Summary ²

Spores: White
Trails: Griffin - found around the base of dead and dying conifers
Parasitic (pathogen)
Highly prized as a fiber dye

Phaeolus schweinitzii, commonly known as velvet-top fungus, dyer's polypore, or dyer's mazegill, is a fungal plant pathogen that causes butt rot on conifers such as Douglas-fir, spruce, fir, hemlock, pine, and larch. P. schweinitzii is a polypore, although unlike bracket fungi the fruiting body may appear terrestrial when growing from the roots or base of the host tree. The fruiting bodies, appearing in late summer or fall, commonly incorporate blades of grass, twigs, or fallen pine needles as they grow. As these fruiting bodies age, the pore surface turns from yellow to greenish yellow, the top becomes darker, and the flesh becomes harder and more wood-like.

Sources and Credits

1. (c) Leslie Flint, all rights reserved, uploaded by Leslie Flint
2. Adapted by Leslie Flint from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Phaeolus_schweinitzii

More Info

• iNat taxon page
• Atlas of Living Australia
• Biodiversity Heritage Library
• BOLD Systems BIN search
• CalPhotos
• Global Biodiversity Information Facility (GBIF)
• Maryland Biodiversity Project
• Mushroom Observer
• MykoWeb
• NatureServe Explorer 2.0
• NBN Atlas
• SEINet Symbiota portals
• USDA PLANTS database
• 日本のレッドデータ検索システム

iNat Map