Synonym: Russula graminicolor.
Common name: green brittlegill.
Extract from Wikipedia article: Russula aeruginea, also known as the grass-green Russula, the tacky green Russula, or the green Russula, is an edible Russula mushroom. Widely distributed in northern temperate regions, it is usually found under birch, mostly in pine forests. The very poisonous death cap can have a similar appearance, especially from above.
Czech: Holubinka trávozelená, Estonian: Kasepilvik, Finnish: Koivuhapero, Georgian: მტრედიო, German: Grasgrüner Täubling, Hungarian: Fűzöld galambgomba, Lithuanian: Pilkšvažalė ūmėdė, Norwegian: Grønnkremle, Polish: Gołąbek białozielonawy, Romanian: Vinețica porcului, Russian: Сыроежка зелёная, Slovenian: Zelena golobica, Swedish: Grönkremla, Ukrainian: Сироїжка зелена велика.
Russula aeruginea is a species of mushroom characterized by its greenish-blue to bluish-green cap, which can reach up to 10 cm in diameter, and its white to cream-colored gills and stipe. In East and Central Texas, it typically fruits from May to October, often in association with oak and pine trees. The cap's color can fade to pale blue or grayish-blue with age, and the flesh is white and firm. It has a mild to slightly sweet taste and a pleasant odor.
Green brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, May 30, 2018
Iron Bridge Trail, College Station, TX 77845, USA
Gills of a brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, May 30, 2018Iron Bridge Trail, College Station, TX 77845, USA
Green brittlegill mushroom Russula aeruginea on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, July 13, 2018Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Greenish brittlegill mushrooms Russula aeruginea(?) in Lick Creek Park. College Station, Texas, June 28, 2019Iron Bridge Trail, College Station, TX 77845, USA
Gills and dirty green caps of brittlegill mushrooms Russula aeruginea(?) in Lick Creek Park. College Station, Texas, June 28, 2019Iron Bridge Trail, College Station, TX 77845, USA
Green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021Lone Star Hiking Trail, Walker County, Texas, United States
Underside of green brittlegill mushroom (Russula aeruginea) on Four Notch Loop Trail of Sam Houston National Forest near Huntsville. Texas, October 24, 2021Lone Star Hiking Trail, Walker County, Texas, United States
Pink together with green brittlegill mushroom Russula aeruginea in Lick Creek Park. College Station, Texas, October 28, 2021Iron Bridge Trail, College Station, Brazos County, Texas, United States
Green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022Iron Bridge Trail, College Station, Brazos County, Texas, United States
Underside of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022Iron Bridge Trail, College Station, Brazos County, Texas, United States
Cross section of green brittlegill mushroom (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022Iron Bridge Trail, College Station, Brazos County, Texas, United States
Young green brittlegill mushrooms (Russula aeruginea) under dry leaves on a sandy path in Lick Creek Park. College Station, Texas, May 13, 2022Racoon Run Trail, College Station, Brazos County, Texas, United States
Underside of young green brittlegill mushrooms (Russula aeruginea) in Lick Creek Park. College Station, Texas, May 13, 2022Racoon Run Trail, College Station, Brazos County, Texas, United States
Spores of green brittlegill mushroom (Russula aeruginea) (larger) under a microscope, collected in Lick Creek Park. College Station, Texas, May 13, 2022
Spores of green brittlegill mushroom (Russula aeruginea) (larger) in iodine solution Lugol, collected in Lick Creek Park. College Station, Texas, May 13, 2022
Green brittlegill mushroom (Russula aeruginea(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Underside of green brittlegill mushroom (Russula aeruginea(?)) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 3, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Spores of of green brittlegill mushroom (Russula aeruginea(?)) collected in Sam Houston National Forest near Montgomery. Texas, July 3, 2022
Green brittlegill mushroom (Russula aeruginea) in wet area on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 28, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Green brittlegill mushrooms (Russula aeruginea) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, August 28, 2022Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Green brittlegill mushroom (Russula aeruginea) with east Texas toad on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, September 18, 2022Lone Star Hiking Trail, Montgomery County, Texas, United States
Green brittlegill mushrooms (Russula aeruginea) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, August 18, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Green brittlegill mushroom (Russula aeruginea) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 13, 2024Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United StatesObservations of Russula aeruginea in East and Central Texas were made in various locations, including Lick Creek Park in College Station and Sam Houston National Forest near Huntsville and Montgomery. The mushroom was found growing in a variety of environments, including under dry leaves on sandy paths and in wet areas. It was observed at different times of the year, from May to September, with multiple sightings in June, July, August, and September. The mushrooms were often found in groups, with some observations noting young specimens under dry leaves. Microscopic examination of spores was also conducted, with samples collected from Lick Creek Park and Sam Houston National Forest. Additionally, the mushrooms were observed to fluoresce under ultraviolet (UV-A) blacklight. Overall, the observations suggest that Russula aeruginea is a relatively common species in East and Central Texas.
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