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Cystopteris diaphana (Bory) Blasdell x C. fragilis (L.) Bernh.- Collection Date
- 25 Jul 1915
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Costum sicHouse & Post Office, Cincinnati.
- Date made
- n.d.
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certified proof
- BEP certification date
- 1892-03-18
- plate date
- 1892-02-24
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Saururus cernuus L.
- Collection Date
- 26 Jul 1948
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Helobdella stagnalis
- Collection Date
- 21 Jul 1899
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