On pony poop. 10 October 2020 Hampshire. Photograph copyright Leif Goodwin. Synonymns Coprinus ephemeroides Cap Initially bell shaped, then expanding, radially grooved, whitish, translucent, covered in white veil granules, centre ochraceous, to about 10 mm across Gills Distant, white then black, eventually deliquescing Stem Thin, translucent, with a ring, to about 4 cm long Flesh Fragile, thin Smell Unknown Taste Unknown Distribution Rarely reported, possibly because it is rather difficult to collect and study Habitat On dung from herbivores, especially horses Spore Print Black Microscopic Features Spores truncated almond shaped or pentagonal, smooth (6.5-8.5) x (4-5) µm2. Gill edge cystidia bag shaped. Cap granules cellular. Stem cystidia cylindrical. Edibility Inedible Notes Easily confused with other small dung loving species including Coprinopsis stercorea and Coprinopsis patouillardii. It is distinguished by the presence of a ring on the stem. 
10 October 2020 Hampshire. Photograph copyright Leif Goodwin. 
Spores in Congo Red solution viewed with a x100 immersion objective. 10 October 2020 Hampshire. Photograph copyright Leif Goodwin. 
Stem cystidium on the left and cap tissue on the right in Congo Red solution viewed with a x20 objective. 10 October 2020 Hampshire. Photograph copyright Leif Goodwin. |