<< < Previous Alismataceae GH: 01632498 Sagittaria graminea Michaux USA: Oklahoma fish hatchery No. 4, 5 miles south of Heaven... J. H. B. de Gruchy 122 1936-6-20
Ceratophyllaceae GH: 02073364 Ceratophyllum demersum Linnaeus USA: Oklahoma Tourists' Park Creek, Stillwater J. H. B. de Gruchy 152 1936-6-30
Elatinaceae GH: 00351689 Elatine americana (Pursh) Arnott USA: Oklahoma Talawanda Lake No. 1 J. H. B. de Gruchy 87 1936-6-19
GH: 00351689 Elatine brachysperma A. Gray USA: Oklahoma Talawanda Lake No. 1 J. H. B. de Gruchy 87 1936-6-19
Haloragaceae GH: 01626839 Myriophyllum heterophyllum Michaux USA: Oklahoma Acme Mine Pond, Picher. J. H. B. de Gruchy 188 1936-7-6
GH: 01626840 Myriophyllum heterophyllum Michaux USA: Oklahoma 6 miles south of Heavener. J. H. B. de Gruchy 104 1936-6-20
Juncaceae GH: 02400869 Juncus nodatus Coville USA: Oklahoma 6 miles south of Heavener. Stillwater. J. H. B. de Gruchy 114 1936-6-20
Lamiaceae GH: 01600155 Mentha piperita Linnaeus USA: Oklahoma 1 mile east of Westville. J. H. B. de Gruchy 169 1936-7-4
Plantaginaceae GH: 00466764 Callitriche heterophylla Pursh USA: Oklahoma Panther Creek Lake, Medicine Park. Stillwate... J. H. B. de Gruchy 29 1936-5-27
GH: 01811038 Veronica peregrina Linnaeus USA: Oklahoma Shoals, Barron Fork Creek, 12 miles northeas... J. H. B. de Gruchy 161 1936-7-4
Pontederiaceae GH: 02068404 Pontederia cordata Linnaeus USA: Oklahoma fish hatchery No. 3, Talequah. J. H. B. de Gruchy 135 1936-6-21
Potamogetonaceae GH: 01746142 Potamogeton pusillus tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist USA: Oklahoma Panther Creek Lake, Medicine Park, Stillwate... J. H. B. de Gruchy 24 1936-5-27
GH: 01732797 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma Tourists' Park Creek, Stillwater. J. H. B. de Gruchy 153 1936-6-30
Sparganiaceae GH: 00947097 Sparganium americanum Nuttall USA: Oklahoma small creek 6 mile south of Heavener. Stillw... J. H. B. de Gruchy 110 1936-6-20
