Synonym: Astrosporina asterospora.
Common name: star fibrecap.
Inocybe asterospora is a species of mushroom that belongs to the genus Inocybe. It has a conical to bell-shaped cap, typically 1-4 cm in diameter, with a fibrillose to scaly surface that ranges in color from brown to grayish-brown. The gills are crowded and attached to the stem, which is slender and often curved. This fungus is found in association with various tree species, including oak, pine, and cedar. In East and Central Texas, Inocybe asterospora has been collected in wooded areas, particularly in regions with rich soil and abundant leaf litter, during the spring and fall months when temperatures are mild and rainfall is adequate. The fruiting bodies typically appear singly or in small groups on the ground, often near the base of trees.
Star fibrecap mushrooms (Inocybe asterospora(?)) in deep shade in Lick Creek Park. College Station, Texas, June 28, 2019
1409 Torrey Pines Court, College Station, TX 77845, USA
Star fibrecap mushrooms (Inocybe asterospora(?)) in a forest in Washington-on-the-Brazos State Historic Site. Washington, Texas, July 6, 201923200 Park Rd, Washington, TX 77880, USA
Star fibrecap mushrooms (Inocybe asterospora)(?) in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Close-up of star fibrecap mushrooms (Inocybe asterospora)(?) in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Spores of star fibrecap mushrooms (Inocybe asterospora)(?) (spore print brown) collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022
Spores of star fibrecap mushrooms (Inocybe asterospora)(?) under a microscope collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022Observations of Inocybe asterospora in East and Central Texas reveal that the fungus grows in deep shade and wet areas. In Lick Creek Park, College Station, and Washington-on-the-Brazos State Historic Site, the mushrooms were found in shaded forests. Similarly, in Sam Houston National Forest, they were spotted in a wet area on Caney Creek Trail. The mushrooms were observed on different dates: June 28, 2019, July 6, 2019, and May 29, 2022. Close-up observations and spore prints revealed brown spores, which were also examined under a microscope. The consistent presence of Inocybe asterospora in these regions suggests that it may thrive in the humid and shaded environments found in East and Central Texas. The fungus appears to be relatively common in these areas, with multiple sightings over several years.
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