| Title | Northwest Flora |
| Abbreviation | Northw. Fl. |
| Authors | T. C. Frye: G. B. Rigg |
| Publication Dates | [12 Sep 1912] |
| Place of publication | Seattle, WA, USA |
| Publisher | University Bookstore |
| URL | https://www.biodiversitylibrary.org/bibliography/181728 |
| Remarks | Description: 453 pp.; T. C. Frye (pers. comm. to Dr. H. M. Hall, Gray Herb., Harvard Univ.; dt. 19 Jan 1921) established the date of publication as 12 September 1912. |