Black-staining Polypore
Meripilus sumstinei (Murrill) M.J. Larsen & Lombard
Black-staining Polypore: https://marylandbiodiversity.org/species/14568
Synonyms
Meripilus giganteus (misapplied) Polyporus giganteus (misapplied)
Tags

Map Snapshot

179 Records

GAALWAFRCLMOHOBABCHACEPGAACVCHSMKEQACNTADOWISOWO

Status

Found on the ground at bases of hardwood trees and stumps, primarily oaks (J. Solem, pers. comm.). Mistakenly listed as M. giganteus (which does not occur in NA) in many field guides. Fruits throughout the season from spring into fall (L. Biechele, pers. comm.).

Description

Fruiting body: Light yellowish-gray to gray-brown in age; fan/spoon-shaped; margin thin, wavy/lobed; stains black when fresh (instant or slowly); flesh white, fibrous; to 16" (41 cm) or more. Pores: White/creamy-white, stain black. Stalk: Ochre to red brown; stains black (J. Solem, pers. comm.).

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Citations

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Source: Wikipedia

Meripilus sumstinei
Scientific classification Edit this classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Polyporales
Family: Meripilaceae
Genus: Meripilus
Species:
M. sumstinei
Binomial name
Meripilus sumstinei
(Murrill) M.J.Larsen & Lombard (1988)
Synonyms[1]
  • Grifola sumstinei Murrill (1904)
  • Polyporus sumstinei (Murrill) Sacc. & D.Sacc. (1905)
  • Polypilus sumstinei (Murrill) Bondartsev & Singer (1941)

Meripilus sumstinei, commonly known as the giant polypore or the black-staining polypore, is a species of fungus in the family Meripilaceae.

Taxonomy

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Originally described in 1905 by William Alphonso Murrill as Grifola sumstinei, the species was transferred to Meripilus in 1988.[1]

Description

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The cap of this polypore is 5–20 centimetres (2–8 in) wide, with folds of flesh up to 8–20 millimetres (1⁄4–3⁄4 in) thick. It has white to brownish concentric zones and tapers toward the base; the stipe is indistinct.[2]

Distribution and habitat

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It is found in eastern North America from June to September. It grows in large clumps on the ground around hardwood (including oak) trunks, stumps, and logs.[3][2]

Uses

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The mushroom is edible.[3]

References

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  1. ^ a b "GSD Species Synonymy: Meripilus sumstinei (Murrill) M.J. Larsen & Lombard, Mycologia 80(5): 615 (1988)". Species Fungorum. CAB International. Retrieved 2014-07-23.
  2. ^ a b Audubon (2023). Mushrooms of North America. Knopf. p. 234. ISBN 978-0-593-31998-7.
  3. ^ a b Russell, B. (2010). Field Guide to Wild Mushrooms of Pennsylvania and the Mid-Atlantic. Penn State Press. p. 128. ISBN 978-0-271-04526-9.


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