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Bulletin of the U.S. Department of Agriculture (1913-1923.) (203110345...
Cone and seeds of Pinus reflexa (Engelm.) Engelm. [as Pinus strobiformis sensu Sudw., non Engelm.] Title: Bulletin of the U.S. Department of Agriculture Identifier: bulletinofusdep451475unit (find matches) Yea... More
Carnegie Institution of Washington publication (1902-) (20536381645)
Title: Carnegie Institution of Washington publication Identifier: carnegieinstitut217carn (find matches) Year: 1902- (1900s) Authors: Carnegie Institution of Washington Subjects: Pinus reflexa (Engelm.) Engel... More