Specimen List - The William & Lynda Steere Herbarium

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Taxon	Collector	Date	Country	State/Province	Locality	Type Status
Polysiphonia formosa Suhr	J. Walters s.n.	1848	United States of America	New York	Dutchess Co. Red Hook	—
Polysiphonia gracilis C.K.Tseng	J. Walters s.n.	1869	United States of America	New York	Fort Hamilton, Hell Gate, and…	—
Polysiphonia nigrescens (Huds.) Grev. ex Harv.	J. Walters s.n.	1852	—	—	[without locality]	—
Polysiphonia nigrescens (Huds.) Grev. ex Harv.	J. Walters s.n.	1848	—	—	[without locality]	—
Pterothamnion americanum (Harv.) Nägeli	J. Walters 54	04 Sep 1853	United States of America	New York	Yellow Hook	—
Pylaiella littoralis (L.) Kjellm.	J. Walters s.n.	20 Mar 1853	United States of America	New York	Long Island, Yellow Hook	—
Pylaiella littoralis (L.) Kjellm.	J. Walters s.n.	23 Nov 1851	United States of America	New York	Kings Co. Fort Hamilton	—
Spyridia filamentosa (Wulfen) Harv.	J. Walters s.n.	21 Jul 1850	United States of America	New York	Kings Co. Red Hook	—
Stilophora rhizodes (C.Agardh) J.Agardh	J. Walters s.n.	04 Jul 1851	United States of America	New York	Nassau Co.	—