From Natural History of Southeast Alaska
- Search Arctos Database for Cladonia subulata (Southeast only)
- Search Arctos Database for Cladonia subulata (entire database)
- Encyclopedia of Life search for Cladonia subulata
- iNaturalist Observations for Cladonia subulata in Southeast Alaska
- Geiser Dillman Derr Stensvold 1998: Infrequent-Rare; on rocks or soil in open areas and forests; Yankee Basin Trail, and lateral moraine of Herbert Glacier, both north of Juneau. [as C. rei] Infrequent; Mendenhall Lake vicinity, Juneau (Krog 1968).