| Name | Parmelia laevigata f. roseoreagens Degelius |
| Authorship | Degelius |
| Rank | Forma |
| Placed in | Parmelia laevigata (Smith) Acharius |
| Citation | 1941 Göteborgs Kungl. Vetensk. Samhälles Handl. ser. 6B, I, no. 7 p.32 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Parmelia laevigata f. roseoreagens Degelius |
| Identification made in | [no date] (3) |
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