Clitocybe cokeri

Fruits late in the year, November, and can withstand frost and snow. Dull purple fading to brown. cucumber/farinaceous odor and taste. 

Links:

• Index Fungorum: 285323
• Mushroom Expert
• Mushroom Observer
• Wikipedia
• Google Image Search:

Observations:

• Mushroom Observer Pennsylvania Distribution
• MycoPortal Pennsylvania vouchers

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