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Lichenes Boreali-Americani, second edition of Decades of North American Lichens, prepared by Clara E. Cummings, Thos. A. Williams and A. B. Seymore, F Abbreviation: Cummings, Williams & Seymour: Lich. Bor.-Amer. Editor(s): Francis W. Pennell Range: 1-280 |
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