updated with Esslinger, T.L., 2014. N.A. Lichen Checklist (v19) 23 March 2014 (2014)
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R. Fisher
40
1974-01-23
R. Crook
USA, Maryland, Frederick, Specimen was taken from the New Mkt. State Park located along Crickenbocker Rd. The sample was collected along the drive just inside the main entrance.