Introduction to Fall Mushrooms
by Michael W. Beug Email: beugm@evergreen.edu
The Evergreen State College, Olympia WA
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Slide 7.
Volvariella speciosa, an edible species closely related to the Paddy Straw Mushroom of Asia, even shares the cup-like volva of a deadly Amanita. Volvariella speciosa differs from Amanita species in having a pinkish-brown spore print rather than the white spore print characteristic of an Amanita. To check spore color, always use white paper. Remove the stipe and place the mushroom cap gills down on the paper. It helps to cover the mushroom with a glass or bowl. Wait 1/2 hour to a few hours. Spores will accumulate on the paper and even white spores will be clearly evident as a powder that you can rub off with a finger.


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