Green Cheese Polypore
(Niveoporofomes spraguei)
Conservation • Description • Habitat • Ecology • Distribution • Taxonomy
Conservation Status |
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| IUCN Red List | not listed |
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| NatureServe | NNR - Unranked |
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| Minnesota | not listed |
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Description |
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Green Cheese Polypore is a common bracket fungus. It occurs in Europe and North America. In the United States it occurs east of the Great Plains and in the Pacific Northwest. It is found from spring through fall alone or in groups but not clustered (gregarious). It grows on both living and dead wood of oaks and other hardwoods. It obtains its nutrients from dead wood (saprobic), and possibly also from living wood (parasitic). It causes a brown cubical rot in wood. When it first appears, the cap is grayish. The upper surface is irregular and not concentrically zoned. The margin is brownish orange and finely fuzzy, and it bruises grayish green. Water droplets are sometimes exuded on the upper surface, margins, and pore surface. Mature caps are whitish, ¾″ to 4″ (2 to 10 cm) wide, up to 2⅜″ (6 cm) deep, semicircular to almost circular or irregular in outline, and flat or shallowly depressed above. The upper surface is fuzzy and dry. The pore is surface grayish white. There are 1 to 3 pores per 1⁄32″ (1 mm). The pores are 1⁄16″to ⅛″ (2 to 4 mm) long and angular. When young, the pore surface bruises grayish green. When mature it bruises brownish. There usually is no stalk. When present, the stalk is whitish to brownish, fuzzy, and ⅜″ to ¾″ (1 to 2 cm) long and thick. The flesh of young specimens is soft and leathery with distinct whitish and grayish zones. On mature specimens the flesh is whitish to gray or bluish and tough. It is not edible. |
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Similar Species |
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Habitat and Hosts |
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Hardwoods |
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Ecology |
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Season |
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Spring through fall |
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Distribution |
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Sources |
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| 2/14/2023 | ||||
Occurrence |
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Taxonomy |
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| Kingdom | Fungi (fungi) | ||
| Subkingdom | Dikarya | ||
| Division | Basidiomycota (club fungi) | ||
| Subdivision | Agaricomycotina (jelly fungi, yeasts, and mushrooms) | ||
| Class | Agaricomycetes (mushrooms, bracket fungi, puffballs, and allies) | ||
| Subclass | Agaricomycetidae | ||
| Order | Polyporales (shelf fungi) | ||
| Family | Fomitopsidaceae (bracket polypores) | ||
Genus |
Niveoporofomes | ||
Synonyms |
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Fomitopsis spraguei Pilatoporus spraguei Polyporus sordidus Polyporus spraguei Trametes spraguei Tyromyces spraguei Tyromyces subtrimiticus |
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Common Names |
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Green Cheese Polypore |
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Glossary
Parasitic
Obtaining nutrients from another living organism.
Saprobic
A term often used for saprotrophic fungi. Referring to fungi that obtain their nutrients from decayed organic matter.
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Honey Fae (Farah) |
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MinnesotaSeasons.com Photos |
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Other Videos |
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| Oozing fungus Niveoporofomes spraguei. nature is crazy |
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About
Jul 28, 2018 found an oozing fungus that oozes clear liquid on a tree stump i beleive this is Niveoporofomes spraguei. |
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| Green Cheese Polypore, the mushroom that resembles moldy green cheese. The Rush Room |
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About
Sep 2, 2021 Green Cheese Polypore, also called Niveoporofomes spraguei. It is the mushroom that resembles moldy green cheese. |
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Visitor Sightings |
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| Honey Fae (Farah) 8/26/2022 |
Location: Dakota County |
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MinnesotaSeasons.com Sightings |
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Created: 2/14/2023
Last Updated: