Harvard University Herbaria & Libraries

Alismataceae
GH: 01632194 Echinodorus berteroi (Sprengel) Fassett USA: Oklahoma public access of Elmer Tomas Lake, Witchita ... C. B. Hellquist & C. E. Hellquist 15080 1981-7-20
Ceratophyllaceae
GH: 02073358 Ceratophyllum demersum Linnaeus USA: Oklahoma Quannah Parker Lake at Information Center. W... C. B. Hellquist & C. E. Hellquist 15085 1981-7-20
Haloragaceae
GH: 01626992 Myriophyllum pinnatum (Walter) Britton USA: Oklahoma ca. 1.0 mile west of Wichita Mountains Natio... C. B. Hellquist & C. E. Hellquist 15093 1981-7-20
GH: 01628415 Myriophyllum spicatum Linnaeus USA: Oklahoma Quannah Parker Lake at Information Center [W... C. B. Hellquist & C. E. Hellquist 15089 1981-7-20
Najadaceae
GH: 01734411 Zannichellia palustris Linnaeus USA: Oklahoma Hall Lake ca. 11.0 miles north of Hollis, R2... C. B. Hellquist & C. E. Hellquist 15072 1981-7-20
Plantaginaceae
GH: 01046538 Bacopa rotundifolia (Michaux) Wettstein USA: Oklahoma Quannah Parker Lake at Information Center, W... C. B. Hellquist & C. E. Hellquist 15086 1981-7-20
GH: 01999995 Gratiola virginiana Linnaeus USA: Oklahoma Sunset Pool ca. 1.0 mile west of Witchita Mo... C. B. Hellquist & C. E. Hellquist 15095 1981-7-20
GH: 01999990 Gratiola virginiana Linnaeus USA: Oklahoma Caddo Lake ca. 1.5 miles west of Witchita Mo... C. B. Hellquist & C. E. Hellquist 15075 1981-7-20
Pontederiaceae
GH: 01919239 Heteranthera limosa Willdenow USA: Oklahoma Quannah Parker Lake at Information Center; W... C. B. Hellquist & C. E. Hellquist 15083 1981-7-20
Potamogetonaceae
GH: 01564460 Potamogeton diversifolius Rafinesque USA: Oklahoma Caddo Lake ca. 1.5 miles west of Witchita Mo... C. B. Hellquist & C. E. Hellquist 15079 1981-7-20
GH: 01564462 Potamogeton diversifolius Rafinesque USA: Oklahoma Sunset Pool ca. 1.0 miles west of Witchita M... C. B. Hellquist & C. E. Hellquist 15091 1981-7-20
GH: 01688981 Potamogeton nodosus Poiret USA: Oklahoma Sunset Pool ca. 1.0 mile west of Witchita Mo... C. B. Hellquist & C. E. Hellquist 15090 1981