| Name | Pityrogramma triangularis var. semipallida J. T. Howell |
| Authorship | J. T. Howell |
| Rank | Variety |
| Placed in | Pityrogramma triangularis (Kaulfuss) Maxon |
| Citation | 1962 Leafl. W. Bot. 9(13–14): 223 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Pityrogramma triangularis var. semipallida J. T. Howell |
| Identification made in | [no date] (1), 2015 (1) |
Copyright © 2013 The President and Fellows of Harvard College | Accessibility