Echinocactus johnstonianus (Britton & Rose) Fosberg

, Amer. Midl. Naturalist 27: 257 (1942). BHL
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:87470-2
Publication
American Midland Naturalist; devoted to natural history, primarily that of the prairie states.
Collation
27: 257
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Ferocactus johnstonianus Britton & Rose, Cactaceae (Britton & Rose) 4: 287 (1923).
Same citation as
Echinocactus johnstonianus (Britton & Rose) Fosberg, Amer. Midl. Naturalist xxvii. 257 (1942).