Extract from Wikipedia article: Psathyrella candolleana is mushroom in the family Psathyrellaceae. It is commonly found on lawns or pastures in Europe and North America. In 2014, it was reported from Iraq. The coloring varies between white and golden brown. The cap measures 3–8 cm (1.2–3.1 in) in diameter, and is initially conical, later becoming rounded and finally with upturned margins in maturity. The cap margin is irregular and radially asymmetrical—a defining characteristic of this species. The spore print is purple-brown, while spores are smooth and elliptical, measuring 6.5–8 by 4–5 µm. The specific epithet candolleana honors Swiss botanist Augustin Pyramus de Candolle.
Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn in Wolf Pen Creek Park. College Station, Texas, November 5, 2017 The Lofts at Wolfpen, 614, Holleman Drive East, College Station, Brazos County, Texas, 77840, United States
Pale brittlestem (Psathyrella candolleana) mushrooms on a lawn on Anderson Street. College Station, Texas, November 8, 2017 1148, Anderson Street, Lulac Oak Hill, College Station, Brazos County, Texas, 77840, United States
Pale brittlestem mushrooms (Psathyrella candolleana) on Francis Drive. College Station, Texas, November 17, 2017 698, Francis Drive, College Station, Brazos County, Texas, 77840, United States
Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, February 15, 2018 1705 Valley View Dr, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, June 10, 2019 Bee Creek Park, 1900 Anderson St, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 10, 2019 Bee Creek Park, 1900 Anderson St, College Station, TX 77840, USA
Brittlestem mushrooms Psathyrella candolleana in Lick Creek Park. College Station, Texas, July 5, 2019 Raccoon Run, College Station, TX 77845, USA
Pale brittlestem mushrooms (Psathyrella candolleana) on a grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020 Lake Somerville Trailway, Somerville, TX 77879, USA
Dissected pale brittlestem mushrooms (Psathyrella candolleana) on a grassy road at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, April 5, 2020 Lake Somerville Trailway, Somerville, TX 77879, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Lick Creek Park. College Station, Texas, June 2, 2020 Raccoon Run, College Station, TX 77845, USA
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020 Bee Creek, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) among grass on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020 Bee Creek, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020 Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Pale brittlestem mushrooms (Psathyrella candolleana) near a road in Washington-on-the-Brazos State Historic Site. Washington, Texas, December 8, 2020 Old Washington Town Site Loop Trail, Washington, TX 77880, USA
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in College Station Cemetery. College Station, Texas, October 25, 2021 Texas Avenue, College Station, Brazos County, Texas, 77845, United States
Pale brittlestem mushrooms (Psathyrella candolleana) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 19, 2021 Lone Star Hiking Trail, Walker County, Texas, United States
Side view of pale brittlestem mushrooms (Psathyrella candolleana) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, December 19, 2021 Lone Star Hiking Trail, Walker County, Texas, United States
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park College Station, Texas, April 25, 2022 1899, Anderson Street, College Station, Brazos County, Texas, 77840, United States
Gills of a pale brittlestem mushroom (Psathyrella candolleana) in Bee Creek Park College Station, Texas, April 25, 2022 1998, Anderson Street, College Station, Brazos County, Texas, 77840, United States
Spores of pale brittlestem mushrooms (Psathyrella candolleana) in iodine solution, collected in Bee Creek Park College Station, Texas, April 25, 2022
Pale brittlestem mushrooms (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022 Racoon Run Trail, College Station, Brazos County, Texas, United States
Gills of a pale brittlestem mushroom (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022 Racoon Run Trail, College Station, Brazos County, Texas, United States
Caps of pale brittlestem mushrooms (Psathyrella candolleana(?)) on dry grass on a forest clearing in Lick Creek Park. College Station, Texas, September 1, 2022 Racoon Run Trail, College Station, Brazos County, Texas, United States
Spores (in Lugol solution) of pale brittlestem mushrooms (Psathyrella candolleana(?)) from dry grass on a forest clearing collected in Lick Creek Park. College Station, Texas, September 1, 2022
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023 Ozona Grill & Bar, 520, Harvey Road, College Station, Brazos County, Texas, 77840, United States
Underside of pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023 Ozona Grill & Bar, 520, Harvey Road, College Station, Brazos County, Texas, 77840, United States
Mature pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Wolf Pen Creek Park. College Station, Texas, April 6, 2023 Rudy's Country Store & Bar-B-Q, 504, Harvey Road, College Station, Brazos County, Texas, 77840, United States
Spores (in KOH) of mature pale brittlestem mushrooms (Psathyrella candolleana) from a lawn, collected a day before in Wolf Pen Creek Park. College Station, Texas, April 7, 2023 Spore size 7.1 - 8.7 × 4.1 - 5 µm, length to width ratio Q = 1.64 - 1.9.
Spores (in KOH) of pale brittlestem mushrooms (Psathyrella candolleana) collected in Bee Creek Park. College Station, Texas, April 26, 2024
Pale brittlestem (Psathyrella candolleana) on a lawn in Lick Creek Park. College Station, Texas, April 27, 2024 Iron Bridge Trail, College Station, Brazos County, Texas, United States