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

Abstract

Gyalideopsis pusilla Lucking & Tonsberg 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.