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Upcoming Events | Meet the Instructors | Plant Archive | Mushroom Archive
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Dyer’s Polypore (Phaeolus schweinitzii) is a pathogenic polypore that causes butt rot on conifers.
![](https://eattheplanet.org/wp-content/uploads/2024/07/449316439_17997752648638262_6524904894396342948_n.jpg)
The mushroom can be found summer-fall on the roots of conifer trees.
![](https://eattheplanet.org/wp-content/uploads/2024/07/441534912_17997752657638262_4043576431299385745_n.jpg)
The mushroom is composed of multiple circular caps. The caps are densely hairy, giving the mushroom a velvety appearance. The caps start yellowish and become brownish with age. The caps stain brown when touched.
![](https://eattheplanet.org/wp-content/uploads/2024/07/449306904_17997752678638262_5328248671339276218_n.jpg)
The pore surface starts yellow, turning brown with age. Spore print is whitish or yellowish.
![](https://eattheplanet.org/wp-content/uploads/2024/07/449213730_17997752669638262_3926267392671491092_n.jpg)
The mushroom is inedible and bitter, but it is non-toxic. Dyer’s polypore is a great source of natural dye. It can produce green, gold, or brown dye, depending on the mordant and material.
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Written by Amy Demers, founder of the Connecticut Foraging Club. To learn more about foraging in Connecticut, check out our upcoming classes.