Synonyms: Agaricus impatiens, Coprinarius impatiens, Coprinus impatiens, Psathyrella impatiens, Pseudocoprinus impatiens.
Common name: piano key inkcap.
Extract from Wikipedia article: Coprinellus impatiens is a species of fungus in the Psathyrellaceae family. First described in 1821, it has been classified variously in the genera Psathyrella, Pseudocoprinus, Coprinarius, and Coprinus, before molecular phylogenetics reaffirmed it as a Coprinellus species in 2001. The fungus is found in North America and Europe, where the mushrooms grow on the ground in deciduous forests. The fruit bodies have buff caps that are up to 4 cm (1.6 in) in diameter, held by slender whitish stems that can be up to 10 cm (3.9 in) tall. Several other Coprinopsis species that resemble C. impatiens may be distinguished by differences in appearance, habit, or spore morphology.
Finnish: Lehvämustesieni.
Coprinellus impatiens is a small to medium-sized saprotrophic fungus with a bell-shaped cap that ranges from 1-4 cm in diameter, typically grayish-brown to brown in color, and often featuring radial striations. The gills are crowded, free, and initially white, turning black as the spores mature. In East and Central Texas, it is commonly found growing in clusters on rich soil, decaying wood, or dung, particularly in shaded areas with abundant organic matter. Fruitings typically occur from spring to fall, with a peak in late summer.
Inkcap mushrooms Coprinellus impatiens on a side of a sandy road in Lick Creek Park. College Station, Texas, July 11, 2018
Iron Bridge Trail, College Station, TX 77845, USA
Inkcap mushrooms Coprinellus impatiens on a sandy roadside in Lick Creek Park. College Station, Texas, July 11, 2018Iron Bridge Trail, College Station, TX 77845, USA
Group of inkcap mushrooms Coprinellus impatiens on a sandy roadside in oak forest in Lick Creek Park. College Station, Texas, July 11, 2018Iron Bridge Trail, College Station, TX 77845, USA
Inkcap mushrooms Coprinellus impatiens on a lawn in Lick Creek Park. College Station, Texas, September 18, 2018Lick Creek Park, 13600 Rock Prairie Rd, College Station, TX 77845, USA
Piano key inkcap mushrooms (Coprinellus impatiens)(?) or may be Tulosesus in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Side view of piano key inkcap mushrooms (Coprinellus impatiens)(?) or may be Tulosesus in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Piano key inkcap mushrooms (Coprinellus impatiens)(?) on a lawn near a parking place in Lick Creek Park. College Station, Texas, May 9, 2022Iron Bridge Trail, College Station, Brazos County, Texas, United States
Spores of inkcap mushrooms (Coprinellus impatiens)(?) collected in Lick Creek Park. College Station, Texas, May 9, 2022In East and Central Texas, Coprinellus impatiens has been observed growing on various substrates, including sandy roadsides and lawns in Lick Creek Park, College Station. The fungus was found in groups on sandy roadways surrounded by oak forests, as well as on lawns, from July to September 2018. Similar species were also spotted in wet areas of Sam Houston National Forest, north of Montgomery, in July 2020. In May 2022, specimens were collected on a lawn near a parking area in Lick Creek Park, with spores also collected for identification. The observations suggest that Coprinellus impatiens can thrive in diverse environments, from dry sandy roadsides to wet areas and lawns, across different seasons in East and Central Texas. The species' presence has been documented through photographs and spore collection.
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