Canadian Forest Service Publications
The occurrence and pathogenicity of forms of Godronia cassandrae in Quebec. 1968. Smerlis, E. Canadian Journal of Botany 46: 597-599.
Issued by: Laurentian Forestry Centre
Catalog ID: 15943
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Three forms of Godronia cassandrae Peck, f. cassandrae f. betulicola Groves, and f. vaccinii Groves, are reported from Quebec. Pathogenicity is demonstrated for all three forms. Neither f. cassandrae nor f. betulicola are host-specific at the generic level but occur on plants of several or different genera.