| ID illustration | 177836 |
| ID publication | 3476 |
| ID volume | 4447 |
| code scanning institute | SI |
| scanning institute | Smithsonian Institute, Washington, D.C., U.S.A. |
| URL volume | https://archive.org/details/NorthAmericanwiIIWalc |
| ID species cited | 370024 |
| species cited | Echinocereus lloydii Britton&Rose |
| ID basionym cited | 370024 |
| basionym cited | Echinocereus lloydii Britton&Rose |
| ID species recognized | 370203 |
| species recognized | Echinocereus roetteri (Engelm.) Engelm. ex Rümpler |
| ID basionym recognized | 226447 |
| basionym recognized | Cereus roetteri Engelm. |
| ID genus cited | 1685 |
| genus cited | Echinocereus |
| ID genus recognized | 1685 |
| genus recognized | Echinocereus |
| Echinocereus roetteri (Engelm.) Engelm. ex Rümpler [3] | |
| Cactaceae - Cactoideae - Pachycereeae - | |
| vernacular names |
|
| Echinocereus Engelm. [132] | |
| M.V. Walcott, N. Amer. Wild Fl., vol. 2 : t. 155 (1925-1927) [81] | |
| epithet recognized species: roetteri [1] | |
| epithet cited species: lloydii [4] | |
| Illustration contributed by: | Smithsonian Institute, Washington, D.C., U.S.A. |
M.V. Walcott, N. Amer. Wild Fl., vol. 2 : t. 155 (1925-1927)