Synonyms: Amanita alba, Amanita thiersii, Aspidella alba, Aspidella thiersii.
Common name: Thiers' Lepidella.
Extract from Wikipedia article: Saproamanita thiersii (formerly Amanita thiersii), commonly called Thiers' lepidella, is a North-American saprotrophic basidiomycete fungus in the genus Saproamanita. It is a white mushroom originally described from Texas but today found in nine states of North America. It was named after Harry Delbert Thiers. The cap of this small mushroom is white and convex, measuring 35–100 mm (1.4–3.9 in) and covered by volval remnants. It is sticky to the touch when wet. The gills are variable in length and number and are densely packed in some specimens and widely spaced in others. They are not attached to the stipe, which is 8–20 cm (3–8 in) long and about 1 cm (0.4 in) thick, with a white ring. The spores measure 7.8–9.8 by 7.3–9.0 µm and are roughly spherical in shape. The spore print is white.
Saproamanita thiersii is a species of fungus in the family Amanitaceae. It is a saprotrophic fungus that grows in association with trees, typically oaks and pines. In East and Central Texas, Saproamanita thiersii has been found to fruit in the summer and fall months, often in sandy or clay soils. The fungus produces small to medium-sized mushrooms with a rounded cap that ranges in color from yellowish-brown to reddish-brown, and a white or yellowish stem. It is considered a rare species, but has been documented in several counties in East and Central Texas, including Brazos, Grimes, and Houston counties.
Thiers' lepidella (Amanita thiersii, Saproamanita thiersii) mushroom with volval remnants on a field near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013
Washington-on-the-Brazos State Historic Site, Farm-to-Market Road 1155, Washington, Washington County, Texas, 77880, United States
Thiers' lepidella (Amanita thiersii, Saproamanita thiersii) mushroom on a field near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013Washington-on-the-Brazos State Historic Site, Farm-to-Market Road 1155, Washington, Washington County, Texas, 77880, United States
Thiers' lepidella (Amanita thiersii, Saproamanita thiersii) mushroom covered by volval remnants near Loop Trail in Washington-on-the-Brazos State Historic Site. Washington, Texas, October 6, 2013Washington-on-the-Brazos State Historic Site, Farm-to-Market Road 1155, Washington, Washington County, Texas, 77880, United States
Thiers lepidella mushroom (Amanita thiersii, Saproamanita thiersii) with volval remnants on a forest road near Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018Forest Service Rd 203, Montgomery, TX 77356, USA
Thiers lepidella mushroom (Amanita thiersii, Saproamanita thiersii) on a forest road near Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018Forest Service Rd 203, Montgomery, TX 77356, USA
Dissected Amanita thiersii (Saproamanita thiersii) mushroom on a forest road near Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, May 23, 2018Forest Service Rd 203, Montgomery, TX 77356, USAObservations of Saproamanita thiersii in East and Central Texas reveal that the fungus can be found in various habitats, including fields and forest roads. In Washington, Texas, it was observed on a field near Loop Trail in Washington-on-the-Brazos State Historic Site, with volval remnants present on the mushroom. Similarly, in Richards, Texas, it was found on a forest road near Little Lake Creek Loop Trail in Sam Houston National Forest, also with volval remnants. The mushrooms were observed in different stages, including some covered by volval remnants and others dissected, providing insight into their morphology. The observations were made on different dates, including October 6, 2013, and May 23, 2018, suggesting that the fungus can be active during various times of the year. The presence of Saproamanita thiersii in these regions highlights its distribution in East and Central Texas.
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