Heterobasidion annosum (Fr.) Bref.
Selection criteria. Country: USA (California). Associated organism: Pinus ponderosa
Number of records. 2.
Date information. September 1961 (Sep).
Locations. Lassen County.
Substratum. root.
Literature. Bega (1962) page(s) 109; Olson (1941) page(s) 1076.