Arthonia erubescens Willey
CC BY-NC 3.0 - United States National Herbarium - Smithsonian (US:Lichens) - Source: https://lichenportal.org/portal/taxa/index.php?taxon=52425
Leg. F. Mead, 1885, USA, Texas. Note: Specimen from the Willey Lichen Herbarium, possibly the holotype?
