Cactus tuna var. nigricans (Haw.) Sims in Bot. Mag. 38: t. 1557. 1813
Cactus tuna var. nigricans in Bot. Mag. 38: t. 1557. 1813
is new combination for Cactus nigricans, Misc. Nat.: 187. 1803
Cactus tuna var. nigricans in Bot. Mag. 38: t. 1557. 1813
Taxon for this name