Synonyms: Russula foetens, Russula laurocerasi, Russula subfoetens.
Common names: bitter almond brittlegill, Almond-scented Russula.
Russula grata is a species of mushroom characterized by its pink to reddish-brown cap, white gills, and white spores. In East and Central Texas, it typically fruits in late summer to early fall, often associated with oak and pine trees. The cap ranges from 3-6 cm in diameter, and the stem is 3-6 cm long and 1-2 cm thick. It has a mild taste and no distinctive odor.
Bitter almond brittlegill mushrooms (Russula grata) in leaves on a sandy path in Lick Creek Park. College Station, Texas, September 15, 2020
Iron Bridge Trail, College Station, TX 77845, USA
Cross section of bitter almond brittlegill mushrooms (Russula grata) in Lick Creek Park. College Station, Texas, September 15, 2020Iron Bridge Trail, College Station, TX 77845, USA
Russula grata and Russula grata mushrooms on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 19, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Brittlegill mushrooms Russula grata on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Brittlegill mushrooms Russula grata on floodplain on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, October 24, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Bitter almond brittlegill mushrooms (Russula grata) in Lick Creek Park. College Station, Texas, April 27, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Gills of bitter almond brittlegill mushrooms (Russula grata) in Lick Creek Park. College Station, Texas, April 27, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Cross section of bitter almond brittlegill mushrooms (Russula grata) in Lick Creek Park. College Station, Texas, April 27, 2023Iron Bridge Trail, College Station, Brazos County, Texas, United States
Spores of brittlegill mushrooms Russula grata collected a day before in Lick Creek Park. College Station, Texas, April 28, 2023
Bitter almond brittlegill mushrooms (Russula grata)(?) 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 StatesObservations of Russula grata in East and Central Texas show the fungus grows in various environments, including sandy paths and floodplains. In Lick Creek Park, College Station, it was found on September 15, 2020, and again on April 27, 2023. The mushrooms were also spotted in Sam Houston National Forest, specifically on Caney Creek Trail, on September 19, 2020, October 24, 2020, and August 18, 2024. The fungus was observed in different stages, including cross-sections and spores, which were collected and examined. Additionally, the mushrooms were exposed to ultraviolet (UV-A) blacklight, revealing their reaction to different light conditions. Overall, Russula grata appears to thrive in these regions, with sightings occurring across multiple seasons and locations. The observations highlight the fungus's adaptability and presence in various habitats within East and Central Texas.
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