Hydnopolyporus palmatus is a species of fungus that belongs to the family Meruliaceae. It is a rare polypore fungus characterized by its palmate to flabelliform shape, with a smooth to slightly wrinkled upper surface and a hairy to velvety lower surface bearing tubes and spines. In East and Central Texas, it typically grows on the ground in wooded areas, often associated with oak and pine trees, particularly in the fall season. The fungus is relatively small, usually 3-10 cm wide, with a brown to tan upper surface and a white to cream-colored lower surface.
Poretooth Rosette mushrooms (Hydnopolyporus palmatus) near Raccoon Run Trail in Lick Creek Park. College Station, Texas, May 31, 2018
Poretooth Rosette mushrooms (Hydnopolyporus palmatus) with grass near Raccoon Run Trail in Lick Creek Park. College Station, Texas, May 31, 2018
Poretooth Rosette mushrooms (Hydnopolyporus palmatus) in Lick Creek Park. College Station, Texas, May 31, 2018
Clusters of Poretooth Rosette mushrooms (Hydnopolyporus palmatus) in Lick Creek Park. College Station, Texas, May 31, 2018
Mushroom Hydnopolyporus palmatus in Lick Creek Park. College Station, Texas, June 13, 2018 Raccoon Run, College Station, TX 77845, USA
Mushroom Hydnopolyporus palmatus at the base of a tree in Lick Creek Park. College Station, Texas, June 13, 2018 Raccoon Run, College Station, TX 77845, USA
Young Hydnopolyporus palmatus mushroom at the base of a tree in Lick Creek Park. College Station, Texas, June 13, 2018 Raccoon Run, College Station, TX 77845, USA
Pores of Hydnopolyporus palmatus mushroom in Lick Creek Park. College Station, Texas, June 13, 2018 Raccoon Run, College Station, TX 77845, USA
Underside of Hydnopolyporus palmatus mushroom in Lick Creek Park. College Station, Texas, June 13, 2018 Raccoon Run, College Station, TX 77845, USA
Hydnopolyporus palmatus mushrooms on a sandy path of Raccoon Run Trail in Lick Creek Park. College Station, Texas, June 29, 2018 Raccoon Run, College Station, TX 77845, USA
Hydnopolyporus palmatus mushrooms on a sandy path in Lick Creek Park. College Station, Texas, June 29, 2018 Raccoon Run, College Station, TX 77845, USA
Side view of Hydnopolyporus palmatus mushrooms on a sandy path in Lick Creek Park. College Station, Texas, June 29, 2018 Raccoon Run, College Station, TX 77845, USA
Close up of Hydnopolyporus palmatus mushrooms on a sandy path in Lick Creek Park. College Station, Texas, June 29, 2018 Raccoon Run, College Station, TX 77845, USA
Pore surface of Hydnopolyporus palmatus mushrooms in Lick Creek Park. College Station, Texas, June 29, 2018 Raccoon Run, College Station, TX 77845, USA
Poretooth rosette mushroom (Hydnopolyporus palmatus) in Lick Creek Park. College Station, Texas, July 16, 2018 Raccoon Run, College Station, TX 77845, USA
Poretooth rosette mushroom (Hydnopolyporus palmatus) on Raccoon Run Trail in Lick Creek Park. College Station, Texas, September 11, 2018 Raccoon Run, College Station, TX 77845, USA
Poretooth rosette mushrooms (Hydnopolyporus palmatus) in Lick Creek Park. College Station, Texas, July 5, 2019 Raccoon Run, College Station, TX 77845, USA
Petals of poretooth rosette mushrooms (Hydnopolyporus palmatus) in Lick Creek Park. College Station, Texas, July 5, 2019 Raccoon Run, College Station, TX 77845, USA
Polypore mushroom Hydnopolyporus palmatus in grass near a sandy path in Lick Creek Park. College Station, Texas, May 27, 2022 Racoon Run Trail, College Station, Brazos County, Texas, United States
Spores of mushrooms Hydnopolyporus palmatus collected in Lick Creek Park. College Station, Texas, May 27, 2022
AI-generated summary of observations
Observations of Hydnopolyporus palmatus in East and Central Texas reveal that the fungus grows in clusters, often near trees or on sandy paths. The mushrooms were found in Lick Creek Park, College Station, Texas, on multiple occasions between May 2018 and May 2022. They tend to grow in grassy areas, such as near Raccoon Run Trail, and can be found at the base of trees. The pores of the mushroom are visible, and the underside has a distinct appearance. The mushrooms were observed in various stages of growth, from young to mature, and their spores were collected for further study. The observations suggest that Hydnopolyporus palmatus is a common species in the area, with a wide range of growth habits and habitats. The fungus was found to grow on sandy paths, in grass, and near trees, indicating its adaptability to different environments.