Synonym: Agaricus longistriatus.
Common name: Pleated Pluteus.
Pluteus longistriatus is a species of fungus that belongs to the family Pluteaceae. It has a bell-shaped to conic cap that ranges from 2-6 cm in diameter, with a striated appearance due to the presence of radial fibers. The cap is typically grayish-brown to brown, and the gills are free from the stem and pinkish-gray to dark gray. The stem is 3-8 cm long and 0.5-1.5 cm thick, with a white to grayish-brown color. In East and Central Texas, Pluteus longistriatus has been found growing in clusters on decaying wood, especially oak and pine, in urban and rural areas, typically during the spring and fall months.
Pleated shield mushrooms (Pluteus longistriatus) in Wolf Pen Creek Park. College Station, Texas, June 27, 2014
Pleated shield mushrooms (Pluteus longistriatus(?)) on wood chips under utility poles in Lemontree Park. College Station, Texas, November 4, 2017
Bee Creek, College Station, TX 77840, USA
Pleated shield mushrooms (Pluteus longistriatus) on mulch in Lick Creek Park. College Station, Texas, March 19, 2018Iron Bridge Trail, College Station, TX 77845, USA
Large pleated shield mushroom (Pluteus longistriatus) on a mulched lawn in Lick Creek Park. College Station, Texas, March 19, 2018Iron Bridge Trail, College Station, TX 77845, USA
Pleated shield mushrooms (Pluteus longistriatus) on rotting wood in Hensel Park. College Station, Texas, April 14, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Pleated Pluteus (Pluteus longistriatus) and inkcap (Coprinopsis cinerea) mushrooms on mulch in Lick Creek Park. College Station, Texas, May 13, 2018Iron Bridge Trail, College Station, TX 77845, USA
Pleated shield mushrooms (Pluteus longistriatus) on mulch on mulch at native plant display behind Nature Center in Lick Creek Park. College Station, Texas, March 11, 2019Lick Creek Park, 13600 Rock Prairie Rd, College Station, TX 77845, USA
Pleated shield mushrooms (Pluteus longistriatus) on rotting wood on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Pleated shield mushrooms (Pluteus longistriatus) on a stump on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, June 19, 2019Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Pleated Pluteus mushrooms (Pluteus longistriatus) on rotting wood in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, June 11, 2020Lone Star Hiking Trail, Cleveland, TX 77328, USA
Caps of pleated Pluteus mushrooms (Pluteus longistriatus) on rotting wood in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, June 11, 2020Lone Star Hiking Trail, Cleveland, TX 77328, USA
Underside of pleated Pluteus mushrooms (Pluteus longistriatus) on rotting wood in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, June 11, 2020Lone Star Hiking Trail, Cleveland, TX 77328, USA
Cap of pleated Pluteus mushroom (Pluteus longistriatus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 10, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Underside of pleated Pluteus mushroom (Pluteus longistriatus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 10, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Gills of pleated Pluteus mushroom (Pluteus longistriatus) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 10, 2020Lone Star Hiking Trail, Montgomery, TX 77356, USA
Pleated Pluteus mushrooms (Pluteus longistriatus) on an oak log in Lick Creek Park. College Station, Texas, August 8, 2020Raccoon Run, College Station, TX 77845, USA
Underside of mushrooms Pluteus longistriatus on an oak log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020Big Creek Trail, Shepherd, TX 77371, USA
Mature mushrooms Pluteus longistriatus on an oak log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020Big Creek Trail, Shepherd, TX 77371, USA
Caps of mature mushrooms Pluteus longistriatus on an oak log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020Big Creek Trail, Shepherd, TX 77371, USA
Close-up of caps of mature mushrooms Pluteus longistriatus on an oak log in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, September 12, 2020Big Creek Trail, Shepherd, TX 77371, USA
Underside of pleated Pluteus mushroom (Pluteus longistriatus)(?) on a stick on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Gills of pleated Pluteus mushroom (Pluteus longistriatus)(?) on a stick on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Cap of pleated Pluteus mushroom (Pluteus longistriatus)(?) on a stick on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, June 22, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Pleated Pluteus mushrooms (Pluteus longistriatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Underside of pleated Pluteus mushrooms (Pluteus longistriatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Caps of pleated Pluteus mushrooms (Pluteus longistriatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Gills of pleated Pluteus mushrooms (Pluteus longistriatus) on an oak log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, July 4, 2021Little Lake Creek Loop Trail, Montgomery, TX 77356, USA
Pleated Pluteus mushrooms (Pluteus longistriatus) on a mossy fallen oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, August 20, 2021Lone Star Hiking Trail, Montgomery, TX 77356, USA
Pleated Pluteus mushrooms (Pluteus longistriatus) on rotting wood on a shore of a lake on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, June 26, 2022Lone Star Hiking Trail, Walker County, Texas, United States
Caps of pleated Pluteus mushrooms (Pluteus longistriatus) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, June 26, 2022Lone Star Hiking Trail, Walker County, Texas, United States
Spores and cystidia of mushrooms Pluteus longistriatus at low magnification collected on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, June 26, 2022
Spores and basidia of mushrooms Pluteus longistriatus collected on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, June 26, 2022
Spores of mushrooms Pluteus longistriatus collected on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, June 26, 2022
Onion-stalk Lepiota mushrooms (Leucocoprinus cepistipes) together with Pluteus longistriatus on a rotten oak log near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, August 20, 2022Lone Star Hiking Trail, Montgomery County, Texas, United States
Pleated Pluteus mushrooms (Pluteus longistriatus) on a log on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 23, 2023Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States
Pleated Pluteus mushroom (Pluteus longistriatus) on a fallen oak near Pole Creek on North Wilderness Trail of Little Lake Creek Wilderness in Sam Houston National Forest north from Montgomery. Texas, April 14, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Spores (in KOH) of a mushroom Pluteus longistriatus collected a day before in Sam Houston National Forest north from Montgomery. Texas, April 15, 2023
Spores of a mushroom Pluteus longistriatus from an oak log collected a day before in Sam Houston National Forest north from Montgomery. Texas, April 15, 2023
Caps of Pluteus longistriatus(?) mushrooms at the base of a burned oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 28, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Gills of Pluteus longistriatus(?) mushrooms at the base of a burned oak on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 28, 2023Lone Star Hiking Trail, Montgomery County, Texas, United States
Spores of Pluteus longistriatus(?) mushroom in KOH (spore print brown) from the base of a burned oak collected Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, April 28, 2023The fungus Pluteus longistriatus was observed in East and Central Texas over several years (2014-2023). A total of 41 observations were recorded in various locations within the Sam Houston National Forest, including trails and wilderness areas. The mushrooms were found growing on rotting wood, oak logs, and mossy fallen oaks. Observations were made during different seasons, with most records from spring to fall. Some observations included microscopic examinations of spores and cystidia, confirming the identity of the species. The fungus was often found in association with other mushroom species. The observations suggest that Pluteus longistriatus is a common species in the region, preferring deciduous substrates, particularly oak. The records provide valuable information on the distribution and ecology of this fungal species in East and Central Texas.
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