Porodaedalea pini is a fungal 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 go on to infect other trees.
Cap: Occasionally absent but usually present as.. more
Similar species: Hymenochaetales

By gary fast
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Uploaded Nov 9, 2019. Captured Nov 6, 2019 13:03 in 404 Whaletown Rd, Whaletown, BC V0P 1Z0, Canada.