Notes on Fungi From Northern Canada: Iv. Tricholomataceae

Among the many fungi collected in northern Canada by government biological survey parties are agarics belonging to the Tricholomataceae. Over 100 collections were examined in this study. Twelve genera and 33 species are represented. The records of these species in northern Canada are of value in determining the limits of distribution.Myxomphalia is raised to generic rank. The following new combinations are proposed: Clitocybe luteovitellina, C. posti, C. septentrionlis, C. umbellifera, Lepista irina, Myxomphalia maura.