Synonym: Russula nigricans.
Russula eccentrica is a species of mushroom characterized by its small to medium size, 2-6 cm cap diameter, and pinkish-red to reddish-brown cap color. The cap is convex to depressed, often with a low umbo, and the gills are cream-colored to pale yellow. The stem is white to cream-colored, cylindrical, and typically shorter than the cap diameter. In East and Central Texas, Russula eccentrica is commonly found in association with oak and pine trees, particularly in sandy soils and wooded areas. Fruiting bodies typically appear from June to October, with peak abundance in late summer.
Large brittlegill mushrooms Russula eccentrica at the base of an information board pole on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
Dissected large brittlegill mushrooms Russula eccentrica at the base of an information board on Kirby Trail in Big Thicket National Preserve. Warren, Texas, November 10, 2018
Underside of brittlegill mushrooms Russula eccentrica under small oaks in Lick Creek Park. College Station, Texas, July 5, 2019
Brittlegill mushroom Russula eccentrica under small oaks in Lick Creek Park. College Station, Texas, July 5, 2019
Large brittlegill mushroom Russula eccentrica with a toad in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
Underside of a large brittlegill mushroom Russula eccentrica in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
Dissected large brittlegill mushroom Russula eccentrica in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
Mature brittlegill mushroom Russula eccentrica in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 20, 2019
Brittlegill mushrooms Russula eccentrica on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2020
Underside of brittlegill mushrooms Russula eccentrica on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2020
Dissected brittlegill mushrooms Russula eccentrica on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 10, 2020
Cap of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
Underside of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
Gills of blackening brittlegill mushroom (Russula eccentrica) in Lick Creek Park. College Station, Texas, July 1, 2020
Blackening brittlegill mushrooms (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
Blackening brittlegill mushrooms (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, June 5, 2021
Blackening brittlegill mushrooms (Russula eccentrica)(?) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, July 11, 2021
Cross section of blackening brittlegill mushrooms (Russula eccentrica)(?) near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, July 11, 2021
Blackening brittlegill (Russula eccentrica), Lactarius and Phylloporus mushrooms on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
Cross section of blackening brittlegill mushroom (Russula eccentrica) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, July 16, 2021
Gills of a mushroom Russula eccentrica on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
Cross section of a brittlegill mushroom Russula eccentrica on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
Brittlegill mushrooms Russula eccentrica on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
Brittlegill mushrooms Russula eccentrica with a cross section on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, November 28, 2021
Brittlegill mushrooms Russula eccentrica (left) and Russula cortinarioides (right) on a mowed path in a forest in Little Thicket Nature Sanctuary. Cleveland, Texas, June 4, 2022
Brittlegill mushrooms Russula eccentrica in Little Thicket Nature Sanctuary. Cleveland, Texas, June 4, 2022
Large brittlegill mushrooms Russula eccentrica in Little Thicket Nature Sanctuary. Cleveland, Texas, June 4, 2022
Gills of a mushroom Russula eccentrica in Little Thicket Nature Sanctuary. Cleveland, Texas, June 4, 2022The fungus Russula eccentrica was observed in East and Central Texas from 2018 to 2022. The observations were made in various locations, including Big Thicket National Preserve, Lick Creek Park, Sam Houston National Forest, and Little Thicket Nature Sanctuary. The mushrooms were found growing under small oaks, at the base of information boards, and on trails. They were observed in different stages of maturity, from young to mature, and some were dissected to show their underside and gills. The observations took place during various months, including November, July, April, June, and October, indicating that the fungus can be found throughout the year. Some observations noted the presence of other mushroom species alongside Russula eccentrica. Overall, the observations provide a record of the distribution and morphology of Russula eccentrica in East and Central Texas.
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