Opuntia frutescens var. longispina Engelm. in Proc. Amer. Acad. Arts 3: 309. 1856
Opuntia frutescens var. longispina in Proc. Amer. Acad. Arts 3: 309. 1856
is basionym for Cylindropuntia leptocaulis var. longispina, Kaktus-ABC: 122. 1936 ["1935"]
is basionym for Opuntia leptocaulis var. longispina in Bot. Jahrb. Syst. 36(5): 450. 1905
is basionym for Cylindropuntia leptocaulis f. longispina in Kakteen And. Sukk. 69: 157. 2018
is basionym for Opuntia leptocaulis f. longispina, Handb. Kakteenkult.: 41. 1907