Journal of the Oklahoma Native Plant Society, Volume 4, Number 1, December 2004 30 Oklahoma Native Plant Record Volume 4, Number 1, December 2004 Vascular Flora of the Chouteau Wildlife Management Area Wagoner County, Oklahoma Bruce W. Hoagland Forrest Johnson (deceased) Oklahoma Biological Survey Oklahoma Biological Survey and Department of Geography University of Oklahoma University of Oklahoma Norman, OK 73019 Norman, OK 73019 e-mail: bhoagland@ou.edu This article reports the results of a vascular plant inventory of the Chouteau Wildlife Management Area in eastern Oklahoma. One hundred eighty-one species of vascular plants were collected from 144 genera and 63 families. The families with the greatest number of species were the Asteraceae (25), Poaceae (22), and Fabaceae (18). Fifty-seven species were annuals, four biennials, and 120 were perennials. Thirty-nine woody plant species were present. Twenty-one species exotic to North America were collected representing 11.6% of the flora. Azolla caroliniana was the only species tracked by the Oklahoma Natural Heritage Inventory found. This study reports 148 species previously not documented in Wagoner County. INTRODUCTION The objectives of this study were twofold: to fill a gap in floristic data for eastern Oklahoma and provide resource managers at the Chouteau Wildlife Management Area (CHWMA) with a comprehensive species list. Prior to 1996, when collecting began for this study, 198 specific and infraspecific taxa were reported from Wagoner County (Hoagland 2004). The first collections made in Wagoner County were by Robert Bebb, namesake of the University of Oklahoma Herbarium, in 1903 (Hoagland 2004). No additional collections were recorded until 1913, when G. W. Stevens visited the county. The peak collecting year in Wagoner County was 1939 (51 specimens), with work completed by R. Bebb (Hoagland et al. 2004). STUDY AREA The CHWMA is located on U.S. Army Corp of Engineers land in Wagoner County (Figure 1) and has been managed by the Oklahoma Department of Wildlife Conservation since 1973. It encompasses 402 hectares, and elevation ranges from 167m to 158m. Latitudinal extent ranges Hoagland, B.W. and Johnson, F.L. https://doi.org/10.22488/okstate.17.100030 from 35.86o N to 35.85o N and longitudinal extent from 95.34o W to 95.37o W. The CHWMA is located within the subtropical humid (Cf) climate zone (Trewartha 1968). Summers are warm (mean July temperature = 27.7o C) and humid, whereas winters are relatively short and mild (mean January temperature = 2.9o C). Mean annual precipitation is 114.5 cm, with periodic severe droughts (Oklahoma Climatological Survey 2004). Physiographically, the study area is located in the Osage Plains section of the Central Lowlands province (Hunt 1974) and within the Claremore Cuesta Plains province of Oklahoma (Curtis and Ham 1979). The surface geology is primarily Quaternary silt, sand, and clays deposited along the Verdigris River (Branson and Johnson 1979). The primary soil association at CHWMA is the Sage-Radley, which is composed of deep, level to gently sloping, poorly drained soils (Polone 1976). The potential natural vegetation type at CHWMA is the bottomland Forest type (Duck and Fletcher 1943). Oklahoma Native Plant Record 31 Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. METHODS Three collection sites were established at CHWMA for intensive floristic sampling. Sites were selected following a review of US Geological Survey 1:24,000 topographic maps and field reconnaissance. The predominant vegetation associations at these sites were classified according to Hoagland (2000). Collections also were made randomly throughout the site. Collections were made on a monthly basis from March through October 1996. Vouchers for species exotic to North America were made from naturalized populations only, thus excluding cultivated and ornamental plants. Specimens were processed at the Robert Bebb Herbarium of the University of Oklahoma (OKL) following standard herbarium techniques. Specimens were identified using Waterfall (1969) and Diggs et al. (1999). Origin (whether native or introduced to North America) was determined using Taylor and Taylor (1991) and United States Department of Agriculture-Natural Resources Conservation Service (USDA-NRCS 2004). Nomenclature follows USDA-NRCS (2004). Voucher specimens were deposited at OKL. RESULTS AND DISCUSSION A total of 181 vascular plants in 144 genera and 63 families were collected (Table 1). Among the angiosperms, 43 were monocots and 142 were dicots. The most species were collected from the families Poaceae (22), Asteraceae (25), Fabaceae (18). The genera Polygonum (6) and Carex (5) had the most species. Fifty-seven species were annual, four biennials, and 119 perennial. Thirty-nine woody plant species were present. Twenty-one exotic species were collected, representing 11.6% of the flora. The numbers of exotic species were greater in the families Poaceae (6) and Fabaceae (7). These numbers are comparable to recent floristic inventories from other areas in Oklahoma. For example, a flora of the Chickasaw National Recreation Area reported 12% exotic species (Hoagland and Johnson 2001), 9% at Oologah Wildlife Management Area (Hoagland and Wallick 2003), 15% at Keystone Wildlife Management Area (Hoagland and Buthod 2003), and 11% for an inventory of Tillman County (Hoagland et al. 2004). However, the percentage was lower, 6.6%, at Red Slough and Grassy Slough in southeastern Oklahoma (Hoagland and Johnson 2004). However, these studies report a higher number of exotic species in the Asteraceae. In addition, CHWMA is the first reported location for Alternanthera philoxeroides in Oklahoma, a noxious weed of the southeastern United States (Hoagland and McCarty 1998). Azolla caroliniana (G5S2) was the only species tracked by the Oklahoma Natural Heritage Inventory found at CHWMA. Species are ranked according to level of imperilment at the state (S) and global (G) levels on a scale of 1•5; 1 representing a species that is imperiled and 5 representing one that is secure (Groves et al. 1995). As a result of this study, 313 species are now known to occur in Wagoner County. Of the 181 species reported in this study, 33 had been previously collected in the county. There were 165 species reported in the Atlas of the Flora of Oklahoma database that were not reported in this study (Hoagland 2004). This study documented 148 species not previously reported from Wagoner County. The three collection sites occurred within four vegetation associations. A brief description of each follows: Aquatic and wetland vegetation Several aquatic and wetland vegetation types were present at CHWMA. All intergraded with one another, making clear delineations difficult. The predominant emergent wetland vegetation types were Jussiaea peploides - Polygonum hydropiperoides herbaceous association, Nelumbo lutea herbaceous association, and Juncus effusus herbaceous association. Cephalanthus occidentalis shrubland association was the predominant woody wetland vegetation type. Associated 32 Oklahoma Native Plant Record Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. species included Hibiscus laevis, Justicia americana, Potamogeton nodosus, Polygonum lapathifolium, P. pensylvanicum, Salix nigra, and Typha domingensis. Azolla caroliniana, a species tracked by the Oklahoma Natural Heritage Inventory (2004), was found in this habitat type. Quercus palustris - Carya illinoensis/Ilex decidua forest association This association was the predominant forest type at CHWMA. However, all stands were immature second growth. Associate species included Amorpha fruticosa, Ampelopsis cordata, Arundinaria gigantea, Fraxinus pennsylvanica, Gleditsia triacanthos, Passiflora lutea and Ulmus rubra. On natural levies along the Verdigris River this association intergraded with the Acer saccharinum • Acer negundo forest association. Disturbed areas and old-field vegetation This designation included areas which have been or are currently in cultivation, roadsides and areas visited by CHWMA visitors, and other areas exhibiting signs of physical disruption. Common plants in disturbed areas and old fields included: Ambrosia trifida, Geranium carolinianum, Melilotus officinalis, Oenothera biennis, Solanum carolinense, Sorghum halepense, and Trifolium dubium. ACKNOWLEDGMENTS This project was funded by a grant from the Oklahoma Department of Wildlife Conservation. Figure Location of Chouteau Wildlife Management Area, Wagoner County, Oklahoma, site of the floristic collection. Oklahoma Native Plant Record 33 Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. Annotated Species List for the Chouteau Wildlife Management Area The first entry is life history (A=annual, B=biennial, P=perennial); followed by abundance (1=least 5=dominant or codominant, Palmer et al. 1995); species not native to North America designated with an asterisk (*); habitat (AQ=Aquatic and wetland vegetation, BF = Quercus palustris • Carya illinoensis/Ilex decidua forest association, and DAOF=disturbed area/old-field); and collection number. Voucher specimens were deposited at the Robert Bebb Herbarium at the University of Oklahoma (OKL). PTERIDOPHYTA Azollaceae Azolla caroliniana Willd. (mosquito fern) A; 2; AQ; CH096 MAGNOLIOPHYTA MAGNOLIOPSIDA Acanthaceae Justicia americana (L.) Vahl (water willow) P; 2; AQ; CH037 Ruellia strepens L. (wild petunia) P; 2; BF; CH0173 Aceraceae Acer negundo L. (boxelder) P; 3; BF; CH079 A. saccharinum L. (silver maple) P; 2; BF; CH078 Amaranthaceae Alternanthera philoxeroides (Mart.) Griseb.* (alligator weed) P; 3; AQ; CH094 Amaranthus palmeri S. Wats. (Palmer's pigweed) A; 2; DAOF; CH0144 Apiaceae Limnosciadium pinnatum (DC.) Mathias & Constance (tansy dog shade) A; 3; AQ; CH065 Ptilimnium capillaceum (Michx.) Raf. (threadleaf mockbishopweed) A; 2; DAOF; CH0134 Sanicula canadensis L. (snakeroot) B; 2; BF; CH0143 Torilis arvensis (Huds.) Link.* (hedge parsley) A; 2; DAOF; CH063 Apocynaceae Apocynum cannabinum L. (Indian hemp) P; 3; DAOF; CH085 Aquifoliaceae Ilex decidua Walt. (deciduous holly) P; 3; BF; CH0114 Aristolochiaceae Aristolochia tomentosa Sims (wooly pipe vine) P; 2; BF; CH0101 Asclepiadaceae Asclepias incarnata L. (swamp milkweed) P; 2; AQ; CH0160 A. viridis Walt. (green milkweed) P; 2; DAOF; CH072 Asteraceae Ageratina altissima (L.) King & H.E. Robins. (white snakeroot) P; 2; DAOF; CH0194 Ambrosia artemisiifolia L. (common ragweed) A; 3; DAOF; CH0174 A. trifida L. (giant ragweed) A; 4; DAOF; CH0157 Bidens aristosa (Michx.) Britt. (bearded beggarticks) A; 2; AQ; CH0206 Boltonia asteroides (L.) L'Her. var. latisquamata (Gray) Cronq. (white doll's daisy) P; 2; AQ; CH0208 Cirsium altissimum (L.) Hill (tall thistle) B; 2; DAOF; CH0185 Conoclinium coelestinum (L.) DC. (blue mistflower) P; 2; AQ; CH0199 Conyza canadensis (L.) Cronq. (horseweed) A; 3; DAOF; CH0162 Coreopsis tinctoria Nutt. (plains coreopsis) A; 3; DAOF; CH0123 Dracopis amplexicaulis (Vahl.) Cass. (clasping coneflower) A; 4; AQ, DAOF; CH073 Eclipta prostrata (L.) L. (yerba de tajo) P; 3; AQ; CH0108 Elephantopus carolinianus Raeusch. (elephant's foot) P; 2; BF; CH0150 34 Oklahoma Native Plant Record Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. Erigeron strigosus Muhl. ex Willd. (daisy fleabane) B; 2; DAOF; CH090 Grindelia papposa Nesom & Suh (goldenweed) A; 2; DAOF; CH0111 Helianthus annuus L. (common sunflower) A; 2; DAOF; CH0164 Iva annua L. (marsh elder) A; 3; DAOF; CH0158 Lactuca serriola L.* (prickly lettuce) A; 2; DAOF; CH0145 Pyrrhopappus multicaulis (D. Don) DC. (Geiser's false dandelion) P; 2; DAOF; CH060 Solidago canadensis L. (Canada goldenrod) P; 2; DAOF; CH0197 Symphyotrichum ericoides (L.) Nesom (white heath aster) P; 2; DAOF; CH0189 S. ontarione (Wieg.) Nesom (bottomland aster) P; 2; DAOF; CH0200 S. subulatum (Michx.) Nesom (eastern saltmarsh aster) A; 4; AQ; CH0165 Verbesina virginica L. (frostweed) P; 2; BF; CH0184 Vernonia baldwinii Torr. (western ironweed) P; 2; DAOF; CH0163 Xanthium strumarium L. (cocklebur) A; 2; AQ; CH0209 Balsaminaceae Impatiens capensis Meerb. (jewelweed) A; 2; BF; CH0109 Bignoniaceae Campsis radicans (L.) Seem. ex Bureau (trumpetvine) P; 2; BF; CH083 Brassicaceae Lepidium densiflorum Schrad. (peppergrass) A; 2; DAOF; CH051 Rorippa palustris (L.) Bess (bog yellow cress) A; 2; AQ; CH088 Thlaspi arvense L.* (field pennycress) A; 1; DAOF; CH053 Campanulaceae Triodanis perfoliata (L.) Nieuw. (clasping Venus’ looking glass) A; 2; DAOF; CH082 Caprifoliaceae Sambucus nigra L. ssp. canadensis (L.) R. Bolli (elderberry) P; 2; BF; CH084 Viburnum rufidulum Raf. (rusty blackhaw) P; 2; BF; CH074 Celastraceae Euonymus atropurpurea Jacq. (wahoo) P; 2; BF; CH0187 Chenopodiaceae Chenopodium standleyanum Aellen (Standley's goosefoot) A; 3; DAOF; CH0159 Convolvulaceae Ipomoea lacunosa L. (white morning glory) A; 2; DAOF; CH0203 I. pandurata (L.) G.F.W. Mey. (bigroot morning glory) P; 3; DAOF; CH0129 Cornaceae Cornus drummondii C.A. Mey. (rough leaved dogwood) P; 3; DAOF; CH069 Crassulaceae Penthorum sedoides L. (ditch stonecrop) P; 3; AQ; CH0176 Ebenaceae Diospyros virginiana L. (persimmon) P; 2; DAOF; CH025 Euphorbiaceae Chamaesyce maculata (L.) Small (spotted spurge) A; 3; DAOF; CH0151 Euphorbia spathulata Lam. (warty spurge) A; 2; DAOF; CH049 Fabaceae Amorpha fruticosa L. (false indigo) P; 2; AQ; CH052 Cercis canadensis L. (redbud) P; 3; BF; CH0170 Desmanthus illinoensis (Michx.) MacM. ex B.L. Robins. & Fern. (bundleflower) P; 2; DAOF; CH0125 Desmodium paniculatum (L.) DC. (panicled tickclover) P; 3; BF; CH0106 Gleditsia triacanthos L. (honey locust) P; 3; BF; CH044 Gymnocladus dioicus (L.) K. Koch. Oklahoma Native Plant Record 35 Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. (Kentucky coffee tree) P; 2; BF; CH092 Lathyrus pusillus Ell. (low peavine) A; 2; DAOF; CH002 Lespedeza cuneata (Dum.-Cours.) G. Don* (sericea lespedeza) P; 2; DAOF; CH0167 Melilotus alba Medikus* (white sweet clover) A; 2; DAOF; CH071 M. officinalis (L.) Lam.* (yellow sweet clover) A; 3; DAOF; CH041 Senna marilandica (L.) Link (wild senna) P; 2; BF; CH0124 Sesbania herbacea (P. Mill.) McVaugh (bequilla) A; 5; AQ; CH0166 Strophostyles helvola (L.) Ell. (fuzzy trailing bean) A; 2; DAOF; CH0191 Trifolium arvense L.* (rabbit foot clover) A; 2; DAOF; CH040 T. dubium Sibthrop* (small hop clover) A; 2; DAOF; CH026 T. pratense L.* (red clover) P; 2; DAOF; CH0140 Vicia caroliniana Walt. (pole vetch) P; 3; DAOF; CH0128 V. villosa Roth* (hairy vetch) A; 3; DAOF; CH035 Fagaceae Quercus macrocarpa Michx. (bur oak) P; 2; BF; CH0135 Q. palustris Muenchh. (pin oak) P; 3; BF; CH034 Q. velutina Lam. (black oak) P; 2; BF; CH042 Geraniaceae Geranium carolinianum L. (Carolina cranesbill) A; 2; DAOF; CH027 Juglandaceae Carya illinoensis (Wangenh.) K. Koch (Pecan) P; 2; BF; CH087 Lamiaceae Prunella vulgaris L. (Common self heal) P; 2; BF; CH020 Lauraceae Sassafras albidum (Nutt.) Nees (sassafras) P; 2; BF; CH0120 Lythraceae Ammannia coccinea Rottb. (redstem loosestrife) A; 2; AQ; CH0141 Lythrum alatum Pursh (winged loosestrife) P; 2; AQ; CH0121 Malvaceae Hibiscus laevis All. (halberd leaved rose mallow) P; 2; AQ; CH0153 Sida spinosa L. (prickly sida) A; 1; DAOF; CH0152 Menispermaceae Calycocarpum lyonii (Pursh) Gray (cupseed) P; 2; BF; CH093 Cocculus carolinus (L.) DC. (Carolina snailseed) P; 2; BF; CH0103 Moraceae Morus rubra L. (red mulberry) P; 2; BF; CH0180 Nelumbonaceae Nelumbo lutea Willd. (Lotus) P; 2; AQ; CH0179 Oleaceae Fraxinus pennsylvanica Marsh. (green ash) P; 3; BF; CH043 Onagraceae Ludwigia palustris (L.) Ell. (marsh seedbox) P; 4; AQ; CH055 L. repens Forst. (water primrose) P; 2; AQ; CH0131 Oenothera biennis L. (common evening primrose) B; 3; DAOF; CH0161 O. laciniata Hill (cutleaf evening primrose) A; 2; DAOF; CH061 Oxalidaceae Oxalis stricta L. (yellow wood sorrel) P; 2; DAOF; CH081 Passifloraceae Passiflora lutea L. (yellow passionflower) P; 2; BF; CH058 Phytolaccaceae Phytolacca americana L. (pokeweed) P; 2; DAOF; CH0116 Polygonaceae Polygonum hydropiper L.* (water pepper) A; 2; AQ; CH0115 P. hydropiperoides Michx.* (mild water pepper) P; 4; AQ; CH0113 36 Oklahoma Native Plant Record Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. P. lapathifolium L. (pale smartweed) A; 3; AQ; CH0190 P. pensylvanicum L. (Pennsylvania smartweed) A; 2; AQ; CH0204 P. ramosissimum Michx. (knotweed) A; 2; AQ; CH014 P. scandens L. (false buckwheat) P; 2; AQ; CH0193 Rumex altissimus Wood (pale dock) P; 2; DAOF; CH089 R. crispus L.* (curly dock) P; 3; DAOF; CH091 R. verticillatus L. (Water dock) P; 2; DAOF; CH07 Ranunculaceae Clematis pitcheri Torr. & Gray (Pitcher's clematis) P; 2; BF; CH046 Ranunculus sceleratus L. (cursed buttercup) A; 2; AQ; CH031 Rosaceae Crataegus viridis L. (green hawthorn) P; 3; BF; CH06 Geum canadense Jacq. (white avens) P; 2; BF; CH0112 Rosa multiflora Thunb. ex Murr.* (Japanese rose) P; 2; DAOF; CH033 R. setigera Michx. (climbing prairie rose) P; 2; DAOF; CH056 Rubus trivialis Michx. (southern blackberry) P; 3; BF; CH0105 Rubiaceae Cephalanthus occidentalis L. (buttonbush) P; 2; AQ; CH0138 Galium aparine L. (catchweed bedstraw) A; 2; BF; CH036 Spermacoce glabra Michx. (smooth buttonweed) P; 2; AQ; CH0155 Salicaceae Salix nigra Marsh. (black willow) P; 2; AQ; CH0192 Sapindaceae Sapindus saponaria L. var. drummondii (Hook. & Arn.) L. Benson (soapberry) P; 2; BF; CH077 Sapotaceae Sideroxylon lanuginosum Michx. (chittamwood) P; 2; BF; CH0110 Scrophulariaceae Lindernia dubia (L.) Pennell (false pimpernel) A; 2; AQ; CH0136 Penstemon digitalis Nutt. ex Sims (smooth penstemon) P; 2; DAOF; CH045 Veronica peregrina L. (purslane speedwell) A; 2; DAOF; CH024 Solanaceae Physalis angulata L. (cutleaf ground cherry) A; 2; DAOF; CH015 Solanum carolinense L. (Carolina horsenettle) P; 2; DAOF; CH062 Ulmaceae Celtis laevigata Willd. (sugarberry) P; 4; BF; CH01 Ulmus alata Michx. (winged elm) P; 3; BF; CH032 U. rubra Muhl. (slippery elm) P; 4; BF; CH038 Urticaceae Boehmeria cylindrica (L. ) Sw. (false nettle) P; 2; BF; CH0175 Valerianaceae Valerianella radiata (L.) Dufr. (common beaked cornsalad) A; 2; AQ; CH08 Verbenaceae Phyla lanceolata (Michx.) Greene (northern fogfruit) P; 2; AQ; CH0139 Viscaceae Phoradendron leucarpum (Raf.) Reveal & M.C. Johnston (eastern mistletoe) P; 2; BF; CH086 Vitaceae Ampelopsis arborea (L.) Koehne (peppervine) P; 2; BF; CH0100 A. cordata Michx. (racoon grape) P; 2; BF; CH0147 Parthenocissus quinquefolia (L.) Planch. (Virginia creeper) P; 3; BF; CH098 Vitis aestivalis Michx. (pigeon grape) P; 3; BF; CH0102 V. cinerea (Engelm.) Millard (sweet grape) P; 2; BF; CH0107 Oklahoma Native Plant Record 37 Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. LILIOPSIDA Alismataceae Echinodorus cordifolius (L.) Griesb. (creeping burhead) P; 2; AQ; CH0177 Sagittaria latifolia Willd. (duck potato) P; 2; AQ; CH0186 Araceae Arisaema dracontium (L.) Schott (green dragon) P; 2; BF; CH0114 Cyperaceae Carex crus-corvi Shuttlw. ex Kunze (ravenfoot sedge) P; 2; AQ; CH070 C. granularis Muhl. ex Willd. var. haleana (Olney) Porter (Limestone meadow sedge) P; 2 BF; CH0032 C. hyalinolepis Steudel (shoreline sedge) P; 2; AQ; CH0089 C. tribuloides Wahlenberg (blunt broom sedge) P; 2 BF; CH0103 C. vulpinoidea Michx. (fox sedge) P; 2 BF; CH0230 Cyperus pseudovegetus Stued. (marsh flatsedge) P; 2; AQ; CH0114 C. strigosus L. (strawcolored flatsedge) P; 2; AQ; CH097 Eleocharis compressa Sullivant (flatstem spikesedge) P; 4; AQ; CH052 E. obtusa (Willd.) J.A. Schultes (blunt spikesedge) P; 2; AQ; CH0039 Iridaceae Sisyrinchium angustifolium P. Mill. (blue eyed grass) P; 2; DAOF; CH0029 Juncaceae Juncus acuminatus Michx. (tapertip rush) P; 2; AQ; CH063 J. effusus L. (soft rush) P; 2; AQ; CH024 J. interior Wieg. (inland rush) P; 2; AQ; CH041 Liliaceae Allium canadense L. (wild onion) P; 2; DAOF; CH030 Poaceae Agrostis hyemalis (Walt.) B. S. P. (ticklegrass) P; 2; AQ; CH0017 Alopecurus carolinianus Walt. (Carolina foxtail) A; 2; AQ; CH0019 Andropogon glomeratus (Walt.) B. S. P. (broomsedge) P; 3; DAOF; CH0182 Arundinaria gigantea (Walt.) Mulh. (giant cane) P; 2; BF; CH076 Bromus japonicus Thunb. ex Murr*. (Japanese brome) P; 3; DAOF; CH047 Digitaria sanguinalis (L.) Scop. (hairy crabgrass) A; 3; DAOF; CH0169 Echinochloa colona (L.) Link* (barnyard grass) A; 2; AQ; CH0205 E. crus-galli (L.) Beauv.* (barnyard grass) A; 3; AQ; CH0104 E. muricata (Beauv.) Fern.* (barnyard grass) A; 2; AQ; CH0130 Elymus virginicus L. (Virginia wild rye) P; 2; BF; CH075 Eragrostis spectabilis (Pursh.) Steud. (purple lovegrass) P; 2; BF; CH0196 Hordeum pusillum Nutt. (little barley) A; 3; DAOF; CH050 Leersia oryzoides (L.) Sw. (rice cutgrass) P; 2; AQ; CH0181 Leptochloa panicea (Retz.) Ohwi ssp. brachiata (Steudl.) N. Snow (red sprangletop) A; 2; AQ; CH0201 Lolium perenne L.* (perennial ryegrass) P; 2; DAOF; CH048 Panicum dichotomiflorum Michx. (fall panicum) A; 2; BF; CH0198 Paspalum pubiflorum Rupr. ex Fourn. (hairyseed paspalum) P; 2; DAOF; CH0202 Setaria parviflora (Poir.) Kerguélen. (knotroot bristlegrass) P; 2; DAOF; CH0207 S. viridis (L.) Beauv.* (green foxtail) A; 2; DAOF; CH0127 Sorghum halepense (L.) Pers.* (Johnson grass) 38 Oklahoma Native Plant Record Volume 4, Number 1, December 2004 Hoagland, B.W. and Johnson, F.L. P; 3; DAOF; CH021 Sphenopholis obtusata (Michx) Scribn. (wedgegrass) P; 2; AQ; CH010 Tridens flavus (L.) A.S. Hitchc. (redtop) P; 3; DAOF; CH0183 Potamogetonaceae Potamogeton nodosus Poir. (long leaved pondweed) P; 2; AQ; CH095 Smilacaceae Smilax bona-nox L. (greenbriar) P; 2; BF; CH097 S. glauca Walt. (pale greenbriar) P; 2; BF; CH0119 Typhaceae Typha domingensis Pers. (southern cattail) P; 2; AQ; CH0178 Table Summary of floristic collections at the Chouteau Wildlife Management Area, Wagoner County, Oklahoma. Table format follows Palmer et al. (1995). Taxonomic Group Species Native spp. Introduced spp. Pteridophyta 1 1 0 Magnoliophyta Magnoliopsida 137 122 15 Liliopsida 43 37 6 Total 181 160 21 LITERATURE CITED Branson, C.C. and K.S. Johnson. 1979. Generalized geologic map of Oklahoma. Page 4 in K.S. Johnson, C.C. Branson, N.M. Curtis, W. E. Ham, W.E. Harrison, M.V. Marcher, and J.F. Roberts, editors, Geology and Earth Resources of Oklahoma. Oklahoma Geological Survey, Norman. Curtis, N.M. and W.E. Ham. 1979. Geomorphic provinces of Oklahoma. Page 45 in K.S. Johnson, C.C. Branson, N.M. Curtis, W.E. Ham, W.E. Harrison, M.V. Marcher, and J.F. Roberts, editors, Geology and Earth Resources of Oklahoma. Oklahoma Geological Survey, Norman. Diggs, G.M., B.L. Lipscomb, and R.J. O’Kennon. 1999. Shinners and Mahler’s Illustrated Flora of North Central Texas. 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