Alismataceae GH: 01617967 Alisma subcordatum Pursh USA: Oklahoma west end of Tishomingo National Fish Hatcher... C. B. Hellquist & L. Crouch 12640 1978-6-12
GH: 01632265 Echinodorus cordifolius (Linnaeus) Grisebach USA: Oklahoma on the west side of Rtes. 87 & 259 at the ex... C. B. Hellquist & L. Crouch 12947 1978-7-12
GH: 01632266 Echinodorus cordifolius (Linnaeus) Grisebach USA: Oklahoma at campground, Beavers Bend State Park, Sec.... C. B. Hellquist & L. Crouch 12883 1978-7-2
GH: 01632267 Echinodorus cordifolius (Linnaeus) Grisebach USA: Oklahoma 6.0 miles south of Eagleton P.O. Weyerhauser... C. B. Hellquist & L. Crouch 12886 1978-7-2
GH: 01632316 Sagittaria brevirostra Mackenzie & Bush USA: Oklahoma on the north side of Rtes 87 &259, 2.9 miles... C. B. Hellquist & L. Crouch 12951 1978-7-12
GH: 01632317 Sagittaria brevirostra Mackenzie & Bush USA: Oklahoma north end of Lake Raymond Gary, north of Rte... C. B. Hellquist & L. Crouch 12962 1978-7-12
GH: 01632491 Sagittaria graminea Michaux USA: Oklahoma Little River at bridge 1.0 mile east of Fewe... C. B. Hellquist & L. Crouch 12855 1978-7-1
GH: 01632492 Sagittaria graminea Michaux USA: Oklahoma Clayton Lake at recreation area ca. 4.0 mile... C. B. Hellquist & L. Crouch 12866 1978-7-1
Asclepiadaceae GH: 01082928 Asclepias viridis Walter USA: Oklahoma 4.6 miles SW of jct. of Rtes. 99 & 99C, ca. ... C. B. Hellquist & L. Crouch 12495 1978-6-3
Asteraceae GH: 02188613 Conoclinium coelestinum (Linnaeus) de Candolle USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12744 1978-6-21
GH: 02188611 Conoclinium coelestinum (Linnaeus) de Candolle USA: Oklahoma Spring creek shore north of second dam above... C. B. Hellquist & L. Crouch 12976 1978-7-17
GH: 02217127 Mikania scandens (Linnaeus) Willdenow USA: Oklahoma south side of beaver marsh ca. 3/4 mile sout... C. B. Hellquist & L. Crouch 12667 1978-6-15
GH: 02022218 Plectocephalus americanus (Nuttall) D. Don USA: Oklahoma on the north side of Rte 53, 15.9 miles east... C. B. Hellquist & L. Crouch 12525A 1978-6-7
Azollaceae GH: 02069082 Azolla caroliniana Willdenow USA: Oklahoma Johnston County: wooded swamp SE of refuge h... C. B. Hellquist & L. Crouch 12629 1978-6-12
GH: 02069083 Azolla caroliniana Willdenow USA: Oklahoma Johnston County: small marshy pond on south ... C. B. Hellquist & L. Crouch 12756 1978-6-21
Brassicaceae GH: 01692501 Rorippa palustris (Linnaeus) Besser USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12663 1978-6-14
GH: 01692502 Rorippa palustris (Linnaeus) Besser USA: Oklahoma locally known as "Mayfield Flats", 0.25 mile... C. B. Hellquist & L. Crouch 12468 1978-6-3
GH: 01692503 Rorippa palustris (Linnaeus) Besser USA: Oklahoma Comanche Lake, 4.5 miles east of Comanche, R... C. B. Hellquist & L. Crouch 12516 1978-6-7
Ceratophyllaceae GH: 02073362 Ceratophyllum demersum Linnaeus USA: Oklahoma Rock creek ca. 1.5 miles east of Dougherty a... C. B. Hellquist & L. Crouch 12981 1978-7-17
GH: 02073359 Ceratophyllum demersum Linnaeus USA: Oklahoma Comanche Lake, 4.5 miles east of Comanche, R... C. B. Hellquist & L. Crouch 12523 1978-6-7
GH: 02073357 Ceratophyllum demersum Linnaeus USA: Oklahoma pond on south side of road ca. 0.2 mile east... C. B. Hellquist & L. Crouch 12754 1978-6-21
GH: 02073354 Ceratophyllum demersum Linnaeus USA: Oklahoma farm pond on the north side of rte. 53, 15.9... C. B. Hellquist & L. Crouch 12549 1978-6-7
Cyperaceae GH: 02370584 Carex cephalophora Muhlenberg USA: Oklahoma farm pond 0.2 mile south of the junction of ... C. B. Hellquist & L. Crouch 12622 1978-6-10
GH: 02394257 Carex crus-corvi Shuttleworth USA: Oklahoma Dick Lake, Tishomingo Natl. Wildlife Refuge,... C. B. Hellquist & L. Crouch 12626 1978-6-12
GH: 02394256 Carex crus-corvi Shuttleworth USA: Oklahoma "Mayfield Flats" 0.25 mi W of O. U. Biol. St... C. B. Hellquist & L. Crouch 12471 1978-6-3
GH: 02578000 Carex frankii Kunth USA: Oklahoma [data not captured] C. B. Hellquist & L. Crouch 12616 1978-6-10
GH: 02578001 Carex frankii Kunth USA: Oklahoma [data not captured] C. B. Hellquist & L. Crouch 12601 1978-6-10
GH: 02578002 Carex frankii Kunth USA: Oklahoma [data not captured] C. B. Hellquist & L. Crouch 12580 1978-6-10
GH: 01772005 Carex lupuliformis Sartwell ex Dewey USA: Oklahoma [data not captured] C. B. Hellquist & L. Crouch 12760 1978-6-21
GH: 01684460 Carex lurida Wahlenberg USA: Oklahoma south side of beaver marsh ca. 3/4 mile sout... C. B. Hellquist & L. Crouch 12685 1978-6-14
GH: 02395197 Carex vulpinoidea Michaux USA: Oklahoma on south side of road ca. 0.2 mile east of e... C. B. Hellquist & L. Crouch 12761 1978-6-21
Fabaceae GH: 01921467 Dalea purpurea Ventenat USA: Oklahoma west side of Route 99, 6.7 miles north of U.... C. B. Hellquist & L. Crouch 12586 1978-6-10
Gentianaceae GH: 02165016 Nymphoides peltata (S. G. Gmelin) Kuntze USA: Oklahoma small arm (middle of three) on Lake Texoma, ... C. B. Hellquist & L. Crouch 12644 1978-6-14
GH: 02165219 Sabatia angularis (Linnaeus) Pursh USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12831 1978-6-28
GH: 02165714 Sabatia campestris Nuttall USA: Oklahoma on east sie of Rte. 99, 0.1 mile south of jc... C. B. Hellquist & L. Crouch 12604 1978-6-10
GH: 02165713 Sabatia campestris Nuttall USA: Oklahoma on the south side of Rte. 70 o.3 mile west o... C. B. Hellquist & L. Crouch 12544 1978-6-7
GH: 02165712 Sabatia campestris Nuttall USA: Oklahoma shore of Comanche Lake, 4.5 miles east of Co... C. B. Hellquist & L. Crouch 12515 1978-6-7
GH: 02165711 Sabatia campestris Nuttall USA: Oklahoma Comanche Lake shore-line, 4.5 miles east of ... C. B. Hellquist & L. Crouch 12515 1978-6-7
GH: 02165710 Sabatia campestris Nuttall USA: Oklahoma 0.2 mile south of the jct. of Rtes. 22 & 99,... C. B. Hellquist & L. Crouch 12610 1978-6-10
Haloragaceae GH: 01626719 Myriophyllum aquaticum (Vellozo) Verdcourt USA: Oklahoma ca. 1.5 miles east of Dougherty along the Do... C. B. Hellquist & L. Crouch 12986 1978-7-17
GH: 01626721 Myriophyllum aquaticum (Vellozo) Verdcourt USA: Oklahoma Lake Raymond Gary, north of Rte. 70, Sec. 19... C. B. Hellquist & L. Crouch 12959 1978-7-12
GH: 01626841 Myriophyllum heterophyllum Michaux USA: Oklahoma Spring Creek North of the second dam above t... C. B. Hellquist & L. Crouch 12777 1978-6-21
GH: 01626842 Myriophyllum heterophyllum Michaux USA: Oklahoma 2.5 miles NE of Reagan, SE 1/4 Sec. 18, T2S,... C. B. Hellquist & L. Crouch 12991 1978-7-17
GH: 01626844 Myriophyllum heterophyllum Michaux USA: Oklahoma Upper Pennington Creek at Crossville-Mill Cr... C. B. Hellquist & L. Crouch 12577 1978-6-10
GH: 01626846 Myriophyllum heterophyllum Michaux USA: Oklahoma Price's Falls, NW 1/4, Sec. 33, T2S, R2E ca.... C. B. Hellquist & L. Crouch 12934 1978-7-8
GH: 01626847 Myriophyllum heterophyllum Michaux USA: Oklahoma at bridge 1.0 mile east of Fewell on Fewell-... C. B. Hellquist & L. Crouch 12859 1978-7-1
GH: 01626851 Myriophyllum heterophyllum Michaux USA: Oklahoma at Turner's Falls Park, Arbuckle Mountain ca... C. B. Hellquist & L. Crouch 12936 1978-7-8
GH: 01626997 Myriophyllum pinnatum (Walter) Britton USA: Oklahoma on the west side of Rtes. 87 & 259 at the ex... C. B. Hellquist & L. Crouch 12948 1978-7-12
GH: 01628416 Myriophyllum spicatum Linnaeus USA: Oklahoma [Wichita] Mts. National Wildlife Refuge. ca.... C. B. Hellquist & L. Crouch 12786 1978-6-26
GH: 01628418 Myriophyllum spicatum Linnaeus USA: Oklahoma ca. 1.0 mile west of [Wichita] Mountain Nati... C. B. Hellquist & L. Crouch 12795A 1978-6-26
GH: 01628421 Myriophyllum spicatum Linnaeus USA: Oklahoma 4.5 miles east of Comanche, Route 53A Sec. 2... C. B. Hellquist & L. Crouch 12522 1978-6-7
GH: 01628753 Proserpinaca palustris Linnaeus USA: Oklahoma at recreation area ca. 4.0 miles SE of Clayt... C. B. Hellquist & L. Crouch 12867 1978-7-1
GH: 01628754 Proserpinaca palustris Linnaeus USA: Oklahoma at Rec. area ca. 4.0 miles SE of Clayton, SE... C. B. Hellquist & L. Crouch 12867 1978-7-1
Iridaceae GH: 01747073 Iris cristata Aiton USA: Oklahoma south of "Skyline Drive" 2.7 miles south of ... C. B. Hellquist & L. Crouch 12882 1978-7-1
GH: 01748763 Sisyrinchium angustifolium Miller USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile e... C. B. Hellquist & L. Crouch 12680 1978-6-14
Isoetaceae GH: 02074928 Isoetes melanopoda Gay & Durieu USA: Oklahoma on east side of Honobia-Talihina Road, 2.7 m... C. B. Hellquist & L. Crouch 12849 1978-7-1
Juncaceae GH: 02098345 Juncus acuminatus Michaux USA: Oklahoma old channel of the Mt. Fork River at campgro... C. B. Hellquist & L. Crouch 12885 1978-7-2
GH: 02098343 Juncus acuminatus Michaux USA: Oklahoma Clayton Lake at recreation area ca. 4 miles ... C. B. Hellquist & L. Crouch 12865 1978-7-1
GH: 02099975 Juncus brachycarpus Engelmann USA: Oklahoma on the west side of Rte. 99, 0.8 mile south ... C. B. Hellquist & L. Crouch 12594 1978-6-10
GH: 02099973 Juncus brachycarpus Engelmann USA: Oklahoma on east side of Rte. 99, 2.1 miles south of ... C. B. Hellquist & L. Crouch 12567 1978-6-10
GH: 02101585 Juncus coriaceus Mackenzie USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile e... C. B. Hellquist & L. Crouch 12683 1978-6-14
GH: 02101969 Juncus diffusissimus Buckley USA: Oklahoma Boggy Creek along the south side of Rte. 32,... C. B. Hellquist & L. Crouch 12500 1978-6-3
GH: 02101968 Juncus diffusissimus Buckley USA: Oklahoma on east side of Rte. 99, 2.1 miles south of ... C. B. Hellquist & L. Crouch 12566 1978-6-10
GH: 02101967 Juncus diffusissimus Buckley USA: Oklahoma farm pond 0.2 mile south of the junction of ... C. B. Hellquist & L. Crouch 12613 1978-6-10
GH: 02101966 Juncus diffusissimus Buckley USA: Oklahoma on the south side of Rte. 70 0.3 mile west o... C. B. Hellquist & L. Crouch 12534 1978-6-7
GH: 02102429 Juncus dudleyi Wiegand USA: Oklahoma stream 4.6 miles Sw of jct. of Rtes. 99 & 99... C. B. Hellquist & L. Crouch 12501 1978-6-3
GH: 02102585 Juncus effusus Linnaeus USA: Oklahoma marsh locally known as "Mayfield Flats" 0.25... C. B. Hellquist & L. Crouch 12481 1978-6-3
GH: 02400098 Juncus marginatus Rostkovius USA: Oklahoma eastern end of Caddo Lake ca. 1.5 miles west... C. B. Hellquist & L. Crouch 12798 1978-6-26
GH: 02400097 Juncus marginatus Rostkovius USA: Oklahoma Crater Lake shore, 5.0 miles north of Cache,... C. B. Hellquist & L. Crouch 12815 1978-6-26
GH: 02400865 Juncus nodatus Coville USA: Oklahoma on the south side of Rte. 70 0.3 mile west o... C. B. Hellquist & L. Crouch 12533 1978-6-7
GH: 02400864 Juncus nodatus Coville USA: Oklahoma ponds of Durant Fish Hatchery, Armstrong, Se... C. B. Hellquist & L. Crouch 12729 1978-6-19
GH: 02400863 Juncus nodatus Coville USA: Oklahoma Crater Lake Shore, 5.0 miles north of Cache,... C. B. Hellquist & L. Crouch 12814 1978-6-26
GH: 02400861 Juncus nodatus Coville USA: Oklahoma eastern end of Caddo Lake ca. 1.5 miles west... C. B. Hellquist & L. Crouch 12797 1978-6-26
GH: 02400860 Juncus nodatus Coville USA: Oklahoma on north side of Rte 53, 7.5 miles east of C... C. B. Hellquist & L. Crouch 12531 1978-6-7
GH: 02400859 Juncus nodatus Coville USA: Oklahoma on east side of Rte. 99, 2.1 miles south of ... C. B. Hellquist & L. Crouch 12568 1978-6-10
GH: 02400858 Juncus nodatus Coville USA: Oklahoma Clayton Lake at Rec. area ca. 4.0 miles SE o... C. B. Hellquist & L. Crouch 12876 1978-7-1
GH: 02398065 Juncus repens Michaux USA: Oklahoma on the east side of Honobia-Talihina Road, 2... C. B. Hellquist & L. Crouch 12878 1978-7-1
GH: 02398448 Juncus scirpoides Lamarck USA: Oklahoma Crater Lake, 5.0 miles north of Cache, Witch... C. B. Hellquist & L. Crouch 12822 1978-6-26
GH: 02397519 Juncus torreyi Coville USA: Oklahoma private pond on the south side of Rte. 70 0.... C. B. Hellquist & L. Crouch 12536 1978-6-7
GH: 02397518 Juncus torreyi Coville USA: Oklahoma eastern end of Caddo Lake ca. 1.5 miles west... C. B. Hellquist & L. Crouch 12799 1978-6-26
GH: 02397514 Juncus torreyi Coville USA: Oklahoma on the east side of Rte. 99 7.4 miles north ... C. B. Hellquist & L. Crouch 12512 1978-6-7
GH: 02397512 Juncus torreyi Coville USA: Oklahoma farm pond on the west side of Rte. 99, 0.8 m... C. B. Hellquist & L. Crouch 12595 1978-6-10
GH: 02396113 Juncus validus Coville USA: Oklahoma in area known as "Happy Hollow" 8.0 miles so... C. B. Hellquist & L. Crouch 12745 1978-6-21
GH: 02396111 Juncus validus Coville USA: Oklahoma Boggy Creek along the south side of Rte. 32,... C. B. Hellquist & L. Crouch 12502 1978-6-3
GH: 02396110 Juncus validus Coville USA: Oklahoma Dick Lake, Tishomingo Natl. Wildlife Refuge,... C. B. Hellquist & L. Crouch 12625 1978-6-12
GH: 02396109 Juncus validus Coville USA: Oklahoma small arm (middle of three) on Lake Texoma, ... C. B. Hellquist & L. Crouch 12645 1978-6-14
GH: 02396108 Juncus validus Coville USA: Oklahoma pond on the west side of Rte. 99 ca. 5.0 mil... C. B. Hellquist & L. Crouch 12494 1978-6-3
Lamiaceae GH: 01555619 Clinopodium arkansanum (Nuttall) House USA: Oklahoma on the west sie of Rte. 99, 0.1 mile south o... C. B. Hellquist & L. Crouch 12597 1978-6-10
GH: 01555620 Clinopodium arkansanum (Nuttall) House USA: Oklahoma at Tishomingo National Fish Hatchery, Reagan... C. B. Hellquist & L. Crouch 12636 1978-6-12
GH: 01552320 Lycopus americanus Muhlenberg ex W. P. C. Barton USA: Oklahoma south side of road ca. 0.2 mile east of entr... C. B. Hellquist & L. Crouch 12941 1978-7-10
GH: 01552619 Lycopus rubellus Moench USA: Oklahoma north end of Lake Raymond Gary, north of Rte... C. B. Hellquist & L. Crouch 12961 1978-7-12
GH: 01600501 Monarda citriodora Cervantes ex Lagasca USA: Oklahoma west side of Route 99, 6.7 miles north of U.... C. B. Hellquist & L. Crouch 12587 1978-6-10
GH: 01597006 Prunella vulgaris Linnaeus USA: Oklahoma 0.2 mile south of the junction of Routes 22 ... C. B. Hellquist & L. Crouch 12623 1978-6-12
GH: 01596145 Pycnanthemum tenuifolium Schrader USA: Oklahoma on east side of Honobia-Talihina Road, 2.7 m... C. B. Hellquist & L. Crouch 12848 1978-7-1
GH: 01596148 Pycnanthemum tenuifolium Schrader USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12844 1978-6-28
GH: 01700018 Teucrium canadense Linnaeus USA: Oklahoma in area locally skown as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12751 1978-6-21
Lentibulariaceae GH: 01974888 Utricularia gibba Linnaeus USA: Oklahoma Sunset Pool ca. 1.0 mile west of Witchita Mt... C. B. Hellquist & L. Crouch 12792 1978-6-26
GH: 01974887 Utricularia gibba Linnaeus USA: Oklahoma West end of Crater Lake, 5.0 miles north of ... C. B. Hellquist & L. Crouch 12811 1978-6-26
GH: 01974885 Utricularia gibba Linnaeus USA: Oklahoma South side of beaver marsh ca. 3/4 mile sout... C. B. Hellquist & L. Crouch 12730 1978-6-19
GH: 01974884 Utricularia gibba Linnaeus USA: Oklahoma South side of beaver marsh ca. 3/4 mile sout... C. B. Hellquist & L. Crouch 12686 1978-6-14
GH: 01974883 Utricularia gibba Linnaeus USA: Oklahoma Clayton Lake at recreation area ca. 4.0 mile... C. B. Hellquist & L. Crouch 12862 1978-7-1
Najadaceae GH: 01734409 Zannichellia palustris Linnaeus USA: Oklahoma small pond on the south side of Rte. 99, 0.5... C. B. Hellquist & L. Crouch 12506 1978-6-7
Nymphaeaceae GH: 01739913 Nuphar advena (Aiton) W. T. Aiton USA: Oklahoma Spring Creek northof second dam above the jc... C. B. Hellquist & L. Crouch 12772 1978-6-21
GH: 01739914 Nuphar advena (Aiton) W. T. Aiton USA: Oklahoma at Tishomingo Natonal Fish Hatchery, Reagan ... C. B. Hellquist & L. Crouch 12634 1978-6-12
Onagraceae GH: 01779169 Ludwigia alternifolia Linnaeus USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12843 1978-6-28
GH: 01779176 Ludwigia alternifolia Linnaeus USA: Oklahoma at bridge 1.0 mile east of Fewell-Honobia Ro... C. B. Hellquist & L. Crouch 12858 1978-7-1
GH: 01780168 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 miles ... C. B. Hellquist & L. Crouch 12671 1978-6-14
GH: 01780169 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma 5.0 miles north of Cache. Witchita Mtns. Nat... C. B. Hellquist & L. Crouch 12817 1978-6-26
GH: 01780171 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma on the south side of road ca. 0.2 mile east ... C. B. Hellquist & L. Crouch 12943 1978-7-10
GH: 01780174 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma on the south side of Rte. 70 0.3 mile west o... C. B. Hellquist & L. Crouch 12546 1978-6-7
GH: 01780175 Ludwigia palustris (Linnaeus) Elliott USA: Oklahoma at the headwaters of Spring Creek, 2.5 miles... C. B. Hellquist & L. Crouch 12987 1978-7-17
GH: 01780369 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma north side of Rte. 53, 15.9 miles east of Co... C. B. Hellquist & L. Crouch 12551 1978-6-7
GH: 01780370 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma north side of Rte. 7.5 miles east of Comanch... C. B. Hellquist & L. Crouch 12552 1978-6-7
GH: 01780371 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma Clayton Lake at recreation area ca. 4.0 mile... C. B. Hellquist & L. Crouch 12863 1978-7-1
GH: 01780372 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma the Mt. Fork River at campground Beavers Ben... C. B. Hellquist & L. Crouch 12884 1978-7-2
GH: 01780375 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma 0.2 mile south of the junction of Rtes. 22 &... C. B. Hellquist & L. Crouch 12614 1978-6-10
GH: 01780376 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma ca. 0.9 mile south of entrance to Tishomingo... C. B. Hellquist & L. Crouch 12769 1978-6-21
GH: 01780377 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma on east side of Rte. 99, 2.1 miles south of ... C. B. Hellquist & L. Crouch 12564 1978-6-10
GH: 01780379 Ludwigia peploides glabrescens (Kuntze) P. H. Raven USA: Oklahoma Dick Lake, Tishomingo National Wildlife Ref.... C. B. Hellquist & L. Crouch 12574 1978-6-10
GH: 01780857 Ludwigia sp. USA: Oklahoma 6.0 miles south of Eagleton P.O., Weyerhause... C. B. Hellquist & L. Crouch 12889 1978-7-2
GH: 01780801 Ludwigia uruguayensis (Cambessedes) H. Hara USA: Oklahoma on south side of road ca. 0.2 mile east of e... C. B. Hellquist & L. Crouch 12753 1978-6-21
GH: 01643772 Oenothera speciosa Nuttall USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec.11, T6S... C. B. Hellquist & L. Crouch 12648 1978-6-14
GH: 01643773 Oenothera speciosa Nuttall USA: Oklahoma ca. 4.6 miles SW of jct. of Rtes. 99 & 99C, ... C. B. Hellquist & L. Crouch 12498 1978-6-3
Plantaginaceae GH: 01046534 Bacopa rotundifolia (Michaux) Wettstein USA: Oklahoma ca. 0.9 mile south of entrance to Tishomingo... C. B. Hellquist & L. Crouch 12764 1978-6-21
GH: 01046535 Bacopa rotundifolia (Michaux) Wettstein USA: Oklahoma on the west side of Rte. 99, 0.1 mile south ... C. B. Hellquist & L. Crouch 12600 1978-6-10
GH: 00466772 Callitriche heterophylla Pursh USA: Oklahoma Spring Creek at Connorville-Mill Creek Road ... C. B. Hellquist & L. Crouch 12563 1978-6-10
GH: 00466773 Callitriche heterophylla Pursh USA: Oklahoma Spring Creek at the Connorville-Mill Creek R... C. B. Hellquist & L. Crouch 12563 1978-6-10
GH: 00466775 Callitriche heterophylla Pursh USA: Oklahoma on the west side of Rte. 99, 0.1 mile south ... C. B. Hellquist & L. Crouch 12606 1978-6-11
GH: 00466776 Callitriche heterophylla Pursh USA: Oklahoma Big Springs at the headwaters of Spring Cree... C. B. Hellquist & L. Crouch 12989 1978-6-17
GH: 00466777 Callitriche heterophylla Pursh USA: Oklahoma Tishomingo National Fish Hatchery, Reagan, S... C. B. Hellquist & L. Crouch 12620 1978-6-10
GH: 00466778 Callitriche heterophylla Pursh USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist & L. Crouch 12780 1978-6-21
GH: 00466780 Callitriche heterophylla Pursh USA: Oklahoma Buckhorn Springs ca. 3.0 miles SE of Sulphur... C. B. Hellquist & L. Crouch 12995 1978-7-17
GH: 01999681 Gratiola neglecta Torrey USA: Oklahoma Little River at bridge 1.0 mile east of Fewe... C. B. Hellquist & L. Crouch 12860 1878-7-1
GH: 01999680 Gratiola neglecta Torrey USA: Oklahoma Clayton Lake at recreation area ca. 4.0 mile... C. B. Hellquist & L. Crouch 12870 1978-7-1
GH: 01999996 Gratiola virginiana Linnaeus USA: Oklahoma east shore of Crater Lake, 5.0 miles north o... C. B. Hellquist & L. Crouch 12816 1978-6-16
GH: 01999994 Gratiola virginiana Linnaeus USA: Oklahoma eastern end of Caddo Lake ca. 1.5 miles west... C. B. Hellquist & L. Crouch 12800 1978-6-26
GH: 01999993 Gratiola virginiana Linnaeus USA: Oklahoma Sunset Pool ca. 1.0 mile west of Witchita Mt... C. B. Hellquist & L. Crouch 12790 1978-6-26
GH: 01805302 Veronica anagallis-aquatica Linnaeus USA: Oklahoma Big Spring at the headwaters of Spring Creek... C. B. Hellquist & L. Crouch 12993 1978-7-17
GH: 01805301 Veronica anagallis-aquatica Linnaeus USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist & L. Crouch 12776 1978-6-21
Poaceae GH: 01815335 Tripsacum dactyloides (Linnaeus) Linnaeus USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12835 1978-6-28
Polemoniaceae GH: 01104323 Ipomopsis rubra (Linnaeus) Wherry USA: Oklahoma west of Reagan on road to Mill Creek C. B. Hellquist & L. Crouch 12582A 1978-6-10
Polygonaceae GH: 02364858 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Oklahoma north end of Crater Lake, 5 miles north of C... C. B. Hellquist & L. Crouch 12821 1978-6-26
GH: 02364856 Persicaria coccinea (Muhlenberg ex Willdenow) Greene USA: Oklahoma Mayfield Flats 0.25 mile west of the Univ. o... C. B. Hellquist & L. Crouch 13005 1978-7-23
GH: 02363413 Persicaria hydropiperoides (Michaux) Small USA: Oklahoma private pond on south side of Rte. 70, 0.3 m... C. B. Hellquist & L. Crouch 12535 1978-6-7
GH: 02363409 Persicaria hydropiperoides (Michaux) Small USA: Oklahoma Buckhorn Springs ca. 3 miles SE of Sulphur, ... C. B. Hellquist & L. Crouch 13000 1978-7-17
GH: 02363407 Persicaria hydropiperoides (Michaux) Small USA: Oklahoma west side of Rte. 99, ca. 0.7 mi north of La... C. B. Hellquist & L. Crouch 12540 1978-6-8
GH: 02363406 Persicaria hydropiperoides (Michaux) Small USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12660 1978-6-14
GH: 02363405 Persicaria hydropiperoides (Michaux) Small USA: Oklahoma ca. 3/4 mi S of Rte 70 and 1/2 mi East along... C. B. Hellquist & L. Crouch 12734 1978-6-19
GH: 02363884 Persicaria lapathifolia (Linnaeus) Delarbre USA: Oklahoma Tihsomingo National Fish Hatchery, Reagan. S... C. B. Hellquist & L. Crouch 12635 1978-6-12
GH: 02363883 Persicaria lapathifolia (Linnaeus) Delarbre USA: Oklahoma "Mayfield Flats" 0.25 miles west of O.U. Bio... C. B. Hellquist & L. Crouch 12470 1978-6-3
GH: 02363881 Persicaria lapathifolia (Linnaeus) Delarbre USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12650 1978-6-14
GH: 02362532 Persicaria pensylvanica (Linnaeus) M. Gomez USA: Oklahoma ca. 0.9 mile south of entrance to Tishomingo... C. B. Hellquist & L. Crouch 12766 1978-6-21
GH: 02006496 Rumex altissimus Alph. Wood USA: Oklahoma Parker's Pond 7.7 miles north of U.O.B.S. on... C. B. Hellquist & L. Crouch 12607 1978-6-10
GH: 02005097 Rumex crispus Linnaeus USA: Oklahoma "Mayfield Flats" 0.25 miles west of O.U. Bio... C. B. Hellquist & L. Crouch 12480 1978-6-3
GH: 02004065 Rumex pulcher Linnaeus USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist & L. Crouch 12774 1978-6-21
GH: 02004064 Rumex pulcher Linnaeus USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12655 1978-6-14
Pontederiaceae GH: 01919240 Heteranthera limosa Willdenow USA: Oklahoma west end of Crater Lake, 5.0 miles north of ... C. B. Hellquist & L. Crouch 12812 1978-6-26
Potamogetonaceae GH: 01564020 Potamogeton amplifolius Tuckerman USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist & L. Crouch 12778 1978-6-21
GH: 01564440 Potamogeton diversifolius Rafinesque USA: Oklahoma on east side of Honobia-Talihina Road, 2.7 m... C. B. Hellquist & L. Crouch 12877 1978-7-1
GH: 01564456 Potamogeton diversifolius Rafinesque USA: Oklahoma on south side of road ca. 0.2 mile east of e... C. B. Hellquist & L. Crouch 12759 1978-6-21
GH: 01564457 Potamogeton diversifolius Rafinesque USA: Oklahoma on east side of Rte. 99, 2 miles south of tu... C. B. Hellquist & L. Crouch 12570 1978-6-10
GH: 01564458 Potamogeton diversifolius Rafinesque USA: Oklahoma on west side of Rte. 99, 0.1 mile south of t... C. B. Hellquist & L. Crouch 12599 1978-6-10
GH: 01564459 Potamogeton diversifolius Rafinesque USA: Oklahoma Crater Lake, 5.0 miles north of Cache. Witch... C. B. Hellquist & L. Crouch 12810 1978-6-26
GH: 01564461 Potamogeton diversifolius Rafinesque USA: Oklahoma eastern end of Lake Rush, Witchia Mts. Natio... C. B. Hellquist & L. Crouch 12785 1978-6-26
GH: 01564466 Potamogeton diversifolius Rafinesque USA: Oklahoma Lake Rayomond Gary at recreation area of Ray... C. B. Hellquist & L. Crouch 12898 1978-7-2
GH: 01572237 Potamogeton foliosus Rafinesque USA: Oklahoma 2.5 miles NE. of Reagan, SE 1/4 Sec. 18, T2S... C. B. Hellquist & L. Crouch 12988 1978-7-17
GH: 01688929 Potamogeton nodosus Poiret USA: Oklahoma above Price's Falls ca. 2.5 miles SE of Joll... C. B. Hellquist & L. Crouch 12977 1978-7-17
GH: 01688932 Potamogeton nodosus Poiret USA: Oklahoma Rock Creek ca. 1.5 miles east of Dougherty a... C. B. Hellquist & L. Crouch 12985 1978-7-17
GH: 01688943 Potamogeton nodosus Poiret USA: Oklahoma north Side of Rte. 53, 7.5 miles east of Com... C. B. Hellquist & L. Crouch 12528 1978-6-7
GH: 01688944 Potamogeton nodosus Poiret USA: Oklahoma Comanche Lake, 4.5 miles est of Comanche, Ro... C. B. Hellquist & L. Crouch 12521 1978-6-7
GH: 01688948 Potamogeton nodosus Poiret USA: Oklahoma west side of Route 99, 6.7 miles north of U.... C. B. Hellquist & L. Crouch 12589 1978-6-10
GH: 01688958 Potamogeton nodosus Poiret USA: Oklahoma in area locally known as "Happy Hollow" 8.0 ... C. B. Hellquist & L. Crouch 12750 1978-6-21
GH: 01688961 Potamogeton nodosus Poiret USA: Oklahoma on south side of Rte. 70, west of Madill C. B. Hellquist & L. Crouch 12559 1978-6-7
GH: 01688963 Potamogeton nodosus Poiret USA: Oklahoma Spring Creek at Connorville-Mill Creek Road ... C. B. Hellquist & L. Crouch 12561 1978-6-10
GH: 01688964 Potamogeton nodosus Poiret USA: Oklahoma on the east side of Rte. 99, 0.1 mile south ... C. B. Hellquist & L. Crouch 12605 1978-6-10
GH: 01688967 Potamogeton nodosus Poiret USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12652 1978-6-14
GH: 01688968 Potamogeton nodosus Poiret USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile e... C. B. Hellquist & L. Crouch 12682 1978-6-14
GH: 01688976 Potamogeton nodosus Poiret USA: Oklahoma public access of Elmer Thomas Lake Wichita M... C. B. Hellquist & L. Crouch 12787 1978-6-26
GH: 01688977 Potamogeton nodosus Poiret USA: Oklahoma eastern end of Caddo Lake ca. 1.5 miles west... C. B. Hellquist & L. Crouch 12803 1978-6-26
GH: 01688980 Potamogeton nodosus Poiret USA: Oklahoma Quanah Lake at recreation area, Witchita Mts... C. B. Hellquist & L. Crouch 12788 1978-6-26
GH: 01695559 Potamogeton pulcher Tuckerman USA: Oklahoma Little River at bridge 1.0 mile east of Fewe... C. B. Hellquist & L. Crouch 12856 1978-7-1
GH: 01695771 Potamogeton pusillus Linnaeus USA: Oklahoma on the south side of Rte. 99, 0.5 mile south... C. B. Hellquist & L. Crouch 12507 1978-6-7
GH: 01695772 Potamogeton pusillus Linnaeus USA: Oklahoma on the west side of Rte. 99 ca. 5.0 miles N ... C. B. Hellquist & L. Crouch 12491 1978-6-3
GH: 01695775 Potamogeton pusillus Linnaeus USA: Oklahoma on the north side of Rte. 53, 7.5 miles east... C. B. Hellquist & L. Crouch 12529 1978-6-7
GH: 01695776 Potamogeton pusillus Linnaeus USA: Oklahoma Parker's Pond 7.7 miles north of U.O.B.S. on... C. B. Hellquist & L. Crouch 12608 1978-6-10
GH: 01695777 Potamogeton pusillus Linnaeus USA: Oklahoma east end of Caddo Lake ca. 1.5 miles west of... C. B. Hellquist & L. Crouch 12807 1978-6-26
GH: 01695778 Potamogeton pusillus Linnaeus USA: Oklahoma Crater Lake, 5.0 miles north of Cache, [Wich... C. B. Hellquist & L. Crouch 12809 1978-6-26
GH: 01695780 Potamogeton pusillus Linnaeus USA: Oklahoma Lake Raymond Gary at recreation area of Raym... C. B. Hellquist & L. Crouch 12899 1978-7-2
GH: 01746145 Potamogeton pusillus tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile e... C. B. Hellquist & L. Crouch 12690 1978-6-14
GH: 01732777 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma at Tishomingo National Fish Hatchery, Reagan... C. B. Hellquist & L. Crouch 12642 1978-6-12
GH: 01732778 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma Tishomingo National Fish Hatchery, Sec. 25, ... C. B. Hellquist & L. Crouch 12619 1978-6-10
GH: 01732787 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma Durant Fish Hatchery, Armstrong, Sec. 11, T6... C. B. Hellquist & L. Crouch 12728 1978-6-19
GH: 01732793 Stuckenia pectinata (Linnaeus) Börner USA: Oklahoma Comanche Lake, 4.5 miles east of Comanche, R... C. B. Hellquist & L. Crouch 12520 1978-6-7
Ranunculaceae GH: 01665828 Ranunculus longirostris Godron USA: Oklahoma Spring Creek north of second dam above the h... C. B. Hellquist & L. Crouch 12779 1978-6-21
GH: 01665833 Ranunculus longirostris Godron USA: Oklahoma Pennington Creek shore by Tishomingo Nationa... C. B. Hellquist & L. Crouch 12720 1978-6-18
GH: 01837218 Ranunculus pusillus Poiret USA: Oklahoma ca. 3/4 mile south of Rte. 70 and 1/2 mile e... C. B. Hellquist & L. Crouch 12674 1978-6-14
GH: 01838109 Ranunculus sceleratus Linnaeus USA: Oklahoma west side of Rte. 99 ca. 5.0 miles N of Will... C. B. Hellquist & L. Crouch 12489 1978-6-3
Scrophulariaceae GH: 01841513 Erythranthe glabrata (Kunth) G. L. Nesom USA: Oklahoma Spring Creek north of second dam above the j... C. B. Hellquist & L. Crouch 12771 1978-6-21
Sparganiaceae GH: 00947092 Sparganium americanum Nuttall USA: Oklahoma at Crossville-Mill Creek Road Bridge, Sec. 3... C. B. Hellquist & L. Crouch 12578 1978-6-10
Typhaceae GH: 00466994 Typha angustifolia Linnaeus USA: Oklahoma Comanche Lake, 4.5 miles east of Comanche, R... C. B. Hellquist & L. Crouch 12525 1978-6-7
GH: 00466995 Typha angustifolia Linnaeus USA: Oklahoma Rock Creek ca. 1.5 miles east of Dougherty a... C. B. Hellquist & L. Crouch 12979 1978-7-17
GH: 00933058 Typha domingensis Persoon USA: Oklahoma West side of Rte. 99 ca. 5.0 miles north of ... C. B. Hellquist & L. Crouch 12492 1978-6-3
GH: 00933307 Typha latifolia Linnaeus USA: Oklahoma Comanche Lake, 4.5 miles east of Comanche, R... C. B. Hellquist & L. Crouch 12524 1978-6-7