Agaricales of the Hawaiian Islands. 4: Hygrophoraceae

Seventeen taxa of Hygrophoraceae are re- ported from the Hawaiian Islands. Of these, six are new species, one a new variety and one a new form of Hygrocybe, two represent new species of Humidi- cutis; five represent first reports for the Hawaiian Is- lands; and two taxa are reported but not named be- cause of the lack of sufficient material for accurate taxonomic determination. Fifteen taxa are fully de- scribed, illustrated and compared with allied taxa. An artificial dichotomous key to Hawaiian Hygrophora- ceae is presented.

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