URL volume
https://archive.org/details/mobot31753002545991
species cited
Cereus polyacanthus Engelm.
basionym cited
Cereus polyacanthus Engelm.
ID species recognized
370138
species recognized
Echinocereus polyacanthus Engelm.
ID basionym recognized
370138
basionym recognized
Echinocereus polyacanthus Engelm.
genus recognized
Echinocereus
Echinocereus polyacanthus Engelm. [8]
 
Cactaceae - Cactoideae - Cereeae -
Echinocereus Engelm.
[99]
_Rep. U.S. Mex. Bound.: t. 54 () [P. Roetter] []
drawing: P. Roetter [153]
epithet recognized species: polyacanthus,-a,-um [13]
epithet cited species: polyacanthus,-a,-um [13]
Illustration contributed by: