Literature references
1 literature reference for Hydrophilus triangularis Say, 1823:
| Author: | Say, T. |
|---|---|
| Year: | 1823 |
| Title: | Descriptions of coleopterous insects collected in the late expedition to the Rocky Mountains, performed by order of Mr. Calhoun, Secretary of War, under the command of Major Long. |
| Source: | Journal of the Academy of Natural Sciences of Philadelphia, 3 (1): 139-216. |