Gyalideopsis pusilla (Gomphillaceae, lichenized Ascomycetes), a new species from southeastern North America.

Abstract

Gyalideopsis pusilla Lücking & Tønsberg is described as new to science from U.S.A., Tennessee, the Great Smoky Mountains National Park in the Southern Appalachian Mountains, where it was foliicolous on Rhododendron maximum. It is distinguished from other Gyalideopsis species by the combination of very small, usually 3-septate ascospores, short, setiform hyphophores with filiform, non-septate diahyphae, and foliicolous habit.