Determiner: updated from Esslinger, T.L., Checklist of North American Lichens (v.17) (2011)
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Collector:
John W. Thomson 16633
Date: 1968-07-18
Verbatim Date: 1968-7-18
Locality:
United States, Minnesota, Clearwater, Lake Itasca Biological Station; De Soto trail
47.143494 -95.21525 +-666m.
Georeference Remarks:
manually placed on midpoint of De Soto Trail, uncertainty at half the distance of the trail,http://files.dnr.state.mn.us/maps/state_parks/spk00181_summer.pdf