| Name | Physcia nigricans (Flörke) Stizenberger |
| Authorship | (Flörke) Stizenberger |
| Rank | Species |
| Placed in | Physcia (Schreber) Michaux |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Physcia nigricans (Flörke) Stizenberger |
| Identification made in | [no date] (1) |
Copyright © 2013 The President and Fellows of Harvard College | Accessibility