From Natural History of Southeast Alaska
- Search Arctos Database for Cladonia verruculosa (Southeast only)
- Search Arctos Database for Cladonia verruculosa (entire database)
- Encyclopedia of Life search for Cladonia verruculosa
- iNaturalist Observations for Cladonia verruculosa in Southeast Alaska
- Geiser Dillman Derr Stensvold 1998: Abundant; corticolous and lignicolous on bases and sometimes lower branches of conifers, common on soil and rock. Most forest types from low elevation to alpine, also on beach logs, and on soil, moss and gravel at glacial termini.