Echinocactus ourselianus var. albispinus Placement status: name of verified uncertain applicationEchinocactus ourselianus var. albispinus Hand.-Mazz. ex Pax & K.Hoffm. in Monatsschr. Kakteenk. 5: 111. 1895 sec. Britton & Rose 192211. Britton, N. L. & Rose, J.N. 1922: Cactaceae 3Content