Introduction to Mushrooms Revised April 2000
by By Michael W. Beug Email: beugm@evergreen.edu
The Evergreen State College, Olympia WA

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Slide 63.
If you like to eat Russula species, make certain that you can distinguish the black-staining Russulas, like Russula nigricans, whether they stain black directly or first stain red or gray and then turn black. Russula nigricans and other black-staining Russula species can cause severe poisoning, even death.

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