| ID illustration | 472727 |
| ID publication | 72229 |
| ID volume | 242092 |
| code scanning institute | CASL |
| scanning institute | University of Illinois Urbana-Champaign, U.S.A. |
| URL volume | https://archive.org/details/arboretumetfru06loud |
| ID species cited | 284461 |
| species cited | Crataegus douglasii Lindl. |
| ID basionym cited | 284461 |
| basionym cited | Crataegus douglasii Lindl. |
| ID species recognized | 284461 |
| species recognized | Crataegus douglasii Lindl. |
| ID basionym recognized | 284461 |
| basionym recognized | Crataegus douglasii Lindl. |
| ID genus cited | 7133 |
| genus cited | Crataegus |
| ID genus recognized | 7133 |
| genus recognized | Crataegus |
| Crataegus douglasii Lindl. [4] | |
| Rosaceae - Rosoideae - Crataegeae - | |
| vernacular names |
|
| Crataegus L. [471] | |
| J.C. Loudon, Arbor. Frutic. Brit., ed. 2, vol. 6 (Plates): p. 134 (1844) [111] | |
| epithet recognized species: douglasii [80] | |
| epithet cited species: douglasii [80] | |
| Illustration contributed by: | University of Illinois Urbana-Champaign, U.S.A. |
J.C. Loudon, Arbor. Frutic. Brit., ed. 2, vol. 6 (Plates): p. 134 (1844)