From Natural History of Southeast Alaska
- Search Arctos Database for Cladonia nipponica (Southeast only)
- Search Arctos Database for Cladonia nipponica (entire database)
- Encyclopedia of Life search for Cladonia nipponica
- iNaturalist Observations for Cladonia nipponica in Southeast Alaska
- Geiser Dillman Derr Stensvold 1998: Rare; on boulders and on soils near Mendenhall Lake and Mt. Roberts near Juneau, Harbor Mountain near Sitka and the Ketchikan vicinity.