Arctic and alpine agarics from Alaska and Canada

Eight species of agarics in the Basidiomycetes from arctic and alpine tundra in Alaska and adjacent Canada are included. Four taxa are reported from North America for the first time including one new species. One taxon is reported for the first time from arctic tundra in North America. New ecological information, host ranges, and fruiting periods are presented for all taxa. Camera lucida drawings are included for five taxa.