Porodaedalea pini
species of fungus
Porodaedalea pini, commonly known as the pine conk or pine bracket, is a species of fungus in the family Hymenochaetaceae. It is a plant pathogen that causes tree disease commonly known as "red ring rot" or "white speck". This disease, extremely common in the conifers of North America, decays tree trunks, rendering them useless for lumber. It is a rot of the heartwood. Signs of the fungus include shelf-shaped conks protruding from the trunks of trees. Spores produced on these conks are blown by the wind and infect other trees. Formal management of this disease is limited, and the disease is controlled primarily by cultural practices. Red ring rot is an important forest disturbance agent and plays a key role in habitat formation for several forest animals.
Description
The basidiocarps (fruiting body), conks, are the most apparent signs on infected trees. The conks are perennial, usually gregarious, imbricate, and shelve-shaped, about 3 inches wide.
The public source identifies “Porodaedalea pini” as species of fungus. This brief keeps that definition visible, then builds a research path around Porodaedalea, pini and species.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Nov 11, 2025. The linked authority identifier is Q3537280.
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This entry incorporates text from “Porodaedalea pini” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.