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Filtering by: Creator/Author Snider, Jerry A. (senior collector) Remove constraint Creator/Author: Snider, Jerry A. (senior collector) Creator/Author Baird, John (co-collector) Remove constraint Creator/Author: Baird, John (co-collector) Creator/Author He, Si (co-collector) Remove constraint Creator/Author: He, Si (co-collector) Subject Genus: Polytrichum Remove constraint Subject: Genus: Polytrichum Subject Order: Polytrichales Remove constraint Subject: Order: Polytrichales

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