Synonyms: Agaricus appendiculatus, Agaricus candolleanus, Agaricus catarius, Agaricus egenulus, Agaricus felinus, Agaricus stipatus, Agaricus vinosus, Agaricus violaceolamellatus, Drosophila appendiculata, Drosophila candolleana, Hypholoma appendiculatum, Hypholoma candolleanum, Hypholoma catarium, Hypholoma egenulum, Hypholoma felinum, Hypholomopsis appendiculata, Psathyra appendiculata, Psathyra candolleana, Psathyra corrugis, Psathyra tuberosa, Psathyrella appendiculata, Psathyrella corrugis, Psathyrella egenula, Psathyrella elegans, Psathyrella microlepidota, Psathyrella proxima.
Common name: pale brittlestem.
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.
Dutch: Bleke franjehoed, Finnish: Kalvashaprakas, French: Psathyrelle de De Candolle, German: Behangener Mürbling, Hungarian: Fehér porhanyósgomba, Lithuanian: Dekandolio trapiabudė, Polish: Kruchaweczka zaroślowa, Romanian: Bureți nebuni, Russian: Псатирелла Кандолля, Serbian: Бела слабуњавка, Swedish: Vitspröding.
Psathyrella candolleana is a species of mushroom that grows in clusters or rings on rich soil, dung, or decaying organic matter. In East and Central Texas, it typically fruits from spring to fall, with a peak in late summer. The cap is 2-6 cm in diameter, bell-shaped to conic, and ranges in color from brown to grayish-brown, often with a lighter margin. The gills are crowded, narrow, and attached to the stem, which is slender, hollow, and typically the same color as the cap. The spore print is dark brown to purple-brown. This fungus can be found in lawns, pastures, and along roadsides, particularly in areas with rich soil and abundant moisture.
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, 20171148, 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, 2017698, Francis Drive, College Station, Brazos County, Texas, 77840, United States
Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, February 15, 20181705 Valley View Dr, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Bee Creek Park. College Station, Texas, June 10, 2019Bee 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, 2019Bee Creek Park, 1900 Anderson St, College Station, TX 77840, USA
Brittlestem mushrooms Psathyrella candolleana in Lick Creek Park. College Station, Texas, July 5, 2019Raccoon 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, 2020Lake 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, 2020Lake Somerville Trailway, Somerville, TX 77879, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Lick Creek Park. College Station, Texas, June 2, 2020Raccoon Run, College Station, TX 77845, USA
Pale brittlestem mushrooms (Psathyrella candolleana) on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020Bee 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, 2020Bee Creek, College Station, TX 77840, USA
Pale brittlestem mushrooms (Psathyrella candolleana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 2, 2020Old 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, 2020Old 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, 2021Texas 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, 2021Lone 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, 2021Lone 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, 20221899, 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, 20221998, 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, 2022Racoon 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, 2022Racoon 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, 2022Racoon 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, 2023Ozona 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, 2023Ozona 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, 2023Rudy'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, 2024Iron Bridge Trail, College Station, Brazos County, Texas, United StatesThe fungus Psathyrella candolleana was observed in East and Central Texas from 2017 to 2024. The majority of sightings were in College Station, particularly in Bee Creek Park, Lick Creek Park, and Wolf Pen Creek Park. The mushrooms were typically found on lawns or grassy areas. Observations occurred throughout the year, with multiple sightings in November, April, June, and September. Some observations included detailed descriptions of the mushrooms' morphology, such as gills and spores. The fungus was also spotted in other locations, including Washington-on-the-Brazos State Historic Site and Sam Houston National Forest. Overall, Psathyrella candolleana appears to be a common species in the region, with a wide distribution and frequent appearances throughout the year.
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