Pediocactus simpsonii (Engelm.) Britton & Rose

, Ill. Fl. N. U.S. (Britton & Brown), ed. 2. ed. 2, 2: 570, fig. 2983 (1913).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:186549-2
Publication
An Illustrated Flora of the Northern United States
Collation
ed. 2, 2: 570, fig. 2983
Date of Publication
7 Jun 1913
Family as entered in IPNI
Cactaceae

Links

Basionym
Echinocactus simpsonii Engelm., Trans. Acad. Sci. St. Louis 2: 197 (1863).
Same citation as
Pediocactus simpsonii (Engelm.) Britton & Rose
Same citation as
Pediocactus simpsonii Britton & Rose, Ill. Fl. N. U.S. (Britton & Brown), ed. 2. 2: 570 (1913).