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Fungi: Basidiomycota: Agaricomycetes: Russulales: Russulaceae: Lactarius argillaceifolius Hesler & A.H.Sm.

Lactarius argillaceifolius

Extract from Wikipedia article: Lactarius argillaceifolius is a species of fungus in the Russulaceae family. The mushrooms produced by the fungus have convex to flattened drab lilac-colored caps that are up to 18 cm (7.1 in) wide. The cream-colored gills are closely spaced together and extend slightly down the length of the stem, which is up to 9 cm (3.5 in) long by 3.5 cm (1.4 in) thick. The mushroom produces an off-white latex when injured that stains the mushroom tissue brownish.

AI-generated description

Lactarius argillaceifolius is a small to medium-sized mushroom with a velvety, clay-colored cap and white to pale yellow gills. It has a mild to slightly sweet odor and taste. In East and Central Texas, it typically fruits in late summer to early fall, often associated with oak and pine trees. The fungus can be found in a variety of habitats, including woodland edges, savannas, and along roadsides. Its distribution in the region appears to be widespread, with collections reported from several counties, including Brazos, Grimes, and Leon.

Photos of this mushroom from East and Central Texas

Milkcap mushrooms <B>Lactarius argillaceifolius</B> collected by people at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, <A HREF="../date-en/2018-11-03.htm">November 3, 2018</A>
LinkMilkcap mushrooms Lactarius argillaceifolius collected by people at mushroom walk of Gulf States Mycological Society. Little Thicket Nature Sanctuary, Cleveland, Texas, November 3, 2018
Location on mapsSam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Dissected milkcap mushroom <B>Lactarius argillaceifolius</B> in Little Thicket Nature Sanctuary. Cleveland, Texas, <A HREF="../date-en/2018-11-03.htm">November 3, 2018</A>
LinkDissected milkcap mushroom Lactarius argillaceifolius in Little Thicket Nature Sanctuary. Cleveland, Texas, November 3, 2018
Location on mapsSam Houston National Forest, 394 FM 1375, New Waverly, TX 77358, USA
Milkcap mushroom <B>Lactarius argillaceifolius</B> in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-10-11.htm">October 11, 2020</A>
LinkMilkcap mushroom Lactarius argillaceifolius in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 11, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Gills of a milkcap mushroom <B>Lactarius argillaceifolius</B> in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-10-11.htm">October 11, 2020</A>
LinkGills of a milkcap mushroom Lactarius argillaceifolius in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 11, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA
Cross section of a milkcap mushroom <B>Lactarius argillaceifolius</B> in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, <A HREF="../date-en/2020-10-11.htm">October 11, 2020</A>
LinkCross section of a milkcap mushroom Lactarius argillaceifolius in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, October 11, 2020
Location on mapsLone Star Hiking Trail, Coldspring, TX 77331, USA

AI-generated summary of observations

Observations of the fungus Lactarius argillaceifolius in East and Central Texas reveal its presence in various locations. In Little Thicket Nature Sanctuary, Cleveland, Texas, on November 3, 2018, milkcap mushrooms were collected during a mushroom walk, and dissected to examine their internal structure. Similar sightings were recorded in Big Creek Scenic Area of Sam Houston National Forest, Shepherd, Texas, on October 11, 2020, where the gills and cross-section of the mushroom were observed. The fungus was found to be present in both areas, with notable observations of its morphology, including the color and arrangement of its gills. These findings suggest that Lactarius argillaceifolius is a relatively common species in East and Central Texas, and can be found in wooded areas during the fall season. Further study is needed to fully understand its distribution and habits.

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