Synonyms: Agaricus arenarius, Agaricus fertilis, Agaricus lividus, Agaricus phonospermus, Agaricus sinuatus, Entoloma camelinum, Entoloma eulividum, Entoloma lividum, Rhodophyllus lividus, Rhodophyllus sinuatus.
Common name: livid pinkgill.
Extract from Wikipedia article: Entoloma sinuatum (commonly known as the livid entoloma, livid agaric, livid pinkgill, leaden entoloma, and lead poisoner) is a poisonous mushroom found across Europe and North America. Some guidebooks refer to it by its older scientific names of Entoloma lividum or Rhodophyllus sinuatus. The largest mushroom of the genus of pink-spored fungi known as Entoloma, it is also the type species. Appearing in late summer and autumn, fruit bodies are found in deciduous woodlands on clay or chalky soils, or nearby parklands, sometimes in the form of fairy rings. Solid in shape, they resemble members of the genus Tricholoma. The ivory to light grey-brown cap is up to 20 cm (7.9 in) across with a margin that is rolled inward. The sinuate gills are pale and often yellowish, becoming pink as the spores develop. The thick whitish stem has no ring.
Basque: Azpiarrosa maltzur, Belarusian: Энталома выемчатапласціністая, Bulgarian: Отровна сливовка, Croatian: Olovasta rudoliska, Czech: Závojenka olovová, Dutch: Giftige satijnzwam, Finnish: Isorusokas, Georgian: ცრუ ქამა, German: Riesen-Rötling, Hungarian: Nagy döggomba, Japanese: イッポンシメジ, Kashubian: Trëjący bełtk, Lithuanian: Stambioji gijabudė, Pashto: اېنټولوما سیڼواټوم, Polish: Dzwonkówka trująca, Russian: Энтолома ядовитая, Serbian: Оловаста рудолиска, Slovak: Hodvábnica veľká, Slovenian: Velika rdečelistka, Swedish: Bolmörtsskivling, Ukrainian: Ентолома жовтувато-сиза отруйна.
Entoloma sinuatum is a species of pink-gilled fungus that grows in fields, meadows, and woodland edges. In East and Central Texas, it typically fruits from April to October, often in association with grasses and other herbaceous vegetation. The cap is 2-6 cm in diameter, bell-shaped to convex, and grayish-brown to tan with a wrinkled or fibrous appearance. The gills are pink to reddish-pink, sinuate, and moderately crowded. The stem is 3-8 cm tall, 0.5-1.5 cm thick, and white to pale gray with a cottony or fibrous base. Entoloma sinuatum can be found in a variety of habitats in East and Central Texas, including prairies, savannas, and open woodlands.
Large cap of livid pinkgill mushroom (Entoloma sinuatum) near the road in Little Thicket Nature Sanctuary (spore print pink, gills turn light brown after drying). Cleveland, Texas, April 22, 2023
San Jacinto County, Texas, United States
Underside of livid pinkgill mushroom (Entoloma sinuatum) near the road in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023San Jacinto County, Texas, United States
Gills of livid pinkgill mushroom (Entoloma sinuatum) in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023San Jacinto County, Texas, United States
Cross section of livid pinkgill mushroom (Entoloma sinuatum) in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023San Jacinto County, Texas, United States
Spores (in lugol) of livid pinkgill mushroom (Entoloma sinuatum) collected in Little Thicket Nature Sanctuary a day before. Texas, April 23, 2023
Spores (in KOH) of livid pinkgill mushroom (Entoloma sinuatum) collected in Little Thicket Nature Sanctuary a day before. Texas, April 23, 2023
Spore size 7.9 - 8.7 × 7 - 7.7 µm, length to width ratio Q = 1.1 - 1.18.Observations of Entoloma sinuatum in East and Central Texas reveal distinct characteristics. A large cap of the livid pinkgill mushroom was found near a road in Little Thicket Nature Sanctuary, Cleveland, Texas, on April 22, 2023. The spore print was pink, and the gills turned light brown after drying. The underside and cross-section of the mushroom were also examined. Spores collected a day earlier were studied in lugol and KOH, providing further insight into the species' morphology. The observations suggest that Entoloma sinuatum can be identified by its pink spore print and distinctive gill coloration, which changes upon drying. These characteristics are consistent with previous descriptions of the species, confirming its presence in East and Central Texas. The findings provide valuable information for mycologists and naturalists studying fungi in this region.
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