2017 Dr. Amadej Trnkoczy   cc-by-nc-sa-3.0

Rhizocarpon geographicum (Yellow Map Lichen; World Map Lichen) is a species of Fungi in the family Rhizocarpaceae. They are native to Eastern North America.

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EOL has data for 7 attributes, including:

Known occurrences, collected specimens and observations of Yellow map lichen; World map lichen. View this species on GBIF

Yellow map lichen; World map lichen includes 1 child: