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Rare plants of the Ozark Plateau : a field identification guide
Effects of acid deposition on the emergence of blackflies (Diptera: Simuliidae) over 50 years from Algonquin Park streams
Flora of Willoughby, Vermont
Revised checklist of the mosses of New York State
African game trails
Tree, flower, shrub seed for the nursery : March, 1935
Effect of winter rations on pasture gains of yearling steers
Hardy trees, shrubs & plants
Growth characteristics of pinyon-juniper stands in the western Great Basin
A monograph of the fossil Estheriae