Synonyms: Agaricus abortivus, Clitopilus abortivus, Pleuropus abortivus, Rhodocybe abortiva, Rhodophyllus abortivum.
Common names: shrimp of the woods, aborted entoloma, Abortive Entoloma.
Extract from Wikipedia article: Entoloma abortivum, commonly known as the aborted entoloma or shrimp of the woods, is an edible mushroom in the Entolomataceae family of fungi. First named Clitopilus abortivus by Miles Joseph Berkeley and Moses Ashley Curtis, it was given its current name by the Dutch mycologist Marinus Anton Donk in 1949.
Entoloma abortivum is a species of pinkish-gray to brownish-gray fungus that grows in clusters on the ground, typically in association with the roots of oak trees. In East and Central Texas, it is commonly found in woodland areas, particularly under live oak and red oak, from spring to fall. The cap is 1-4 cm in diameter, convex to flat, and often has a distinctive umbo. The gills are crowded, pinkish-gray, and attached to the stem. The stem is 2-6 cm tall, slender, and grayish-brown. This fungus is known to form symbiotic relationships with oak tree roots, and its presence can indicate healthy mycorrhizal activity in the ecosystem.
Observations of Entoloma abortivum in East and Central Texas reveal a range of fruiting body forms. Normal specimens were observed on Kirby Trail in Big Thicket National Preserve, while malformed individuals with gastroid or atavistic aberrations were also found. Similar variations were noted on Winters Bayou Trail in Sam Houston National Forest, where dissected specimens showed unusual shapes. The mushrooms were often found near tree roots, and in one instance, an Armillaria mushroom was discovered nearby. The observations span several years, with sightings recorded on November 10, 2013, and December 7, 2019. The variations in fruiting body forms suggest that Entoloma abortivum can exhibit a range of morphologies in East and Central Texas. Malformed specimens were common, with some resembling "popcorn balls" or "ground prunes". Overall, the observations highlight the diversity of Entoloma abortivum in the region.
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