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Contributions from the United States National Herbarium v.34 (1968)
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The lichen genera Cetrelia and Platismatia (Parmeliaceae)
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By: Culberson, William L. - Culberson, Chicita F.
Type: Article
In: Contributions from the United States National Herbarium
Volume: 34
Date: 1968
Page Range: 449--588
Publication info: Washington, D.C, Smithsonian Institution Press, 1890-