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