| Verrucaria xyloxena Norman | ISOTYPE | O-L-001054 | Click on image for full size (36 MPx)
| Protolog: Norman,JM, Bot. Notiser 1867: 87 (1867)
| | Locality: NORWAY, TROMS, TROMSØ: ad insulam Tromsö, ., Norman, J.M.
| Currently accepted name: Verrucaria xyloxena Norman
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