Agaricus vinosobrunneofumidus is a species of mushroom characterized by its medium to large size, convex to flat cap that ranges in color from reddish-brown to dark brown, and pinkish-brown to chocolate-brown gills. It has a stout stem with a bulbous base and a ring that may be absent or faint. In East and Central Texas, this fungus typically fruits in the fall, often in association with live oak and other hardwood trees, particularly in areas with rich soil and abundant organic matter. Specimens from this region tend to have a stronger, more pungent odor and a slightly smaller size compared to those found in other parts of North America.
Agaricus sect. Subrutilescentes(?) or may be Agaricus vinosobrunneofumidus mushrooms in Huntsville State Park. Texas, October 27, 2018
Huntsville State Park, 565 Park Road 40 west, Huntsville, TX 77340, USA
Inkcap mushroom Agaricus vinosobrunneofumidus in a low-lying area near the creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 16, 2020N Wilderness Trail, Montgomery, TX 77356, USA
Side view of inkcap mushroom Agaricus vinosobrunneofumidus on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 16, 2020N Wilderness Trail, Montgomery, TX 77356, USA
Cross section of inkcap mushroom Agaricus vinosobrunneofumidus on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 16, 2020N Wilderness Trail, Montgomery, TX 77356, USA
Mushroom Agaricus vinosobrunneofumidus under leaves of Hymenocallis occidentalis in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Cap pattern of a mushroom Agaricus vinosobrunneofumidus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Side view of a mushroom Agaricus vinosobrunneofumidus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Underside of a mushroom Agaricus vinosobrunneofumidus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Gills of a mushroom Agaricus vinosobrunneofumidus in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Mushroom Agaricus vinosobrunneofumidus on black background in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Dissected mushroom Agaricus vinosobrunneofumidus on black background in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 25, 2020Big Creek Trail, Shepherd, TX 77371, USA
Cap of Agaricus vinosobrunneofumidus mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Brown gills of Agaricus vinosobrunneofumidus mushroom on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, May 23, 2020Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Agaricus vinosobrunneofumidus(?) 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, USAObservations of the fungus Agaricus vinosobrunneofumidus were made in East and Central Texas. In Huntsville State Park, possible Agaricus sect. Subrutilescentes or Agaricus vinosobrunneofumidus mushrooms were found on October 27, 2018. In Sam Houston National Forest, inkcap mushrooms were observed in low-lying areas near creeks, such as North Wilderness Trail and Caney Creek Trail, between April and September 2020. The mushrooms were often found under leaves or in shaded areas, with distinctive cap patterns, brown gills, and a characteristic cross-section. Multiple observations were made at Big Creek Scenic Area, where the mushrooms were photographed from various angles, including side views, underside, and dissected specimens on black backgrounds. These observations provide valuable insights into the habitat and morphology of Agaricus vinosobrunneofumidus in East and Central Texas.
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