no HD illustration available

6 278415 Coryphantha echinus (Engelm.) Britton & Rose (Engelm.) Britton & Rose [Mammillaria echinus Engelm.]
C.F. Förster, T. Rümpler, Handb. Cacteenk., ed. 2, vol. 1 : p. 404, t. 43 (1886)
no thumbnail 350px available no thumbnail 200px available