Umbilicaria nylanderiana (Zahlbr.) H. Magn.
Selection criteria. Country: any country. Associated organism: any (distribution map)
Number of records. 6.
Date information. 14 August 1975 (Aug).
Countries. British Isles, Slovakia, United Kingdom, Venezuela.
Substrata. construction material, rock.
Collections. E unnumbered.
Literature. Cannon, Hawksworth & Sherwood-Pike (1985); López Figueiras (1986) page(s) 449.