Synonyms: Agaricus plicatilis, Coprinus plicatilis.
Common names: pleated inkcap, Japanese Umbrella Inky.
Extract from Wikipedia article: Parasola plicatilis is a small saprotrophic mushroom with a plicate cap (diameter up to 35 mm). It is a widely distributed species in Europe and North America. This ink cap species is a decomposer which can be found in grassy areas, alone, scattered or in small groups. The fruiting bodies grow at night after rain, and will self decompose after spore dispersion is achieved. Otherwise, they are quickly dried up in morning sunlight, or will eventually collapse beneath the weight of their caps.
Dutch: Plooirokje, Finnish: Ratasmustesieni, Hungarian: Gyenge áltintagomba, Icelandic: Fellingablekill, Lithuanian: Pievinis mėšlagrybis, Romanian: Burecior de rouă, Russian: Навозник складчатый, Swedish: Veckad bläcksvamp.
Parasola plicatilis is a small to medium-sized fungus with a bell-shaped cap that ranges in color from light brown to grayish-brown, often with a distinctive umbo. It has a slender stem and gills that are crowded and free from the stem. In East and Central Texas, Parasola plicatilis typically fruits in late spring to early fall, often in fields, meadows, and along roadsides, particularly in areas with rich soil and abundant organic matter. It can be found growing solitary or in small groups, and is sometimes associated with the roots of grasses and other herbaceous plants.
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 12, 2008
Cap of pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, May 7, 2009
Small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, May 7, 2009
Small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) on Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 6, 2009
Translucent pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) in Lake Bryan Park. Bryan, Texas, May 21, 2010
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
Small pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
Translucent cap of Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
Small pleated inkcap mushrooms (Parasola plicatilis, Coprinus) on Iron Bridge in Lick Creek Park. College Station, Texas, June 8, 2010
Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) on a lawn in Central Park. College Station, Texas, July 19, 2013
Back lit Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) Lake Bryan Park. Bryan, Texas, September 30, 2013
Translucent cap of Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) Lake Bryan Park. Bryan, Texas, September 30, 2013
Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) near parking place in Lick Creek Park. College Station, Texas, October 2, 2013
Pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) on Iron Bridge Trail in Lick Creek Park. College Station, Texas, October 2, 2013
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) in Lake Bryan Park. Bryan, Texas, July 20, 2014
Small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) in Central Park. College Station, Texas, August 4, 2014
Close up of small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) in Central Park. College Station, Texas, August 4, 2014
Cap of small pleated inkcap mushroom (Parasola plicatilis, Coprinus plicatilis) in Central Park. College Station, Texas, August 4, 2014
Pleated inkcap mushroom (Parasola plicatilis) in Bee Creek Park. College Station, Texas, November 3, 2017
Pleated inkcap mushrooms (Parasola plicatilis) under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Pleated inkcap mushrooms (Parasola plicatilis) on wood chips under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Caps of pleated inkcap mushrooms (Parasola plicatilis) in Lemontree Park. College Station, Texas, November 4, 2017
Small pleated inkcap mushrooms (Parasola plicatilis) in Lemontree Park. College Station, Texas, November 4, 2017
Cluster of pleated inkcap mushrooms (Parasola plicatilis) under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Group of pleated inkcap mushrooms (Parasola plicatilis) under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Masses of pleated inkcap mushrooms (Parasola plicatilis) under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Cluster of pleated inkcap mushrooms (Parasola plicatilis) in Lemontree Park. College Station, Texas, November 4, 2017
Caps of pleated inkcap mushrooms (Parasola plicatilis) in Lemontree Park. College Station, Texas, November 4, 2017
Tall pleated inkcap mushrooms (Parasola plicatilis) in Wolf Pen Creek Park. College Station, Texas, November 5, 2017
Caps of tall pleated inkcap mushrooms (Parasola plicatilis) in Wolf Pen Creek Park. College Station, Texas, November 5, 2017
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) in Lick Creek Park. College Station, Texas, March 26, 2018
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) in Lick Creek Park. College Station, Texas, April 5, 2018
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, May 25, 2018
Cap of a large pleated inkcap mushroom (Parasola plicatilis) on a stump in Lick Creek Park. College Station, Texas, May 30, 2018
Gills of a large pleated inkcap mushroom (Parasola plicatilis) taken from a stump in Lick Creek Park. College Station, Texas, May 30, 2018
Pleated inkcap mushrooms (Parasola plicatilis) on a flowerbed behind Visitor Center in Lick Creek Park. College Station, Texas, June 21, 2018
Pleated inkcap mushrooms (Parasola plicatilis) grown after a rain on mulched lawn behind Visitor Center in Lick Creek Park. College Station, Texas, June 21, 2018
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis, Little Japanese Umbrella) on Post Oak Trail in Lick Creek Park. College Station, Texas, October 15, 2019
Pleated inkcap mushrooms (Parasola plicatilis, Coprinus plicatilis)(?) on a grassy field in Hensel Park. Bryan, Texas, April 8, 2020
Pleated inkcap mushrooms (Parasola plicatilis) in Lick Creek Park. College Station, Texas, June 26, 2020
Delicate caps of pleated inkcap mushrooms (Parasola plicatilis) in Lick Creek Park. College Station, Texas, June 26, 2020
Gills of pleated inkcap mushroom (Parasola plicatilis) in Lick Creek Park. College Station, Texas, June 26, 2020
Underside of pleated inkcap mushroom (Parasola plicatilis) in Lick Creek Park. College Station, Texas, June 26, 2020
Pleated inkcap mushrooms (Parasola plicatilis) on mulch in Lick Creek Park. College Station, Texas, June 26, 2020
Pleated inkcap mushrooms (Parasola plicatilis) in Wolf Pen Creek Park. College Station, Texas, April 29, 2021
Pleated inkcap mushrooms (Parasola plicatilis) with their gills in Wolf Pen Creek Park. College Station, Texas, April 29, 2021
Pleated inkcap mushrooms (Parasola plicatilis) on a grassy field in Hensel Park. College Station, Texas, June 3, 2021
Close-up of pleated inkcap mushrooms (Parasola plicatilis) on a grassy field in Hensel Park. College Station, Texas, June 3, 2021
Pleated inkcap mushrooms (Parasola plicatilis) on a lawn in Bee Creek Park. College Station, Texas, October 25, 2021
Pleated inkcap mushroom (Parasola plicatilis) on a lawn in Bee Creek Park. College Station, Texas, December 17, 2021
Cap and gills of pleated inkcap mushroom (Parasola plicatilis) in Bee Creek Park. College Station, Texas, December 17, 2021
Pleated inkcap mushrooms (Parasola plicatilis) on a lawn in Bee Creek Park. College Station, Texas, May 24, 2022
Spores of pleated inkcap mushrooms (Parasola plicatilis) collected on a lawn in Bee Creek Park. College Station, Texas, May 24, 2022
Pleated inkcap mushroom (Parasola plicatilis) on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
Underside of pleated inkcap mushroom (Parasola plicatilis) on Racoon Run Trail in Lick Creek Park. College Station, Texas, August 24, 2022
Pleated inkcap mushrooms (Parasola plicatilis(?)) on a lawn in Lick Creek Park. College Station, Texas, September 1, 2022
Pleated inkcap mushrooms (Parasola plicatilis(?)) on wood chips in Lick Creek Park. College Station, Texas, September 1, 2022
Pleated inkcap mushrooms (Parasola plicatilis(?)) on mulch in Lick Creek Park. College Station, Texas, September 1, 2022
Masses of pleated inkcap mushrooms (Parasola plicatilis(?)) on a lawn in Lick Creek Park. College Station, Texas, September 1, 2022
Dense colony of pleated inkcap mushrooms (Parasola plicatilis(?)) on a lawn in Lick Creek Park. College Station, Texas, September 1, 2022
Grey caps of pleated inkcap mushrooms (Parasola plicatilis(?)) on wood chips in Lick Creek Park. College Station, Texas, September 1, 2022
Caps of pleated inkcap mushrooms (Parasola plicatilis(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
Pleated inkcap mushrooms (Parasola plicatilis(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022
Spores (in Lugol solution) of pleated inkcap mushrooms (Parasola plicatilis(?)) from dry grass on a forest clearing, collected in Lick Creek Park. College Station, Texas, September 1, 2022
Spores (in KOH solution) of pleated inkcap mushrooms (Parasola plicatilis(?)) from dry grass on a forest clearing, collected in Lick Creek Park. College Station, Texas, September 1, 2022
Pleated inkcap mushrooms (Parasola plicatilis) on a lawn at the entrance in Lick Creek Park. College Station, Texas, May 10, 2024The observations document the presence of pleated inkcap mushrooms (Parasola plicatilis) in various parks in College Station, Texas, from 2014 to 2024. The mushrooms were found on lawns, grassy fields, wood chips, and mulch in multiple locations, including Lick Creek Park, Bee Creek Park, Wolf Pen Creek Park, and Hensel Park. They were observed during different months, with some sightings as early as April and as late as December. The observations include descriptions of the mushrooms' appearance, habitat, and spores. Some entries note uncertainty about the species identification, denoted by "(?)". Overall, the observations suggest that pleated inkcap mushrooms are common in the area and can be found in various environments throughout the year.
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