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This epiphytic member of the genus has recently been found in Ireland (Westmeath). Like D. alboatrum (described elsewhere), it has submuriform spores but unlike that species, possesses a conspicuous rim or exciple around the large flat disc. Examination of the spores shows that longitudinal divisions occur immediately to either side of the septum. Smooth nutrient-rich bark.
Original text submitted by Vince J. Giavarini