Synonym: Hypholoma longipes.
Common name: Tall Psathyrella.
Extract from Wikipedia article: Psathyrella longipes, the tall Psathyrella, is a species of agaric fungus in the family Psathyrellaceae and the brittlestem genus, Psathyrella. It was originally described as Hypholoma longipes by Charles Horton Peck in 1895; Alexander H. Smith transferred it to Psathyrella in 1941.
Psathyrella longipes is a small to medium-sized fungus with a bell-shaped cap that ranges from 1-4 cm in diameter, typically grayish-brown to brown in color. The gills are crowded and attached to the stem, which is slender and long, often exceeding the cap diameter. In East and Central Texas, Psathyrella longipes has been found growing in clusters on rich soil, decaying wood, and organic matter, particularly in wooded areas with abundant leaf litter and near streams. It typically fruits from spring to fall, with peak activity during the warmer months.
Brittlegill mushrooms Psathyrella longipes together with Desarmillaria caespitosa in wet area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023
Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of a tall Psathyrella mushroom Psathyrella longipes in wet area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Gills of a tall Psathyrella mushroom Psathyrella longipes in wet area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Group of large brittlegill mushrooms Psathyrella longipes in muddy area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Mature brittlegill mushrooms Psathyrella longipes in muddy area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Young and mature brittlegill mushrooms Psathyrella longipes in muddy area on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Cross section brittlegill mushrooms Psathyrella longipes on South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest near Richards. Texas, November 19, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Tissues and a cystidium of brittlegill mushrooms Psathyrella longipes from wet muddy area, collected in Sam Houston National Forest near Richards. Texas, November 19, 2023
Basidia and a cystidium of brittlegill mushrooms Psathyrella longipes from wet muddy area, collected in Sam Houston National Forest near Richards. Texas, November 19, 2023
Spores (in KOH) (spore print dark) of brittlegill mushrooms Psathyrella longipes from wet muddy area, collected in Sam Houston National Forest near Richards. Texas, November 19, 2023Observations of Psathyrella longipes in East and Central Texas reveal that the fungus grows in wet and muddy areas, such as those found on the South Wilderness Loop Trail at Little Lake Creek Wilderness in Sam Houston National Forest. The mushrooms were observed growing alone and in groups, with varying levels of maturity. The gills of the mushroom were noted, as well as the underside of the cap. Microscopic examination revealed tissues, cystidia, basidia, and spores, which were dark in KOH. The fungus was often found in association with Desarmillaria caespitosa. Cross sections of the mushrooms were also examined, providing further insight into their structure. Overall, the observations suggest that Psathyrella longipes thrives in wet environments in East and Central Texas.
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