Taxon: -- Select a Taxonomic Group -- All Species -------------------------- Lasallia Umbilicaria Umbilicariaceae Display as: Scientific NameCommon Name Ascomata   ascomata disc curvature*    weakly convex    convex   epihymenium (epithecium) pigmentation*    black    brown Ascospores   ascospores septation    absent    present Upper Thallus Surface   upper surface color - overall*    brownish orange    brownish grey    greenish brown    grey    brownish green   upper surface structure*    rugose (wrinkled)    verruculose Lower Thallus Surface & Attachment   lower surface color - overall*    yellowish white    grey    brown   rhizine absence/presence*    present    absent

New River Gorge National River James P. Bennett and Clifford M. Wetmore Species Count: 2 Umbilicariaceae Umbilicaria mammulata Umbilicaria papulosa

This project made possible by National Science Foundation Awards: #1115116