New species of Cortinariaceae from xeric habitats in California, USA, and adjacent states, 1: Calonarius

The fungi of California's xeric oak habitats and nearby areas of the Pacific states of American West have long been understudied due to their irregular fruiting patterns, low expected yields, and the challenges these pose for planning field work. This study is based on the authors' extensive research into this natural environment. This article is the first in a series of installments that will describe more than 24 new members of Cortinariaceae from this habitat. Here we describe nine new species in the genus