Alismataceae GH: 01617968 Alisma subcordatum Pursh USA: Oklahoma Big Springs at the headwaters of Spring Cree... C. B. Hellquist 12992 1978-7-17
Aspidiaceae GH: 00727365 Polystichum ée (Spenner) Fée USA: Vermont Lowell: Lowell C. B. Hellquist 13129 1978-10-8
Aspleniaceae GH: 02068556 Asplenium resiliens Kunze USA: Oklahoma Price's Falls, NW 1/4. Sec. 33, T2S, R2E, ca... C. B. Hellquist 12741 1978-6-17
Asteraceae GH: 02215561 Chaetopappa asteroides (Nuttall) de Candolle USA: Oklahoma "Ten Acre Rock" ca. 1 1/2 miles east of Troy... C. B. Hellquist 12724 1978-6-17
Brassicaceae GH: 01550315 Nasturtium officinale R. Brown USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12694 1978-6-17
GH: 01550317 Nasturtium officinale R. Brown USA: Oklahoma ca. 1.5 miles SE of last interchange on I-35... C. B. Hellquist 12827 1978-6-27
GH: 01550318 Nasturtium officinale R. Brown USA: Oklahoma Upper Pennington Creek at Crossville-Mill Cr... C. B. Hellquist [data not captured] 12579 1978-6-10
GH: 01550319 Nasturtium officinale R. Brown USA: Oklahoma Big Spring at the headwaters of Spring Creek... C. B. Hellquist [data not captured] 12990 1978-7-17
Ceratophyllaceae GH: 02073390 Ceratophyllum demersum Linnaeus USA: Texas Picnic Pond on east side of road west of loc... C. B. Hellquist 12929 1978-7-7
GH: 02073360 Ceratophyllum demersum Linnaeus USA: Oklahoma west end of pond ca. 1.5 miles SE of last in... C. B. Hellquist 12829 1978-6-27
GH: 02073356 Ceratophyllum demersum Linnaeus USA: Minnesota Lowrance Lake, east of Rte. 177, ca. 4.5 mil... C. B. Hellquist 12711 1978-6-17
Cyperaceae GH: 01775852 Carex squarrosa Linnaeus USA: Oklahoma [data not captured] C. B. Hellquist 12719 1978-6-17
GH: 02315850 Scirpus purshianus Fernald USA: Texas [data not captured] C. B. Hellquist 12905 1978-7-7
Elatinaceae GH: 00351714 Elatine triandra Schkuhr USA: Oklahoma Small marshy pond on south side of road ca. ... C. B. Hellquist 12758 1978-6-21
Haloragaceae GH: 01626720 Myriophyllum aquaticum (Vellozo) Verdcourt USA: Oklahoma ca. 1.5 miles SE of last interchange on I-35... C. B. Hellquist 12825 1978-6-27
Juncaceae GH: 02102003 Juncus diffusissimus Buckley USA: Texas on south side of road beyond locked gate ca.... C. B. Hellquist 12916 1978-7-7
GH: 02102002 Juncus diffusissimus Buckley USA: Texas Picnic Pond on east side of road west of loc... C. B. Hellquist 12924 1978-7-7
GH: 02400099 Juncus marginatus Rostkovius USA: Oklahoma "Ten Acre [Rock]" ca. 1 1/2 miles east of Tr... C. B. Hellquist 12727 1978-6-17
Lamiaceae GH: 01555621 Clinopodium arkansanum (Nuttall) House USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12699 1978-6-17
GH: 01552319 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12700 1978-6-17
GH: 01600314 Mentha spicata Linnaeus USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12695 1978-6-17
Najadaceae GH: 01734408 Zannichellia palustris Linnaeus USA: Oklahoma shore of Lake Texoma by boat houses of the U... C. B. Hellquist 13003 1978-7-20
GH: 01734406 Zannichellia palustris Linnaeus USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12708 1978-6-17
Nymphaeaceae GH: 01740433 Nymphaea mexicana Zuccarini USA: Oklahoma Antelope & Buffalo Springs area, Chickasaw N... C. B. Hellquist 12722 1978-6-17
Onagraceae GH: 01779175 Ludwigia alternifolia Linnaeus USA: Oklahoma on east sode of Honobia-Talihina Road, 2.7 m... C. B. Hellquist 12850 1978-7-1
GH: 01780164 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist 12775 1978-6-21
GH: 01780166 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist 12841 1978-6-28
GH: 01780395 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Texas on south side of road beyond locked gate ca.... C. B. Hellquist 12914 1978-7-7
GH: 01780396 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Texas on east side of lower water bridge ca. 1/2 m... C. B. Hellquist 12908 1978-7-7
GH: 01780628 Ludwigia repens J. R. Forster USA: Oklahoma Antelope & Buffalo Springs area, Chickasaw N... C. B. Hellquist 12721 1978-6-17
GH: 01780631 Ludwigia repens J. R. Forster USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12994 1978-7-17
GH: 01780806 Ludwigia uruguayensis (Cambessedes) H. Hara USA: Texas Picnic Pond on east side of road west of loc... C. B. Hellquist 12928 1978-7-7
Plantaginaceae GH: 00466771 Callitriche heterophylla Pursh USA: Oklahoma Upper Pennington Creek at Crossville - Mill ... C. B. Hellquist 12581 1978-6-10
GH: 02002532 Penstemon australis Small USA: Tennessee [data not captured] C. B. Hellquist 12460 1978-5-31
GH: 01805303 Veronica anagallis-aquatica Linnaeus USA: Oklahoma spring on north side of pond ca. 1.5 miles S... C. B. Hellquist 12828 1978-6-27
Polygonaceae GH: 02364857 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Oklahoma west end of pond ca. 1.5 miles SE of last in... C. B. Hellquist 12824 1978-6-27
GH: 02363459 Persicaria hydropiperoides (Michaux) Small USA: Texas near Harris Creek ca. 1 mi W of Headquarters... C. B. Hellquist 12904 1978-7-7
GH: 02363458 Persicaria hydropiperoides (Michaux) Small USA: Texas east side of low water bridge ca. 1/2 mi N o... C. B. Hellquist 12910 1978-7-7
Potamogetonaceae GH: 01572232 Potamogeton foliosus Rafinesque USA: Oklahoma east end of Lowrance Lake, East of Rte. 177,... C. B. Hellquist 12718 1978-6-17
GH: 01572233 Potamogeton foliosus Rafinesque USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12707 1978-6-17
NEBC: 00741091 Potamogeton hillii Morong USA: Massachusetts Richmond: Richmond C. B. Hellquist 13019 1978-8-4
GH: 01688134 Potamogeton hillii Morong USA: New York Beebe Pond SE of Queeche Lake, Canaan C. B. Hellquist 13028 1978-8-4
GH: 01688926 Potamogeton nodosus Poiret USA: Oklahoma Lowrance Lake east of Rte. 177, ca. 4.5 mile... C. B. Hellquist 12717 1978-6-17
GH: 01688962 Potamogeton nodosus Poiret USA: Oklahoma Lake Texoma by boat house of the Univ. of Ok... C. B. Hellquist 13001 1978-7-20
GH: 01695036 Potamogeton nodosus Poiret USA: Texas on east side of low water bridge ca. 1/2 mil... C. B. Hellquist 12907 1978-7-7
GH: 01695037 Potamogeton nodosus Poiret USA: Texas Picnic Pond on east side of road west of loc... C. B. Hellquist 12930 1978-7-7
GH: 01695039 Potamogeton nodosus Poiret USA: Texas on east side of low water bridge ca. 1/2 mil... C. B. Hellquist 12906 1978-7-7
GH: 01695791 Potamogeton pusillus Linnaeus USA: Texas on east side of low water bridge ca. 1/2 mil... C. B. Hellquist 12907 1978-7-7
GH: 01732773 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma east Rte. 177. ca. 4.5 miles SE of Sulphur, ... C. B. Hellquist 12716 1978-6-17
GH: 01732792 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma Lake Texoma by boat houses of the Univ. of O... C. B. Hellquist 13002 1978-7-20
Primulaceae GH: 01926723 Samolus parviflorus Rafinesque USA: Oklahoma Buckhorn Springs ca, 3.0 miles Se of Sulphur... C. B. Hellquist 12692 1978-6-17
Scrophulariaceae GH: 01841514 Erythranthe glabrata (Kunth) G. L. Nesom USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur C. B. Hellquist 12693 1978-6-17
Sparganiaceae GH: 00947095 Sparganium americanum Nuttall USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist 12697 1978-6-17
Typhaceae GH: 00933057 Typha domingensis Persoon USA: Oklahoma east end of Lowrance Lake, east of Rte. 177,... C. B. Hellquist 12719 1978-6-17
Verbenaceae GH: 01800485 Glandularia bipinnatifida (Nuttall) Nuttall USA: Oklahoma roadside west of U.O. Biological Station eas... C. B. Hellquist [data not captured] 12503A 1978-6-4
GH: 01953615 Phyla incisa Small USA: Texas small farm pond on the south side of road be... C. B. Hellquist 12915 1978-7-7
GH: 01955931 Verbena stricta Ventenat USA: Oklahoma land adjacent to Buckhorn Springs ca. 3.0 mi... C. B. Hellquist 12696 1978-6-17