Valsa germanica Nitschke
Selection criteria. Country: any country. Associated organism: Betula sp. (distribution map)
Number of records. 2.
Date information. 23 January 1918 (Jan).
Countries. British Isles, Ukraine.
Substratum. twig.
Literature. Cannon, Hawksworth & Sherwood-Pike (1985); Petrak (1925).