Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [ Mammillaria micromeris Engelm.]
no HD illustration available (m1)
Epithelantha micromeris (Engelm.) F.A.C.Weber ex Britton & Rose [--] [Cactaceae]
Rep. U.S. Mex. Bound. (Cactaceae of the boundary): t. 2 () [P. Roetter]