Synonyms: Lentinus fulvidus, Lentinus miserculus, Lentinus pholiotoides, Lentinus sulcatus, Neolentinus sulcatus, Panus fulvidus, Pleurotus sulcatus, Pocillaria misercula, Pocillaria sulcata.
Common names: sunray sawgill, Sulcate Sunhead.
Extract from Wikipedia article: Heliocybe is an agaric genus closely allied to Neolentinus and the bracket fungus, Gloeophyllum, all of which cause brown rot of wood. Heliocybe sulcata, the type and sole species, is characterized by thumb-sized, tough, revivable, often dried, mushroom fruitbodies, with a tanned symmetric pileus that is radially cracked into a cartoon sun-like pattern of arranged scales and ridges, distant serrated lamellae, and a scaly central stipe. Microscopically it differs from Neolentinus by the absence of clamp connections. Like Neolentinus, it produces abundant, conspicuous pleurocystidia. Heliocybe sulcata typically fruits on decorticated, sun-dried and cracked wood, such as fence posts and rails, vineyard trellises in Europe, branches in slash areas, and semi-arid areas such on sagebrush or on naio branches in rain shadow areas of Hawaii, or in open pine forests.
Arabic: هيليوسيب, Swedish: Heliocybe.
Heliocybe sulcata is a small to medium-sized fungus with a bell-shaped to convex cap that ranges in color from yellowish-brown to reddish-brown, often with a distinctive sulcate or grooved appearance. It has a slender stem and white to yellowish gills. In East and Central Texas, Heliocybe sulcata typically grows in clusters on decaying wood, especially hardwoods like oak and elm, from spring to fall. The fungus is relatively common in the region's wooded areas, including urban parks and riparian zones.
Tough mushroom Heliocybe sulcata on an oak log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, February 25, 2018
906 Ashburn Ave, College Station, TX 77840, USA
Heliocybe sulcata mushrooms on an oak log in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, February 25, 2018906 Ashburn Ave, College Station, TX 77840, USA
Upper view of Heliocybe sulcata mushrooms on a dry bush in Hensel Park. College Station, Texas, April 14, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Side view of Heliocybe sulcata mushrooms on a dry bush in Hensel Park. College Station, Texas, April 14, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Heliocybe sulcata mushrooms on a dry bush in Hensel Park. College Station, Texas, April 14, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Lower view of Heliocybe sulcata mushrooms on a dry bush in Hensel Park. College Station, Texas, April 14, 2018Hensel Park DriveWay, College Station, TX 77840, USA
Sunray sawgill mushrooms (Heliocybe sulcata) on a piece of wood in Lick Creek Park. College Station, Texas, May 23, 2022Yaupon Loop Trail, College Station, Brazos County, Texas, United States
Sunray sawgill mushrooms (Heliocybe sulcata) on a log in Lick Creek Park. College Station, Texas, May 23, 2022Yaupon Loop Trail, College Station, Brazos County, Texas, United States
Close-up of sunray sawgill mushrooms (Heliocybe sulcata) on a log in Lick Creek Park. College Station, Texas, May 23, 2022Yaupon Loop Trail, College Station, Brazos County, Texas, United States
Caps of sunray sawgill mushrooms (Heliocybe sulcata) on a log in Lick Creek Park. College Station, Texas, May 23, 2022Yaupon Loop Trail, College Station, Brazos County, Texas, United States
Spores of sunray sawgill mushrooms (Heliocybe sulcata) collected in Lick Creek Park. College Station, Texas, May 23, 2022
Spore print of sunray sawgill mushrooms (Heliocybe sulcata) collected in Lick Creek Park. College Station, Texas, May 23, 2022
Mushrooms Heliocybe sulcata on dry stalk of horseweed(?) in Bastrop State Park. Bastrop, Texas, May 17, 2024Park Road 1C, Bastrop County, Texas, United States
Caps of mushrooms Heliocybe sulcata in Bastrop State Park. Bastrop, Texas, May 17, 2024Park Road 1C, Bastrop County, Texas, United States
Spores of mushrooms Heliocybe sulcata from a dry stalk of horseweed? collected in Bastrop State Park. Bastrop, Texas, May 17, 2024Heliocybe sulcata was observed on various substrates in East and Central Texas, including oak logs, dry bushes, and pieces of wood. In College Station, Texas, the fungus was found in David E. Schob Nature Preserve and Hensel Park, growing on oak logs and dry bushes. It was also observed in Lick Creek Park, where it grew on logs and produced spores. The mushrooms were collected and studied, with observations including their upper and lower views, caps, and spore prints. In Bastrop State Park, the fungus was found growing on a dry stalk of horseweed. The observations spanned several years, from 2018 to 2024, and provided insight into the growth habits and characteristics of Heliocybe sulcata in the region. The fungus appeared to thrive on decaying organic matter, producing distinctive caps and spores.
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