Umbilicaria calvescens Nyl.
Selection criteria. Country: Venezuela. Associated organism: any (distribution map)
Number of records. 27.
Date information. 1975 (Jan, Feb, Mar, Jun, Jul, Aug, Oct, Nov, Dec).
Locations. Mérida, Trujillo.
Substrata. rock.
Literature. López Figueiras (1986) page(s) 448, 449, 448-449.