Collection location: Albion, Mendocino Co., California, USA [Click for map]
The date is only accurate to the month.
Found by one of the participants in the annual Albion foray sponsored by the Fungus Federation of Santa Cruz. Photoed at the Albion field station. Keyed out in David Arora’s Mushrooms Demystified, 2nd Edition.
Dr. Ammirati at University of Washington (a world expert on Cortinarius) has never seen this species in North American and would be interested in dried collections if anyone comes across it again.