Synonym: Pluteus spilopus.
Pluteus albostipitatus is a species of mushroom characterized by its white to pale yellow cap, often with a darker center, and white gills that become pinkish-brown with age. The stem is typically white, stout, and has a bulbous base. In East and Central Texas, it is commonly found growing on decaying wood, stumps, or other organic matter, particularly in urban areas and along trails. Fruitings often occur from spring to fall, with a peak in late summer. The species can be distinguished from similar Pluteus species by its distinctive stem morphology and the presence of pleurocystidia.
Mushrooms Pluteus albostipitatus(?) on small sticks on a mowed path in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023
San Jacinto County, Texas, United States
Close-up of mushrooms Pluteus albostipitatus(?) on small sticks on a mowed path in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023San Jacinto County, Texas, United States
Caps of mushrooms Pluteus albostipitatus(?) on small sticks on a mowed path in Little Thicket Nature Sanctuary. Cleveland, Texas, April 22, 2023San Jacinto County, Texas, United States
Spores of Pluteus albostipitatus(?) mushrooms collected in Little Thicket Nature Sanctuary a day before. Texas, April 23, 2023
Spores of Pluteus albostipitatus(?) mushrooms from a small stick collected in Little Thicket Nature Sanctuary a day before. Texas, April 23, 2023
Pleated caps of small mushrooms Pluteus albostipitatus(?) or may be P. escharites on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 10, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Small mushrooms Pluteus albostipitatus(?) or may be P. escharites on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, September 10, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Large cystidia of mushrooms Pluteus albostipitatus(?) or may be P. escharites collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Spores and cystidia of mushrooms Pluteus albostipitatus(?) or may be P. escharites collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Tissues of mushrooms Pluteus albostipitatus(?) or may be P. escharites under a microscope in Congo Red, collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Spores of mushrooms Pluteus albostipitatus(?) or may be P. escharites collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Hyphae of mushrooms Pluteus albostipitatus(?) or may be P. escharites collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Tissues and spores of mushrooms Pluteus albostipitatus(?) or may be P. escharites collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023
Spore size 5.33 - 6.1 × 4.3 - 5.3 µm, length to width ratio Q = 1.14 - 1.3.
Spores of mushrooms Pluteus albostipitatus(?) or may be P. escharites in lugol, collected in Sam Houston National Forest near Montgomery. Texas, September 10, 2023Mushrooms resembling Pluteus albostipitatus were observed on small sticks along a mowed path in Little Thicket Nature Sanctuary, Cleveland, Texas, in April 2023. The caps of the mushrooms were pleated and had distinctive spores. Similar mushrooms were found on Caney Creek Trail in Sam Houston National Forest near Montgomery, Texas, in September 2023. Microscopic examination revealed large cystidia and characteristic spores, which were also observed in lugol and Congo Red stains. The hyphae and tissues of the mushrooms were also examined under a microscope. While some observations suggested the possibility of Pluteus escharites, the majority of characteristics pointed towards Pluteus albostipitatus. The findings provide insight into the morphology and habitat of this fungus in East and Central Texas. The species was found to thrive on small sticks and logs in wooded areas.
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