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Plant
habit
trees
shrubs
vines / lianas
herbaceous
ferns & allies
grass-like
cactus-like / succulents
aquatic & OBL wetland species
special groups
arums
composites
legumes
milkweeds
mints
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
sap
latex absent (sap clear)
latex present
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
Flower
principal flower color
white or cream
purple
blue
green
yellow
orange
red
pink
brown
inconspicuous
ovaries/pistils per flower
1
2-5
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
Washita Battlefield National Historic Site
NPS-SOPN
Species Count: 385
Acanthaceae
Justicia americana
Alismataceae
Echinodorus berteroi
Sagittaria cuneata
Sagittaria longiloba
Amaranthaceae
Amaranthus albus
Amaranthus palmeri
Amaranthus retroflexus
Bassia scoparia
Chenopodiastrum simplex
Chenopodium album
Chenopodium pratericola
Cycloloma atriplicifolium
Froelichia gracilis
Salsola tragus
Amaryllidaceae
Allium canadense
Allium drummondii
Anacardiaceae
Rhus glabra
Rhus trilobata
Rhus virens
Toxicodendron radicans
Apiaceae
Ammoselinum popei
Bifora americana
Chaerophyllum tainturieri
Polytaenia nuttallii
Spermolepis inermis
Vesper macrorhizus
Apocynaceae
Apocynum cannabinum
Asclepias arenaria
Asclepias asperula
Asclepias latifolia
Asclepias speciosa
Asclepias stenophylla
Asclepias syriaca
Funastrum cynanchoides
Araceae
Lemna minor
Asparagaceae
Nolina microcarpa
Yucca glauca
Asteraceae
Ambrosia artemisiifolia
Ambrosia psilostachya
Ambrosia trifida
Amphiachyris dracunculoides
Aphanostephus skirrhobasis
Artemisia dracunculus
Artemisia filifolia
Artemisia ludoviciana
Baccharis salicina
Brickellia eupatorioides
Chaetopappa ericoides
Cirsium ochrocentrum
Cirsium undulatum
Cirsium vulgare
Conyza canadensis
Croptilon hookerianum
Cyclachaena xanthiifolia
Eclipta prostrata
Engelmannia peristenia
Erigeron annuus
Erigeron bellidiastrum
Eupatorium serotinum
Euthamia gymnospermoides
Gaillardia pulchella
Gaillardia suavis
Grindelia ciliata
Grindelia ciliatus
Gutierrezia sarothrae
Helenium amarum
Helianthus annuus
Helianthus maximiliani
Helianthus nuttallii
Helianthus petiolaris
Heterotheca
Heterotheca canescens
Heterotheca subaxillaris
Heterotheca villosa
Hymenopappus filifolius
Hymenopappus flavescens
Iva annua
Lactuca serriola
Liatris punctata
Liatris pycnostachya
Lygodesmia juncea
Melampodium leucanthum
Onopordum acanthium
Pluchea odorata
Ratibida columnifera
Silphium laciniatum
Solidago canadensis
Solidago gigantea
Solidago nemoralis
Solidago petiolaris
Sonchus asper
Symphyotrichum
Symphyotrichum ericoides
Symphyotrichum falcatum
Symphyotrichum oblongifolium
Symphyotrichum praealtum
Symphyotrichum subulatum
Taraxacum officinale
Tetraneuris scaposa
Thelesperma megapotamicum
Townsendia texensis
Tragopogon dubius
Verbesina encelioides
Vernonia baldwinii
Xanthisma spinulosum
Xanthium strumarium
Zinnia grandiflora
Boraginaceae
Heliotropium convolvulaceum
Lithospermum caroliniense
Lithospermum incisum
Brassicaceae
Camelina rumelica
Capsella bursa-pastoris
Descurainia pinnata
Descurainia sophia
Dimorphocarpa candicans
Draba reptans
Lepidium densiflorum
Lepidium oblongum
Physaria gordonii
Cactaceae
Opuntia macrorhiza
Opuntia polyacantha
Campanulaceae
Triodanis holzingeri
Cannabaceae
Celtis laevigata
Celtis reticulata
Caryophyllaceae
Arenaria serpyllifolia
Paronychia jamesii
Silene antirrhina
Silene scouleri
Stellaria media
Commelinaceae
Commelina erecta
Tradescantia occidentalis
Convolvulaceae
Convolvulus arvensis
Convolvulus equitans
Cuscuta cuspidata
Cuscuta polygonorum
Evolvulus nuttallianus
Ipomoea leptophylla
Cucurbitaceae
Cucurbita foetidissima
Cyclanthera dissecta
Cupressaceae
Juniperus virginiana
Cyperaceae
Carex gravida
Carex meadii
Carex nebrascensis
Carex praegracilis
Cyperus lupulinus
Cyperus odoratus
Cyperus schweinitzii
Cyperus setiger
Cyperus setigerus
Eleocharis compressa
Eleocharis macrostachya
Fimbristylis vahlii
Fuirena simplex
Schoenoplectus acutus
Schoenoplectus pungens
Equisetaceae
Equisetum arvense
Euphorbiaceae
Acalypha gracilens
Acalypha ostryifolia
Chamaesyce missurica
Chamaesyce stictospora
Croton glandulosus
Croton texensis
Ditaxis humilis
Euphorbia davidii
Euphorbia dentata
Euphorbia fendleri
Euphorbia glyptosperma
Euphorbia hexagona
Euphorbia longicruris
Euphorbia maculata
Euphorbia marginata
Euphorbia nutans
Ricinus communis
Stillingia sylvatica
Tragia betonicifolia
Tragia ramosa
Fabaceae
Amorpha fruticosa
Astragalus lotiflorus
Astragalus plattensis
Astragalus purshii
Baptisia australis
Cercis canadensis
Chamaecrista fasciculata
Dalea aurea
Dalea candida
Dalea enneandra
Dalea purpurea
Dalea villosa
Desmanthus illinoensis
Desmodium canescens
Desmodium illinoense
Gleditsia triacanthos
Gymnocladus dioicus
Indigofera miniata
Lespedeza procumbens
Medicago lupulina
Medicago minima
Melilotus officinalis
Mimosa borealis
Mimosa nuttallii
Pediomelum cuspidatum
Pediomelum linearifolium
Pomaria jamesii
Prosopis glandulosa
Sophora nuttalliana
Strophostyles leiosperma
Gentianaceae
Eustoma exaltatum
Geraniaceae
Erodium cicutarium
Geranium pusillum
Grossulariaceae
Ribes aureum
Ribes cereum
Iridaceae
Sisyrinchium angustifolium
Sisyrinchium campestre
Juglandaceae
Juglans microcarpa
Juncaceae
Juncus torreyi
Krameriaceae
Krameria lanceolata
Lamiaceae
Clinopodium arkansanum
Lamium amplexicaule
Lycopus americanus
Marrubium vulgare
Monarda citriodora
Monarda clinopodioides
Monarda punctata
Salvia azurea
Scutellaria resinosa
Scutellaria wrightii
Teucrium canadense
Teucrium laciniatum
Linaceae
Linum pratense
Linum rigidum
Loasaceae
Mentzelia nuda
Lythraceae
Ammannia coccinea
Lythrum alatum
Malvaceae
Callirhoe involucrata
Hibiscus trionum
Sphaeralcea coccinea
Martyniaceae
Proboscidea louisianica
Menispermaceae
Nephroia carolina
Molluginaceae
Mollugo verticillata
Moraceae
Morus alba
Nyctaginaceae
Mirabilis albida
Mirabilis linearis
Mirabilis nyctaginea
Tripterocalyx micranthus
Oleaceae
Forestiera pubescens
Fraxinus pennsylvanica
Onagraceae
Calylophus berlandieri
Calylophus hartwegii
Oenothera berlandieri
Oenothera biennis
Oenothera cinerea
Oenothera curtiflora
Oenothera elata
Oenothera jamesii
Oenothera laciniata
Oenothera patriciae
Oenothera rhombipetala
Oenothera serrulata
Oenothera speciosa
Oenothera suffrutescens
Oenothera suffulta
Orobanchaceae
Castilleja purpurea
Orobanche fasciculata
Oxalidaceae
Oxalis corniculata
Oxalis stricta
Papaveraceae
Argemone albiflora
Argemone polyanthemos
Corydalis micrantha
Passifloraceae
Passiflora tenuiloba
Plantaginaceae
Penstemon albidus
Plantago patagonica
Plantago rhodosperma
Veronica arvensis
Poaceae
Aegilops cylindrica
Andropogon gerardi
Andropogon hallii
Aristida oligantha
Aristida purpurea
Bothriochloa ischaemum
Bothriochloa laguroides
Bouteloua curtipendula
Bouteloua dactyloides
Bouteloua gracilis
Bouteloua hirsuta
Bromus catharticus
Bromus japonicus
Bromus tectorum
Calamovilfa gigantea
Cenchrus echinatus
Cenchrus spinifex
Chloris verticillata
Cynodon dactylon
Dichanthelium malacophyllum
Dichanthelium oligosanthes
Digitaria ciliaris
Digitaria cognata
Diplachne fusca
Distichlis spicata
Echinochloa crus-galli
Elymus canadensis
Elymus virginicus
Eragrostis barrelieri
Eragrostis cilianensis
Eragrostis curvula
Eragrostis spectabilis
Erioneuron pilosum
Hopia obtusa
Hordeum pusillum
Lolium perenne
Muhlenbergia asperifolia
Muhlenbergia racemosa
Muhlenbergia sobolifera
Nassella leucotricha
Panicum capillare
Panicum virgatum
Pascopyrum smithii
Paspalum setaceum
Poa arachnifera
Poa arida
Saccharum giganteum
Saccharum ravennae
Schedonnardus paniculatus
Schizachyrium scoparium
Setaria parviflora
Setaria viridis
Sorghastrum nutans
Sorghum halepense
Spartina pectinata
Sporobolus airoides
Sporobolus cryptandrus
Sporobolus giganteus
Sporobolus vaginiflorus
Tridens flavus
Triplasis purpurea
Triticum aestivum
Vulpia octoflora
Polygonaceae
Eriogonum annuum
Eriogonum longifolium
Persicaria lapathifolia
Polygonum aviculare
Rumex crispus
Rumex patientia
Portulacaceae
Portulaca oleracea
Primulaceae
Androsace occidentalis
Ranunculaceae
Delphinium carolinianum
Rosaceae
Crataegus crus-galli
Potentilla hippiana
Potentilla recta
Prunus angustifolia
Rubiaceae
Cephalanthus occidentalis
Galium pilosum
Stenaria nigricans
Salicaceae
Populus angustifolia
Populus deltoides
Salix exigua
Salix nigra
Santalaceae
Comandra umbellata
Sapindaceae
Sapindus saponaria
Sapotaceae
Sideroxylon lanuginosum
Solanaceae
Chamaesaracha coniodes
Physalis cinerascens
Physalis longifolia
Quincula lobata
Solanum dimidiatum
Solanum elaeagnifolium
Solanum rostratum
Solanum triflorum
Tamaricaceae
Tamarix chinensis
Ulmaceae
Ulmus americana
Ulmus pumila
Ulmus rubra
Urticaceae
Boehmeria cylindrica
Parietaria pensylvanica
Urtica dioica
Verbenaceae
Glandularia bipinnatifida
Glandularia pumila
Phyla lanceolata
Violaceae
Hybanthus verticillatus
Vitaceae
Ampelopsis aconitifolia
Ampelopsis cordata
Cissus trifoliata
Parthenocissus quinquefolia
Vitis acerifolia
Zygophyllaceae
Kallstroemia parviflora
Tribulus terrestris