| Collema undulatum var. granulosum Degel. | ISOTYPE | O-L-001069 | Click on image for full size (36 MPx)
| Protolog: Degelius,G, Symbolae Bot. Upsal. 13(2): 369 (1954)
| | Locality: ICELAND, RANGARVALLA SYSLA: Mulakot, 1937.07.02, Lynge, B. [63°43'N, 19°52'W]
| Currently accepted name: Collema undulatum Flotow
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