| Name | Gymnosporangium nootkatense (Trelease) Arthur |
| Authorship | (Trelease) Arthur |
| Rank | Species |
| Placed in | Gymnosporangium |
| Citation | 1916 Amer. J. Bot. 3: 44 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Gymnosporangium nootkatense (Trelease) Arthur |
| Identification made in | [no date] (11) |