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Cactaceae
Pediocactus
Pediocactus knowltonii
Pediocactus knowltonii
L.D.Benson, 1960
4% complete
No common name
Cact. Succ. J. (Los Angeles) 32: 193 (1960)
Specifications
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Synonyms
Pediocactus bradyi var. knowltonii
(L.D.Benson) Backeb.
Pediocactus simpsonii var. knowltonii
(L.D.Benson) Halda