From Natural History of Southeast Alaska
Unuk River and Stikine River valleys on the mainland and a single report from Baranof Island.
- Sitka/Leptogium cyanescens: Found growing on bark of Black Cottonwood (Populus trichocarpa) in upper Blue Lake Valley. (edit)
- PacNW Herbaria Records for Leptogium cyanescens
- Search Arctos Database for Leptogium cyanescens (Southeast only)
- Search Arctos Database for Leptogium cyanescens (entire database)
- Encyclopedia of Life search for Leptogium cyanescens
- iNaturalist Observations for Leptogium cyanescens in Southeast Alaska
- Geiser Dillman Derr Stensvold 1998: Infrequent-Common; corticolous; mainly on deciduous shrubs (Alnus and Salix) but also on Picea sitchensis. Collected only in the Unuk and Stikine River valleys, these rivers originating in the British Columbia interior.