Canadian Forest Service Publications
Certification of tree seed for export from Canada, 1980-89: lodgepole pine, Douglas-fir, alpine fir and grand fir. 1990. Pollard, D.F.W.; Portlock, F.T. Pages 2.247-2.254 in Proceedings of a joint meeting of the Western Forest Genetics Association and IUFRO working parties S2.02-05 -06 -12 and -14 (Douglas-fir, Contorta pine, Sitka spruce and Abies breeding and genetic resources)., August 20-24, 1990, Olympia, Wash., U.S.A. [ s. n. ], [ S. l. ].
Issued by: Pacific Forestry Centre
Catalog ID: 3040