Leucodermia guzmaniana sp. nov. (Physciaceae, Lecanorales), a new species from Mexican cloud forest, and a key to Leucodermia in Mexico

Abstract

Leucodermia guzmaniana Guzmán-Guillermo, Díaz-Escandón & Medel is described as a new species of lichen fungus, being characterized by terminal soredia and marginal white cilia covered with a red pigment that reacts K+ purple. The new species named after renowned Mexican Mycologist Dr. Gastón Guzmán. Leucodermia guzmaniana was collected in a cloud forest in Veracruz, Mexico.