Pediocactus knowltonii
0
Pediocactus knowltonii L.D. Benson (Cactaceae) [Accepted]

protologue: Cact. Succ. J. (Los Angeles) 32: 193 (1960)

759689 Pediocactus knowltonii L.D. Benson
W. Curtis, Bot. Mag., ser. 2, vol. 1(): : p. 183 (1984) [C. Grey-Wilson]