Specimen List - The William & Lynda Steere Herbarium

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Taxon	Collector	Date	Country	State/Province	Locality	Type Status
Gomphonema constrictum Ehrenb.	F. E. Drouet \| D. Richards \| B. Darrow \| C. E. Olmstead 2730	28 Oct 1939	United States of America	Arizona	Pima Co. in a stream,…	—
Navicula confervacea (Kütz.) Grunow	F. E. Drouet \| D. Richards \| B. Darrow \| C. E. Olmstead 2740	28 Oct 1939	United States of America	Arizona	Pima Co. in shallow water…	—
Oedogonium angustum (Hirn) Tiffany	F. E. Drouet \| D. Richards \| B. Darrow \| C. E. Olmstead 2754	28 Oct 1939	United States of America	Arizona	Pima Co. in an artificial…	—