Melanohalea exasperata (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch (photograph of herbarium specimen) Growing on bark at Owings Mills, Baltimore County, Maryland, USA; collected and identified by Elmer G. Worthley (No. LH-271); specimen is now in the Lichen Herbarium of the New York Botanical Garden.
{{Information |Description='''''Melanohalea exasperata''''' (De Not.) O. Blanco, A. Crespo, Divakar, Essl., D. Hawksw. & Lumbsch (photograph of herbarium specimen) Growing on bark at Owings Mills, Baltimore Count