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By: Austin, E. P.Edition:Publication info:Volume: E.P. Austin to Engelmann, 1863-1876Series:Holding Institution: Missouri Botanical Garden, Peter H. Raven LibrarySubjects: 1809-1884 Abies Austin, E. P Botanical specimens Correspondence Engelmann, George, Identification Letters Picea nigra Pinaceae Pinus banksiana Pinus resinosa Pinus strobusBHL Collections: Engelmann Papers, Missouri Botanical Garden