Synonyms: Agaricus strombodes, Chrysomphalina strombodes, Clitocybe strombodes, Omphalia strombodes, Omphalina strombodes.
Common name: golden-gilled gerronema.
Gerronema strombodes is a species of fungus that belongs to the family Marasmiaceae. It is characterized by its small to medium-sized fruiting bodies, typically 1-4 cm in diameter, with a bell-shaped to convex cap and a long, slender stipe. The cap is often wavy or lobed, and the gills are crowded and attached to the stipe. In East and Central Texas, Gerronema strombodes has been found growing on decaying wood, particularly oak and pine, in a variety of habitats, including forests, woodlands, and along streams. It typically fruits from spring to fall, with peak activity during the summer months.
Gerronema strombodes mushroom on a rotting twig on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Gills of a yellow Gerronema strombodes mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Gerronema strombodes mushroom with its mycelium on a twig on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Cap of Gerronema strombodes mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Side view of Gerronema strombodes mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Underside of Gerronema strombodes mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018
Mushrooms Gerronema strombodes on rotting wood in Bee Creek Park. College Station, Texas, September 12, 2018
Gerronema strombodes mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Gerronema strombodes mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, September 15, 2018
Gerronema strombodes mushrooms at Center for Biological Field Studies on Fish Hatchery Road. Huntsville, Texas, September 16, 2018
Gills of Gerronema strombodes mushrooms at Center for Biological Field Studies on Fish Hatchery Road. Huntsville, Texas, September 16, 2018
Young Gerronema strombodes mushrooms on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
Gerronema strombodes mushrooms on rotten pine on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, September 30, 2018
Gerronema strombodes mushrooms on Lone Star Hiking Trail south from Stubblefield Campground in Sam Houston National Forest. Huntsville, Texas, October 13, 2018
Golden-gilled gerronema mushrooms (Gerronema strombodes) on rotting wood in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020
Golden-gilled gerronema mushrooms (Gerronema strombodes) on submerged wood in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, May 30, 2020
Gerronema strombodes mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Underside of Gerronema strombodes mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Gerronema strombodes mushrooms on a pine log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 11, 2020
Golden-gilled gerronema mushrooms (Gerronema strombodes) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, September 18, 2020
Gerronema strombodes mushrooms on a pine log on Chinquapin Trail in Huntsville State Park. Texas, September 24, 2020
Side view of mushrooms Gerronema strombodes on a stick in Hensel Park. College Station, Texas, June 3, 2021
Golden-gilled gerronema mushrooms (Gerronema strombodes) in area of Old Washington Town Site in Washington-on-the-Brazos State Historic Site. Washington, Texas, June 6, 2021
Golden-gilled gerronema mushrooms (Gerronema strombodes) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022
Spores of mushrooms Gerronema strombodes collected on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 29, 2022
Golden-gilled gerronema mushrooms (Gerronema strombodes) on a stick on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, August 27, 2022
Golden-gilled gerronema mushrooms (Gerronema strombodes) on pieces of wood on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, September 3, 2022
Golden-gilled gerronema mushrooms (Gerronema strombodes) with a frog on a stump on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Golden-gilled gerronema mushrooms (Gerronema strombodes) on a stump on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Underside of golden-gilled gerronema mushrooms (Gerronema strombodes) on a stump on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024
Mushrooms Gerronema strombodes when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, September 7, 2024The fungus Gerronema strombodes was observed in East and Central Texas on multiple occasions between July 2018 and September 2024. The sightings were primarily in Sam Houston National Forest, with additional observations in Huntsville State Park, Bee Creek Park, Hensel Park, and Washington-on-the-Brazos State Historic Site. The mushrooms were typically found on rotting wood, twigs, or pine logs, often near creeks or trails. Observations included various views of the mushroom's cap, gills, and mycelium, as well as its appearance under UV-A blacklight. The fungus was consistently described as having golden-gilled caps, with some observations noting its yellow or golden color. The observations suggest that Gerronema strombodes is a common species in the region, thriving in humid environments with abundant decaying organic matter.
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