Synonyms: Grifola sumstinei, Polypilus sumstinei, Polyporus sumstinei.
Common name: Black-staining Polypore.
Extract from Wikipedia article: Meripilus sumstinei, commonly known as the giant polypore or the black-staining polypore, is a species of fungus in the family Meripilaceae. Originally described in 1905 by William Alphonso Murrill as Grifola sumstinei, it was transferred to Meripilus in 1988. It is found in North America, where it grows in large clumps on the ground around the base of oak trees and tree stumps. The mushroom is edible.
Arabic: مريبيل سومستيني.
Meripilus sumstinei is a species of bracket fungus that grows in clusters at the base of trees, particularly oak and elm. In East and Central Texas, it typically fruits from May to October, with a preference for moist, wooded areas. The caps are 3-10 cm wide, fan-shaped or semicircular, and range in color from white to grayish-brown, often with a wavy or lobed margin. The flesh is soft and white, with a mild odor and taste. This fungus can be found in urban and rural areas, including parks, forests, and along streams, where it plays a role in decomposing organic matter and forming symbiotic relationships with tree roots.
Black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021
Raccoon Run, College Station, TX 77845, USA
Circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Upper view of a circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Fan-shaped caps bruising black when cut or touched of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Smooth pore surface bruising brown or black when touched of a polypore mushroom Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Irregular rosette from the same branched stem of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Side view of a circular cluster of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Fleshy, grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Close-up of fleshy, grayish yellow, fan-shaped caps of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 18, 2021Raccoon Run, College Station, TX 77845, USA
Black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021Raccoon Run, College Station, TX 77845, USA
Upper view of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021Raccoon Run, College Station, TX 77845, USA
Irregular rosette of black-staining polypore mushrooms Meripilus sumstinei at the base of dry Mexican plum in Lick Creek Park. College Station, Texas, August 21, 2021Raccoon Run, College Station, TX 77845, USA
Black-staining polypore mushrooms Meripilus sumstinei in mature stage in Lick Creek Park. College Station, Texas, August 24, 2021Raccoon Run, College Station, TX 77845, USAObservations of Meripilus sumstinei in East and Central Texas reveal that the fungus grows at the base of dry Mexican plum trees, forming circular clusters or irregular rosettes. The mushrooms have grayish yellow, fan-shaped caps that bruise black when cut or touched. The pore surface is smooth and also bruises brown or black when touched. The caps are fleshy and can grow in a variety of shapes and sizes. Over time, the mushrooms mature and can be found in various stages of growth, from young to mature. The observations were made in Lick Creek Park, College Station, Texas, over several days in August 2021, with consistent findings of the fungus's characteristic black-staining properties and growth patterns. The fungus was observed on multiple occasions, with similar characteristics noted each time.
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