John S. Hopple

Coprinellus micaceus, commonly known as the mica cap, glistening inky cap, or shiny cap, is a common species of mushroom-forming fungus in the family Psathyrellaceae. Formerly known as Coprinus micaceus, the species was transferred to Coprinellus in 2001 as phylogenetic analyses provided the impetus for a reorganization of the many species formerly grouped together in the genus Coprinus. Based on external appearance, C. micaceus is virtually indistinguishable from C. truncorum, and it has been suggested that many reported collections of the former may be of the latter. Depending on their

Parasola plicatilis, commonly known as the pleated inkcap, is a small saprotrophic mushroom. The body resembles a cocktail umbrella. The plicate cap is up to 3.5 centimetres (1+1⁄2 in) wide. The species has no veil. Though nonpoisonous, the species is generally regarded as inedible and thin-fleshed. Two related species, P. hemerobia and P. leiocephala, have similar microscopic features but appear in different habitats and have unique spores. Other lookalikes include Leucocoprinus fragilissimus and members of Coprinopsis, Narcissea, and Tulosesus. P. plicatilis is a widely distributed species

Coprinellus domesticus, commonly known as the domestic inky cap, or firerug inkcap, is a species of mushroom in the family Psathyrellaceae.

Parasola is a genus of coprinoid mushrooms in the family Psathyrellaceae. These small frail fungi have translucent caps where the radiating gills look like the spokes of a parasol (except for P. conopilea which was recently added to the genus). In the past these mushrooms were classified under Coprinus, but unlike that genus there is no veil and the caps do not break down into inky fluid, but curl up and wither as they age. Species in this genus are commonly known as umbrella inky caps.

Coprinellus xanthothrix is a species of fungus in the family Psathyrellaceae. This species was isolated from a polyphenol-polluted site near an olive processing plant in Greece. Shown to have the enzymes laccase and manganese peroxidase, the fungus is able to decolorize the recalcitrant polymeric dye R-478. First described as Coprinus xanthothrix by the French mycologist Henri Romagnesi in 1941, it was later transferred to the genus Coprinellus in 2001.

Coprinellus radians is a species of mushroom in the family Psathyrellaceae. First described as Agaricus radians by the mycologist John Baptiste Henri Joseph Desmazières in 1828, it was later transferred to the genus Coprinellus in 2001.

Parasola auricoma or goldenhaired inkcap is a species of agaric fungus in the family Psathyrellaceae first described scientifically in 1886. The small, umbrella-shaped fruit bodies (mushrooms) of the fungus grow in grass or woodchips and are short-lived, usually collapsing with age in a few hours. The caps are up to 6 cm (2.4 in) wide, initially elliptical before flattening out, and colored reddish-brown to greyish, depending on their age and hydration. They are pleated with radial grooves extending from the center to the edge of the cap. The slender, whitish stems are up to 12 cm (4.7 in)

Coprinellus flocculosus is a species of agaric fungus in the family Psathyrellaceae.

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Parasola misera is a species of coprophilous fungus in the family Psathyrellaceae. It grows on the dung of goats and possibly on that of sheep.

Coprinellus curtus is a species of mushroom in the family Psathyrellaceae. It was first described as Coprinus curtus by Károly Kalchbrenner in 1876 before being transferred to the genus Coprinellus in 2001. A strain of this fungus (named GM-21) produces an anti-fungal compound known to inhibit bottom-rot disease of Chinese cabbage (Brassica campestris) caused by the plant pathogen Rhizonoctonia solani. It is a coprophilous fungus and it is known to grow on the dung of donkeys, sheep and goats.

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Coprinellus heptemerus is a species of mushroom in the family Psathyrellaceae. It was first described as Coprinus heptemerus by mycologists M. Lange and Alexander H. Smith in 1952, and later transferred to the genus Coprinellus in 2001. It is a coprophilous fungus and it is known to occur on the dung of goats and possibly on that of sheep.

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