Name: Coprinopsis atramentaria
Author: (Bull.) Redhead, Vilgalys & Moncalvo
Citation: in Redhead, Vilgalys, Moncalvo, Johnson & Hopple, Taxon 50(1): 226 (2001)
The cap of C. atramentaria is 3cm to 6cm in height and has a conical tip (Image 1). The base of the cone can be as wide as 10cm in diameter. Gray to light brown in color. The gills are white but can turn into a black slurry or “ink”. The stem is 8-15cm high and 6-12cm in diameter.