Astrothelium versicolor
Identification Characteristics
Description: Thallus pale, thin, continuous, with clusters of cone-shaped perithecia in warts dusted with deep yellow to orange pruina; spores colorless, 4-celled, 24-30 x 9.5-10.4 um, IKI-.
Chemistry: Thallus UV+ yellow (lichexanthone); pseudostromata K+ red (anthraquinones).
Bibliography: Lichens of North America, by Brodo, Sharnoff, & Sharnoff
Database Entry: Distance Everheart 12-26-13