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Biodiversity Institute of Ontario. Biodiveristy Institute of Ontario. Year: 2015.   cc-by-nc-sa-3.0

Verrucaria calkinsiana (Calkins' Wart Lichen) is a species of Fungi in the family Verrucariaceae.

EOL has data for 2 attributes, including:

Known occurrences, collected specimens and observations of Calkins' wart lichen. View this species on GBIF