| ID illustration | 156352 |
| ID publication | 1600 |
| ID volume | 4093 |
| code scanning institute | NYBG |
| scanning institute | New York Botanical Garden, U.S.A. |
| URL volume | https://archive.org/details/floraconspicuase00morr |
| ID species cited | 710278 |
| species cited | Oenothera missouriensis Sims |
| ID basionym cited | 710278 |
| basionym cited | Oenothera missouriensis Sims |
| ID species recognized | 1188293 |
| species recognized | Megapterium missouriense (Sims) Spach |
| ID basionym recognized | 710278 |
| basionym recognized | Oenothera missouriensis Sims |
| ID genus cited | 6232 |
| genus cited | Oenothera |
| ID genus recognized | 6232 |
| genus recognized | Oenothera |
| Megapterium missouriense (Sims) Spach [7] | |
| Onagraceae - | |
| vernacular names |
|
| Oenothera L. [277] | |
| R. Morris, Fl. Conspic.: t. 31 (1826) [W. Clark] [60] | |
| drawing: W. Clark [63] | |
| epithet recognized species: missouriensis,-is,-e [19] | |
| epithet cited species: missouriensis,-is,-e [19] | |
| Illustration contributed by: | New York Botanical Garden, U.S.A. |
R. Morris, Fl. Conspic.: t. 31 (1826) [W. Clark]