Canadian Forest Service Publications
Venturia macularis on trembling aspen and Venturia populina on black cottonwood, Prince Rupert District. 1977. Doidge, D.F.; Koot, H.P. Government of Canada. Department of the Environment. Canadian Forest Service, Pacific Forest Research Centre, Victoria, Bc. FIDS Pest Report June, 1977.
Issued by: Pacific Forestry Centre
Catalog ID: 30716
Series: FIDS Report (CFS)
Availability: PDF (download)