Valsa ambiens (Pers.) Fr.
Selection criteria. Country: any country. Associated organism: Crataegus sp. (distribution map)
Number of records. 8.
Date information. 1921 (Jul, Sep).
Countries. British Isles, Georgia, Germany, Ukraine.
Substratum. twig.
Collections. KW [Darwin] 7723, 8572, 8717, 9171; TGM [Darwin] 4420, 4421, 4422.
Literature. Cannon, Hawksworth & Sherwood-Pike (1985).