taxon for this nameEchinocereus laui G.Frank in Kakteen And. Sukk. 29(4): 74. 1978