Sclerocactus pubispinus var. spinosior (Engelm.) S.L.Welsh

, Great Basin Naturalist 44: 67 (1984). BHL
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:284766-2
Publication
Great Basin Naturalist
Collation
44: 67
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Echinocactus whipplei var. spinosior Engelm., Trans. Acad. Sci. St. Louis 2: 199 (1863).