Kingdom: Fungi
Subkingdom: Dikarya
Phylum: Basidiomycota
Subphylum: Agaricomycotina
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Coprinellus

Coprinellus is a genus of mushrooms in the family Psathyrellaceae. Many of these species appear similar and require microscopic analysis to differentiate and identify.

The photo below is of a small unidentified mushroom of the genus Coprinellus growing in disturbed soil containing organic matter.
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Thanks to Wikipedia for text and information:https://creativecommons.org/licenses/by-sa/3.0