Methods for collecting ash (Fraxinus spp.) seeds /
Kathleen S. Knight, Robert P. Karrfalt, Mary E. Mason.

APA Citation

Knight, K. S. (Kathleen Susan)., Mason, M. E., Karrfalt, R. P., United States. Forest Service. Northern Research Station. (2010). Methods for collecting ash (Fraxinus spp.) seeds. Newtown Square, Pa.: United States Department of Agriculture, Forest Service, Northern Research Station.

MLA Citation

Knight, Kathleen S. (Kathleen Susan), Mary E Mason, Robert P Karrfalt, and United States. Forest Service. Northern Research Station. Methods for Collecting Ash (Fraxinus Spp.) Seeds. Newtown Square, Pa.: United States Department of Agriculture, Forest Service, Northern Research Station, 2010.