[ Echinocereus polyacanthus variety densus (Regel) N.P.Taylor]
      
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ID illustration 444571
ID publication 4577
ID volume 5944
code scanning institute JSTOR
scanning institute JSTOR digital library, U.S.A.
URL volume https://archive.org/details/alles grijs
ID species cited 370140
species cited Echinocereus polyacanthus var. densus (Regel) N.P.Taylor
ID basionym cited -1
basionym cited
ID species recognized 370138
species recognized Echinocereus polyacanthus Engelm.
ID basionym recognized 370138
basionym recognized Echinocereus polyacanthus Engelm.
ID genus cited 1685
genus cited Echinocereus
ID genus recognized 1685
genus recognized Echinocereus
Echinocereus polyacanthus Engelm. [10]
  Cactaceae - Cactoideae - Pachycereeae -
vernacular names
Echinocereus Engelm. [132]
W. Curtis, Bot. Mag., ser. 2, vol. 1(): : t. 20 (1984) [C. King] [77]
drawing: C. King [392]
epithet recognized species: polyacanthus,-a,-um [17]
epithet cited species: polyacanthus,-a,-um [17]
Illustration contributed by: JSTOR digital library, U.S.A.
370138 Echinocereus polyacanthus Engelm. Cactaceae
W. Curtis, Bot. Mag., ser. 2, vol. 1(): : t. 20 (1984) [C. King]