Title: Incidence of white pine blister rust infection in the Lake States /
Authors: King, D. B.; Lake States Forest Experiment Station (Saint Paul, Minn.)
Publisher: Lake States Forest Experiment Station, Forest Service, U.S. Department of Agriculture,
Year: 1958
Subjects: Blister rust Lake States.; Blister rust; Pinus strobus; Cronartium ribicola; Lake States; Great Lakes region