Harvard University Herbaria & Libraries

Alismataceae
GH: 01632315 Sagittaria brevirostra Mackenzie & Bush USA: Oklahoma Cold Creek, Mohawk Park, R13E, T20N, Sec. 14... C. B. Hellquist 15740 1988-9-8
GH: 01632488 Sagittaria graminea Michaux USA: Oklahoma Bar-Dew (Bar-Du) Lake ca. 5.0 mi. west of De... C. B. Hellquist [data not captured] 15747 1988-9-8
Ceratophyllaceae
GH: 02073363 Ceratophyllum demersum Linnaeus USA: Oklahoma Bar-Dew (Bar-du) Lake, ca. 5.0 miles west of... C. B. Hellquist 15745 1988-9-8
Haloragaceae
GH: 01628417 Myriophyllum spicatum Linnaeus USA: Oklahoma Medicine Bluff Creek at Rt. 49, Medicine Par... C. B. Hellquist 15751 1988-9-11
Juncaceae
GH: 02401019 Juncus ensifolius Wikström USA: California [data not captured] C. B. Hellquist 15738a 1988-8-15
Potamogetonaceae
GH: 00606125 Potamogeton crispus Linnaeus USA: Massachusetts Pittsfield: Pittsfield C. B. Hellquist 15728 1988-5-24