Synonyms: Agaricus acericola, Pholiota acericola.
Agrocybe acericola is a species of fungus that grows on the ground in association with tree roots. In East and Central Texas, it has been found to fruit in late spring and early summer, typically in wooded areas dominated by oak and maple trees. The caps are 2-6 cm in diameter, bell-shaped to convex, and range in color from light brown to tan. The gills are crowded and pale brown, while the stems are slender and fibrillose. This species is considered rare to occasional in the region, with sightings often reported in areas with rich soil and abundant leaf litter.
Mushrooms Agrocybe acericola under a magnolia tree near the creek, in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023
Lone Star Hiking Trail, San Jacinto County, Texas, United States
Mushrooms Agrocybe acericola in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023Lone Star Hiking Trail, San Jacinto County, Texas, United States
Side view of mushrooms Agrocybe acericola in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023Lone Star Hiking Trail, San Jacinto County, Texas, United States
Close-up of mushrooms Agrocybe acericola in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023Lone Star Hiking Trail, San Jacinto County, Texas, United States
Cross section of mushrooms Agrocybe acericola in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 30, 2023Lone Star Hiking Trail, San Jacinto County, Texas, United States
Tissues of mushrooms Agrocybe acericola found under a magnolia tree, collected in Big Creek Scenic Area of Sam Houston National Forest. Texas, April 30, 2023
Cystidia(?) of mushrooms Agrocybe acericola found under a magnolia tree, collected in Big Creek Scenic Area of Sam Houston National Forest. Texas, April 30, 2023
Basidia and basidioles of mushrooms Agrocybe acericola found under a magnolia tree, collected in Big Creek Scenic Area of Sam Houston National Forest. Texas, April 30, 2023
Spores (in KOH) of mushrooms Agrocybe acericola (spore print brown) collected in Big Creek Scenic Area of Sam Houston National Forest. Texas, April 30, 2023
Spores of mushrooms Agrocybe acericola at low magnification, collected in Big Creek Scenic Area of Sam Houston National Forest a day before. Texas, May 1, 2023
Spores of mushrooms Agrocybe acericola collected in Big Creek Scenic Area of Sam Houston National Forest a day before. Texas, May 1, 2023Observations of the fungus Agrocybe acericola in East and Central Texas reveal its presence under a magnolia tree near a creek in the Big Creek Scenic Area of Sam Houston National Forest, Shepherd, Texas. The mushrooms were found on April 30, 2023, with additional observations made the following day. Close-up views show the details of the mushroom's structure, including its cross-section and tissues. Microscopic examination reveals cystidia, basidia, and basidioles, as well as spores that are brown in KOH solution. Spore prints were also collected, with low-magnification images showing the spores' shape and size. The fungus appears to thrive in this specific environment, suggesting a possible symbiotic relationship with the magnolia tree. Further study is needed to fully understand the habits and habitats of Agrocybe acericola in this region.
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