[ Echinocereus polyacanthus variety densus (Regel) N.P.Taylor]
Curtis, W., et al., Botanical Magazine, ser. 2 (1984-2021)
Bot. Mag., ser. 2

vol. 1 (1984)
t. 20

name cited:
Echinocereus polyacanthus variety densus (Regel) N.P.Taylor
name cited (basionym):
-
name recognized:

drawing: C. King
family: Cactaceae
subfamily: Cactoideae
tribe: Pachycereeae
epithet: polyacanthus,-a,-um

Illustration contributed by:
JSTOR digital library, U.S.A.
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=444571
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synonyms:
Echinocereus polyacanthus Engelm. (Cactaceae) [Echinocereus polyacanthus variety densus (Regel) N.P.Taylor ] W. Curtis, Bot. Mag., ser. 2, vol. 1(): : t. 20 (1984) [C. King]