Aizoaceae GH: 01681114 Mollugo verticillata Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3874 1916-5-28
Anacardiaceae GH: 01867072 Rhus aromatica serotina (Greene) Rehder USA: Oklahoma Near Idabel H. W. Houghton 3906 1916-5-29
GH: 01867074 Rhus aromatica serotina (Greene) Rehder USA: Oklahoma Little River, Near Idabel H. W. Houghton 3955 1916-5-29
GH: 01867398 Rhus copallinum latifolia Engler USA: Oklahoma Red River bottoms, Near Grant H. W. Houghton 4045 1916-6-5
GH: 01867767 Rhus glabra Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3738 1916-5-22
GH: 01868268 Rhus trilobata Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3698 1916-5-20
GH: 01868269 Rhus trilobata Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3713 1916-5-21
GH: 01869199 Toxicodendron radicans negundo (Greene) Gillis USA: Oklahoma Near Tishomingo H. W. Houghton 3559 1916-4-27
GH: 01869210 Toxicodendron radicans negundo (Greene) Gillis USA: Oklahoma Near Boss H. W. Houghton 3718 1916-5-22
Apocynaceae GH: 02180537 Amsonia ciliata texana (A. Gray) Coulter USA: Oklahoma Near Tishomingo. H. W. Houghton 3606 1916-4-8
Araceae GH: 01654085 Arisaema dracontium (Linnaeus) Schott USA: Oklahoma Near Grant H. W. Houghton 4055 1916-6-5
GH: 01627858 Peltandra virginica (Linnaeus) Rafinesque ex Schott USA: Oklahoma Near Ft. Towson H. W. Houghton 3996 1916-6-1
Asclepiadaceae GH: 00961156 Asclepias purpurascens Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3886 1916-5-28
GH: 00961157 Asclepias purpurascens Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3677 1916-5-19
GH: 01082652 Asclepias verticillata Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4032 1/2 1916-6-4
GH: 01082926 Asclepias viridis Walter USA: Oklahoma Near Tishomingo H. W. Houghton 3550 1916-4-27
GH: 01083202 Gonolobus gonocarpos (Walter) L. M. Perry USA: Oklahoma Near Idabel H. W. Houghton 3754 1916-5-24
GH: 01083203 Gonolobus gonocarpos (Walter) L. M. Perry USA: Oklahoma Near Boss H. W. Houghton 3728 1916-5-23
GH: 01083204 Gonolobus gonocarpos (Walter) L. M. Perry USA: Oklahoma Near Idabel H. W. Houghton 3759 1916-5-24
GH: 01083273 Matelea baldwyniana (Sweet) Woodson USA: Oklahoma Near Idabel H. W. Houghton 3946 1916-5-29
Aspleniaceae GH: 02068182 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Oklahoma Near Idabel H. W. Houghton 3912. 1916-5-29
GH: 02068179 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Oklahoma Near Shawneetown H. W. Houghton 3857. 1916-5-26
GH: 02068560 Asplenium resiliens Kunze USA: Oklahoma Near Tishomingo H. W. Houghton 3530. 1916-4
Asteraceae GH: 02217935 Astranthium ciliatum (Rafinesque) G. L. Nesom USA: Oklahoma Near Idabel H. W. Houghton 3645 1916-5-18
GH: 02217925 Astranthium ciliatum (Rafinesque) G. L. Nesom USA: Oklahoma Near Tishomingo H. W. Houghton 3549 1916-4-27
GH: 02215565 Chaetopappa asteroides (Nuttall) de Candolle USA: Oklahoma Near Tishomingo H. W. Houghton 3601 1916-4-8
GH: 02207573 Erigeron annuus (Linnaeus) Persoon USA: Oklahoma Near Shawneetown H. W. Houghton 3859 1916-5-26
GH: 02352650 Erigeron philadelphicus Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3685 1916-5-20
GH: 02352642 Erigeron philadelphicus Linnaeus USA: Oklahoma Near Tishomingo H. W. Houghton 3613 1916-4-1
GH: 02351928 Erigeron strigosus Muhlenberg ex Willdenow USA: Oklahoma Near Shawneetown H. W. Houghton 3787 1916-5-26
GH: 01832026 Hieracium gronovii Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3799 1916-5-26
GH: 01833818 Krigia dandelion (Linnaeus) Nuttall USA: Oklahoma Near Tishomingo H. W. Houghton 3572 1916-4-15
Berberidaceae GH: 02169870 Podophyllum peltatum Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3653 1916-5-18
Betulaceae GH: 02071281 Carpinus caroliniana Walter USA: Oklahoma Near Ft. Towson H. W. Houghton 3982 1916-5-31
Bignoniaceae GH: 02054654 Campsis radicans (Linnaeus) Bureau USA: Oklahoma Near Grant H. W. Houghton 4034 1916-6-4
GH: 02054655 Campsis radicans (Linnaeus) Bureau USA: Oklahoma Near Idabel H. W. Houghton 3695 1916-5-20
Boraginaceae GH: 02027943 Hackelia virginiana (Linnaeus) I. M. Johnston USA: Oklahoma Near Grant H. W. Houghton 4036 1916-6-5
GH: 01995886 Lithospermum caroliniense (J. F. Gmelin) MacMillan USA: Oklahoma Near Shawneetown H. W. Houghton 3855 1916-5-26
GH: 01996989 Lithospermum parviflorum Weakley, Witsell & D. Estes USA: Oklahoma Near Idabel H. W. Houghton 3784 1916-5-25
GH: 01996987 Lithospermum parviflorum Weakley, Witsell & D. Estes USA: Oklahoma Near Ft. Towson H. W. Houghton 3979 1916-5-31
Brassicaceae GH: 00944576 Brassica juncea (Linnaeus) Czernajew USA: Oklahoma Near Idabel H. W. Houghton 3628 1916-5-18
GH: 00944821 Brassica rapa Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3666 1916-5-19
GH: 01549810 Lepidium virginicum Linnaeus USA: Oklahoma Near Tishomingo H. W. Houghton 3527 1916-4
GH: 01549811 Lepidium virginicum Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3624 1916-5-18
GH: 01573709 Physaria angustifolia (Nuttall ex Torrey & A. Gray) O'Kane & Al-Shehbaz USA: Oklahoma Near Idabel H. W. Houghton 3680 1916-5-20
GH: 01687872 Physaria ovalifolia (Rydberg) O'Kane & Al-Shehbaz USA: Oklahoma Near Tishomingo H. W. Houghton 3573 1916-4-15
GH: 01692679 Rorippa palustris fernaldiana (Butters & Abbe) Jonsell USA: Oklahoma Near Boss H. W. Houghton 3731 1916-5-23
GH: 01731436 Thlaspi arvense Linnaeus USA: Oklahoma Near Ft. Towson H. W. Houghton 3926 1916-5-29
Caesalpiniaceae GH: 01676499 Cercis canadensis Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3755 1916-5-24
GH: 01852277 Chamaecrista fasciculata (Michaux) Greene USA: Oklahoma near Grant H. W. Houghton 4022 1916-6-4
GH: 01676072 Gleditsia triacanthos Linnaeus USA: Oklahoma In Red River bottoms; Near Grant H. W. Houghton 4047 1916-6-5
Caprifoliaceae GH: 02183454 Sambucus nigra canadensis (Linnaeus) Bolli USA: Oklahoma Red R. bottoms Near Boss H. W. Houghton 3724 1916-5-22
GH: 02183453 Sambucus nigra canadensis (Linnaeus) Bolli USA: Oklahoma Red R. bottom, near Idabel H. W. Houghton 3762 1916-5-24
GH: 02036508 Symphoricarpos orbiculatus Moench USA: Oklahoma Near Tishomingo H. W. Houghton 3336 1916-10
Caryophyllaceae GH: 01743858 Cerastium glomeratum Thuillier USA: Oklahoma Near Tishomingo H. W. Houghton 3529 1916-4
GH: 01743859 Cerastium glomeratum Thuillier USA: Oklahoma Near Tishomingo H. W. Houghton 3612 1916-4-1
GH: 01751619 Silene antirrhina Linnaeus USA: Oklahoma Near Tishomingo H. W. Houghton 3547 1916-4-27
GH: 01623651 Stellaria media (Linnaeus) Villars USA: Oklahoma Near Idabel H. W. Houghton 3671 1916-5-19
Celastraceae GH: 01854855 Euonymus atropurpureus Jacquin USA: Oklahoma of bottoms of Little River, Near Idabel H. W. Houghton 1916-5-29
Cornaceae GH: 01845215 Cornus drummondii C. A. Meyer USA: Oklahoma Near Idabel H. W. Houghton 3945 1916-5-29
GH: 01845214 Cornus drummondii C. A. Meyer USA: Oklahoma Near Idabel H. W. Houghton 3649 1916-5-18
GH: 01845699 Cornus florida Linnaeus USA: Oklahoma along Little River, Near Idabel H. W. Houghton 3918 1916-5-29
GH: 01845698 Cornus florida Linnaeus USA: Oklahoma In woods, creek bottom H. W. Houghton 3948 1916-5-29
Crassulaceae GH: 01991835 Sedum pulchellum Michaux USA: Oklahoma Tishomingo H. W. Houghton 3553 1916-4-27
Cupressaceae GH: 02106868 Juniperus virginiana Linnaeus USA: Oklahoma Red. R. bottoms; Near Idabel H. W. Houghton 3772 1916-5-25
Cyperaceae GH: 02578007 Carex frankii Kunth USA: Oklahoma [data not captured] H. W. Houghton 3869 1916-5-28
GH: 02578011 Carex frankii Kunth USA: Oklahoma [data not captured] H. W. Houghton 3691 1916-5-20
GH: 02370767 Carex leavenworthii Dewey USA: Oklahoma Near Idabel H. W. Houghton 3741 1916-5-23
GH: 01772123 Carex louisianica L. H. Bailey USA: Oklahoma [data not captured] H. W. Houghton 3981 1916-5-31
GH: 01771896 Carex lupulina Muhlenberg ex Willdenow USA: Oklahoma Near Shawneetown H. W. Houghton 3868 1916-5-28
GH: 02371111 Carex muehlenbergii Schkuhr ex Willdenow USA: Oklahoma Near Shawneetown H. W. Houghton 3820 1916-5-26
GH: 02371749 Carex triangularis Boeckeler USA: Oklahoma Near Shawneetown H. W. Houghton 3821 1916-5-26
GH: 02395200 Carex vulpinoidea Michaux USA: Oklahoma Near Idabel H. W. Houghton 3626 1916-5-18
Ericaceae GH: 01764507 Rhododendron oblongifolium (Small) Millais USA: Oklahoma Near Idabel H. W. Houghton 3925 1916-5-29
Fabaceae GH: 01963022 Acmispon americanus (Nuttall) Rydberg USA: Oklahoma Near Grant H. W. Houghton 4016 1916-6-4
GH: 02047101 Astragalus canadensis Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4053 1916-6-5
GH: 02047954 Astragalus distortus Torr. & A. Gray USA: Oklahoma Near Tishomingo H. W. Houghton 3602 1916-4-8
GH: 01881040 Baptisia leucophaea Nuttall USA: Oklahoma Near Tishomingo H. W. Houghton 3603 1916-4-8
GH: 01881131 Baptisia nuttalliana Small USA: Oklahoma Near Shawneetown H. W. Houghton 3800 1916-5-26
GH: 01881573 Centrosema virginianum (Linnaeus) Bentham USA: Oklahoma Near Grant H. W. Houghton 4021 1916-6-4
GH: 01884509 Crotalaria sagittalis Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4023 1916-6-4
GH: 01885254 Dalea compacta pubescens (A. Gray) Barneby USA: Oklahoma Near Idabel H. W. Houghton 3639 1916-5-18
GH: 02129821 Medicago lupulina glandulosa Neilreich USA: Oklahoma Near Ft. Towson H. W. Houghton 3991 1916-6-1
GH: 02134230 Rhynchosia latifolia Nuttall ex Torr. & A. Gray USA: Oklahoma Near Grant H. W. Houghton 4018 1916-6-4
GH: 02136690 Stylosanthes biflora Britton, Stearn & Poggenburg USA: Oklahoma Near Shawneetown H. W. Houghton 3883 1916-5-28
GH: 02136686 Stylosanthes biflora Britton, Stearn & Poggenburg USA: Oklahoma Near Grant H. W. Houghton 4025 1916-6-4
GH: 02136858 Stylosanthes riparia Kearney USA: Oklahoma Near Shawneetown H. W. Houghton 3788 1916-5-26
GH: 02137656 Tephrosia virginiana (Linnaeus) Persoon USA: Oklahoma Near Shawneetown H. W. Houghton 3826 1916-5-26
GH: 02137654 Tephrosia virginiana (Linnaeus) Persoon USA: Oklahoma Near Grant H. W. Houghton 4009 1916-6-3
GH: 02342527 Trifolium carolinianum Michaux USA: Oklahoma Near Tishomingo H. W. Houghton 3557 1916-4-27
GH: 02343946 Trifolium pratense Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3950 1916-5-29
GH: 02344067 Trifolium reflexum Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3619 1916-5-18
GH: 02347151 Vicia ludoviciana Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3782 1916-5-25
GH: 02347150 Vicia ludoviciana Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3711 1916-5-21
GH: 02347148 Vicia ludoviciana Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3683 1916-5-20
GH: 02347258 Vicia minutiflora D. Dietrich USA: Oklahoma Near Tishomingo H. W. Houghton 3588 1916-4-8
Geraniaceae GH: 01864178 Geranium carolinianum Linnaeus USA: Oklahoma near Idabel H. W. Houghton 1916-5-20
GH: 01864184 Geranium carolinianum Linnaeus USA: Oklahoma near Tishomingo H. W. Houghton 1916-4-15
Hypericaceae GH: 00970032 Hypericum pseudomaculatum Bush ex Britton USA: Oklahoma Near Grant H. W. Houghton 4028 1916-6-4
Iridaceae GH: 01748762 Sisyrinchium angustifolium Miller USA: Oklahoma Near Grant H. W. Houghton 4047 1/2 1916-6-5
GH: 01750292 Sisyrinchium pruinosum E. P. Bicknell USA: Oklahoma Near Idabel H. W. Houghton 3687 1916-5-20
Juncaceae GH: 02101583 Juncus coriaceus Mackenzie USA: Oklahoma Near Shawneetown H. W. Houghton 3805 1916-5-26
GH: 02101582 Juncus coriaceus Mackenzie USA: Oklahoma Near Ft. Towson H. W. Houghton 3983 1916-5-31
GH: 02101974 Juncus diffusissimus Buckley USA: Oklahoma Near Idabel H. W. Houghton 3672 1916-5-19
GH: 02102838 Juncus effusus solutus (Fernald & Wiegand) Hämet-Ahti USA: Oklahoma Near Tishomingo H. W. Houghton 3542 1916-4-27
GH: 02102663 Juncus effusus compactus Lejeune & Courtois USA: Oklahoma Near Ft. Towson H. W. Houghton 3985 1916-5-31
GH: 02401768 Juncus interior Wiegand USA: Oklahoma Shawneetown H. W. Houghton 3794 1916-5-26
GH: 02401767 Juncus interior Wiegand USA: Oklahoma Near Tishomingo H. W. Houghton 3541 1916-4-27
GH: 02400329 Juncus marginatus odoratus Torrey USA: Oklahoma Near Shawneetown H. W. Houghton 3827 1916-5-26
GH: 02398454 Juncus scirpoides Lamarck USA: Oklahoma Near Shawneetown H. W. Houghton 3828 1916-6-26
GH: 02397523 Juncus torreyi Coville USA: Oklahoma Near Shawneetown H. W. Houghton 3816 1916-5-26
GH: 02396105 Juncus validus Coville USA: Oklahoma Near Idabel H. W. Houghton 3917 1916-5-29
Lamiaceae GH: 01553188 Hedeoma hispidum Pursh USA: Oklahoma Near Idabel H. W. Houghton 3751 1916-5-24
GH: 01551120 Marrubium vulgare Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3847 1916-5-26
GH: 01600509 Monarda citriodora Cervantes ex Lagasca USA: Oklahoma Near Idabel H. W. Houghton 3922 1916-5-29
GH: 01599492 Monarda russeliana (Nuttall) Sims USA: Oklahoma Near Idabel H. W. Houghton 3655 1916-5-18
GH: 01599498 Monarda russeliana (Nuttall) Sims USA: Oklahoma Near Idabel H. W. Houghton 3650 1916-5-18
GH: 01597010 Prunella vulgaris Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3620 1916-5-18
GH: 01596151 Pycnanthemum tenuifolium Schrader USA: Oklahoma Near Grant H. W. Houghton 4010 1916-6-3
GH: 01596152 Pycnanthemum tenuifolium Schrader USA: Oklahoma Near Shawneetown H. W. Houghton 3829 1916-5-26
GH: 01698479 Scutellaria parvula Michaux USA: Oklahoma Near Tishomingo H. W. Houghton 3582 1/2 1916-4-15
GH: 01700036 Teucrium canadense Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4039 1916-6-5
Linaceae GH: 02053259 Linum lewisii Pursh USA: Oklahoma Near Tishomingo H. W. Houghton 3580 1916-4-15
GH: 02053503 Linum medium texanum (Planchon) Fernald USA: Oklahoma Near Shawneetown H. W. Houghton 3808 1916-5-26
GH: 02053504 Linum medium texanum (Planchon) Fernald USA: Oklahoma Near Grant H. W. Houghton 4008 1916-6-3
GH: 02054184 Linum usitatissimum Linnaeus USA: Oklahoma Near Boss H. W. Houghton 3736 1916-5-23
Lobeliaceae GH: 01797332 Lobelia appendiculata A. de Candolle USA: Oklahoma Near Idabel H. W. Houghton 3658 1916-5-19
Malvaceae GH: 02202214 Callirhoe alcaeoides (Michaux) A. Gray USA: Oklahoma Tishomingo H. W. Houghton 3535. 1916-4-27
GH: 02202203 Callirhoe alcaeoides (Michaux) A. Gray USA: Oklahoma Tishomingo H. W. Houghton 3551. 1916-4-27
Mimosaceae GH: 01786459 Desmanthus illinoensis (Michaux) MacMillan ex B. L. Robinson & Fernald USA: Oklahoma Near Ft. Towson H. W. Houghton 3973 1916-5-31
GH: 01786845 Neptunia lutea (Leavenworth) Bentham USA: Oklahoma Near Ft. Towson H. W. Houghton 3975 1916-5-31
Nyctaginaceae GH: 01846441 Mirabilis nyctaginea (Michaux) MacMillan USA: Oklahoma Near Tishomingo H. W. Houghton 1916-4-27
Nymphaeaceae GH: 01739917 Nuphar advena (Aiton) W. T. Aiton USA: Oklahoma Ft. Towson H. W. Houghton 3997 1916-6-1
Oleaceae GH: 01847174 Forestiera acuminata (Michaux) Poiret USA: Oklahoma Near Bose, Red River bottom H. W. Houghton 1916-5-22
Onagraceae GH: 01644580 Oenothera laciniata Hill USA: Oklahoma Near Shawneetown H. W. Houghton 3853 1916-5-26
GH: 01643774 Oenothera speciosa Nuttall USA: Oklahoma Near Tishomingo H. W. Houghton 3552 1916-4-27
GH: 01643779 Oenothera speciosa Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3632 1916-5-18
Orobanchaceae GH: 01878777 Castilleja purpurea (Nuttall) G. Don USA: Oklahoma Near Idabel H. W. Houghton 3681 1916-5-20
GH: 02080137 Pedicularis canadensis Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3913 1916-5-29
Oxalidaceae GH: 01856054 Oxalis stricta Linnaeus USA: Oklahoma Near Ft. Towson H. W. Houghton 3992 1916-6-1
Papaveraceae GH: 01857962 Sanguinaria canadensis Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3870 1916-5-28
Passifloraceae GH: 00247775 Passiflora lutea Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4018 1/2 1916-6-4
GH: 00247782 Passiflora lutea Linnaeus USA: Oklahoma Near Idabel, McLeurtain County H. W. Houghton 3770 1/2 1916-5-25
Phyllanthaceae GH: 01971533 Phyllanthus polygonoides Nuttall ex Sprengel USA: Oklahoma Near Idabel H. W. Houghton 3644 1/2 1916-5-18
Phytolaccaceae GH: 01681318 Phytolacca americana Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3936 1916-5-29
GH: 01681515 Rivina humilis Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4049 1916-6-5
Plantaginaceae GH: 02001781 Nuttallanthus texanus (Scheele) D. A. Sutton USA: Oklahoma Near Tishomingo H. W. Houghton 3545 1916-4-27
GH: 02118378 Penstemon cobaea Nuttall USA: Oklahoma Near Tishomingo H. W. Houghton 3565 1916-4-15
GH: 02118375 Penstemon cobaea Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3717 1916-5-21
GH: 02119108 Penstemon digitalis Nuttall ex Sims USA: Oklahoma Near Idabel H. W. Houghton 3623 1916-5-18
GH: 02120841 Penstemon laxiflorus Pennell USA: Oklahoma Near Tishomingo H. W. Houghton 3555 1916-4-27
GH: 02120836 Penstemon laxiflorus Pennell USA: Oklahoma Near Idabel H. W. Houghton 3629 1916-5-18
GH: 01801080 Penstemon tubaeflorus Nuttall USA: Oklahoma Near Shawneetown H. W. Houghton 3889 1916-5-28
GH: 01801870 Plantago aristata Michaux USA: Oklahoma Near Shawneetown H. W. Houghton 3841 1916-5-26
GH: 01804212 Plantago virginica Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3703 1916-5-21
GH: 01804209 Plantago virginica Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3831 1916-5-26
GH: 01811226 Veronica peregrina xalapensis (Kunth) Pennell USA: Oklahoma Near Idabel H. W. Houghton 3664 1916-5-19
GH: 01811219 Veronica peregrina xalapensis (Kunth) Pennell USA: Oklahoma Near Tishomingo H. W. Houghton 3546 1916-4-27
Poaceae GH: 01813632 Bothriochloa laguroides torreyana (Steudel) Allred & Gould USA: Oklahoma Near Ft. Towson H. W. Houghton 3962 1916-5-31
GH: 01815198 Sorghum halepense (Linnaeus) Persoon USA: Oklahoma Near Ft. Towson H. W. Houghton 3958 1916-5-31
GH: 01815196 Sorghum halepense (Linnaeus) Persoon USA: Oklahoma Near Grant H. W. Houghton 4026 1916-6-4
Polemoniaceae GH: 01686333 Phlox pilosa Linnaeus USA: Oklahoma Near Tishomingo H. W. Houghton 3538 1916-4-27
Polygalaceae GH: 01970958 Polygala incarnata Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3790 1916-5-26
GH: 01968681 Polygala verticillata isocycla Fernald USA: Oklahoma Near Shawneetown H. W. Houghton 3843 1916-5-26
Polygonaceae GH: 02360568 Polygonum douglasii Greene USA: Oklahoma Near Idabel H. W. Houghton 3766 1916-5-24
GH: 02363129 Polygonum hydropiper Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 3881 1916-5-28
GH: 02006501 Rumex altissimus Alph. Wood USA: Oklahoma Near Tishomingo H. W. Houghton 3564 1916-4-15
GH: 02005100 Rumex crispus Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3656 1916-5-18
GH: 02005096 Rumex crispus Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3631 1916-5-18
GH: 02004066 Rumex pulcher Linnaeus USA: Oklahoma Near Ft. Towson H. W. Houghton 3951 1916-5-30
Primulaceae GH: 01922478 Dodecatheon meadia Linnaeus USA: Oklahoma Near Tishomingo H. W. Houghton 3604 1916-8-8
GH: 01926730 Samolus parviflorus Rafinesque USA: Oklahoma Near Grant H. W. Houghton 4024 1916-6-4
Ranunculaceae GH: 01657295 Clematis versicolor Small USA: Oklahoma Near Shawneetown H. W. Houghton 3872 1916-5-28
GH: 01662129 Ranunculus abortivus Linnaeus USA: Oklahoma Near Boss H. W. Houghton 3729 1916-5-23
GH: 01662131 Ranunculus abortivus Linnaeus USA: Oklahoma Near Idabel H. W. Houghton 3627 1916-5-18
GH: 01663834 Ranunculus fascicularis Muhlenberg ex Bigelow USA: Oklahoma Near Tishomingo H. W. Houghton 3534 1916-4-27
GH: 00038441 Ranunculus hispidus nitidus (Elliot) Duncan USA: Oklahoma Near Boss H. W. Houghton 3732 1/2 1916-5-23
GH: 00038441 Ranunculus septentrionalis pterocarpus L. D. Benson USA: Oklahoma Near Boss H. W. Houghton 3732 1/2 1916-5-23
Rhamnaceae GH: 01788740 Berchemia scandens (Hill) K. Koch USA: Oklahoma Near Idabel H. W. Houghton 1916-5-20
GH: 01789192 Ceanothus americanus Linnaeus USA: Oklahoma Near Shawneetown H. W. Houghton 1916-5-26
Rosaceae GH: 01865616 Crataegus sp. USA: Oklahoma Near Idabel H. W. Houghton 3678 1916-5-19
GH: 01865617 Crataegus sp. USA: Oklahoma Near Idabel H. W. Houghton 3694 1916-5-20
GH: 01865618 Crataegus sp. USA: Oklahoma Near Boss H. W. Houghton 3722 1916-5-22
GH: 01588946 Duchesnea indica (Andrews) Focke USA: Oklahoma Near Boss H. W. Houghton 3732 1916-5-23
GH: 01609394 Geum canadense texanum Fernald & Weatherby USA: Oklahoma Near Idabel H. W. Houghton 3686 1916-5-20
GH: 00994315 Gillenia stipulata (Muhlenberg ex Willdenow) Nuttall USA: Oklahoma Near Shawneetown H. W. Houghton 3884 1916-5-28
GH: 01570483 Potentilla simplex Michaux USA: Oklahoma Near Idabel H. W. Houghton 3652 1916-5-18
GH: 01559256 Rosa foliolosa Nuttall ex Torrey & A. Gray USA: Oklahoma Near Ft. Towson H. W. Houghton 3968 1916-5-31
GH: 01560635 Rosa setigera Michaux USA: Oklahoma Near Idabel H. W. Houghton 3679 1916-5-20
GH: 01602002 Rosa sp. USA: Oklahoma Near Idabel H. W. Houghton 3667 1916-5-19
GH: 01703315 Rubus trivialis Michaux USA: Oklahoma Near Idabel H. W. Houghton 3743 1916-5-23
GH: 01703319 Rubus trivialis Michaux USA: Oklahoma Near Tishomingo H. W. Houghton 3615 1916-4-1
Rubiaceae GH: 02359202 Galium aparine spurium (Linnaeus) Hartman USA: Oklahoma Near Idabel H. W. Houghton 3690 1916-5-20
GH: 02139059 Galium pilosum Aiton USA: Oklahoma Near Idabel H. W. Houghton 3663 1916-5-19
GH: 02139330 Galium texense A. Gray USA: Oklahoma near Tishomingo H. W. Houghton 3548 1916-4-27
Sapindaceae GH: 01870042 Sapindus saponaria drummondii (Hooker & Arnott) L. D. Benson USA: Oklahoma Near Idabel H. W. Houghton 3781 1916-5-25
Scrophulariaceae GH: 02040341 Verbascum thapsus Linnaeus USA: Oklahoma Red River bottom; Near Grant H. W. Houghton 4046 1/2 1916-6-5
Solanaceae GH: 01541315 Physalis heterophylla Nees USA: Oklahoma Near Idabel H. W. Houghton 3777 1916-5-25
GH: 01541567 Physalis mollis Nuttall USA: Oklahoma Near Grant H. W. Houghton 4037 1916-6-5
GH: 01542875 Solanum elaegnifolium Cavanilles USA: Oklahoma Near Grant H. W. Houghton 4020 1916-6-4
GH: 01542538 Solanum emulans Rafinesque USA: Oklahoma Near Tishomingo H. W. Houghton 3526 1916-4
GH: 01543276 Solanum emulans Rafinesque USA: Oklahoma Near Shawneetown H. W. Houghton 3852 1/2 1916-5-26
GH: 01543277 Solanum emulans Rafinesque USA: Oklahoma Near Idabel H. W. Houghton 3774 1916-5-25
Taxodiaceae GH: 01116250 Taxodium distichum (Linnaeus) Richard USA: Oklahoma Near Idabel H. W. Houghton 3896 1916-5-29
Urticaceae GH: 02170608 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Oklahoma Near Idabel H. W. Houghton 3757 1916-5-24
GH: 02170607 Parietaria pensylvanica Muhlenberg ex Willdenow USA: Oklahoma Near Idabel H. W. Houghton 3757 1916-5-24
GH: 02171052 Urtica chamaedryoides Pursh USA: Oklahoma Near Idabel H. W. Houghton 3761 1916-5-24
GH: 02171050 Urtica chamaedryoides Pursh USA: Oklahoma Near Rishomingo H. W. Houghton 3579 1916-4-15
Verbenaceae GH: 01800872 Glandularia canadensis (Linnaeus) Nuttall USA: Oklahoma Near Idabel H. W. Houghton 3643 1916-5-18
GH: 01953044 Glandularia pumila (Rydberg) Umber USA: Oklahoma Near Tishomingo H. W. Houghton 3570 1916-4-15
GH: 01954732 Verbena bracteata Lagasca & Rodriguez USA: Oklahoma Near Boss H. W. Houghton 3726 1916-5-23
GH: 01955938 Verbena stricta Ventenat USA: Oklahoma Near Grant H. W. Houghton 4000 1916-6-2
GH: 01955951 Verbena stricta Ventenat USA: Oklahoma Near Idabel H. W. Houghton 3646 1916-5-18
GH: 01955955 Verbena stricta Ventenat USA: Oklahoma Near Idabel H. W. Houghton 3622 1916-5-18
GH: 01956091 Verbena urticifolia Linnaeus USA: Oklahoma Near Grant H. W. Houghton 4015 1916-6-4
Violaceae GH: 02145205 Viola bicolor Pursh USA: Oklahoma Near Tishomingo H. W. Houghton 3533 1916-4
GH: 02212345 Viola sp. USA: Oklahoma Near Tishomingo H. W. Houghton 3608 1916-4-8
GH: 02212000 Viola villosa Walter USA: Oklahoma Near Idabel H. W. Houghton 3662 1916-5-19
Vitaceae GH: 01577370 Ampelopsis cordata Michaux USA: Oklahoma Near Idabel H. W. Houghton 3779 1916-5-25
GH: 01577371 Ampelopsis cordata Michaux USA: Oklahoma Near Idabel H. W. Houghton 3778 1916-5-25
GH: 01577170 Nekemias arborea (Linnaeus) J. Wen & Boggan USA: Oklahoma Near Idabel H. W. Houghton 3773 1916-5-25
GH: 01577172 Nekemias arborea (Linnaeus) J. Wen & Boggan USA: Oklahoma Near Boss H. W. Houghton 3723 1916-5-22
GH: 01579200 Vitis cinerea Engelmann ex Millardet USA: Oklahoma Near Idabel H. W. Houghton 3770 1916-5-25
GH: 01580022 Vitis rotundifolia Michaux USA: Oklahoma Near Idabel H. W. Houghton 3769 1916-5-24
GH: 01580025 Vitis rotundifolia Michaux USA: Oklahoma Near Idabel H. W. Houghton 3768 1916-5-24
