Opuntia basilaris var. basilaris sec. Parfitt & Gibson 20031
1.Parfitt, B.D. & Gibson, A.C. 2003: Cactaceae. – In: Flora of North America Editorial Committee, Flora of North America 4. Magnoliophyta: Caryophyllidae, part 1
=Opuntia basilaris var. ramosa Parishin Bull. Torrey Bot. Club 19(3): 92–93. 1892 syn. sec. Parfitt & Gibson 20032
2.Parfitt, B.D. & Gibson, A.C. 2003: Cactaceae. – In: Flora of North America Editorial Committee, Flora of North America 4. Magnoliophyta: Caryophyllidae, part 1