| 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. |