Northern Prairie Wildlife Research Center
| Agoseris glauca (Pursh) Raf. | Prairie False Dandelion |
| Agropyron repens (L.) Beauv. | Quackgrass |
| Agropyron smithii Rydb. | Western Wheatgrass |
| Agropyron trachycaulum (Link) Malte | Slender Wheatgrass |
| Alisma gramineum K. C. Gmel. | Narrowleaf Waterplantain |
| Alisma triviale Pursh | Western Waterplantain |
| Alopecurus aequalis Sobol. | Shortawn Foxtail |
| Amaranthus retroflexus L. | Rough Pigweed |
| Ambrosia psilostachya D.C. | Perennial Ragweed |
| Androsace occidentalis Pursh | Fairy Candelabra |
| Anemone canadensis L. | Canada Anemone |
| Apocynum sibiricum Jacq. | Claspingleaf Dogbane |
| Artemisia biennis Willd. | Biennial Wormwood |
| Artemisia ludoviciana Nutt. | White Sage |
| Asclepias speciosa Torr. | Showy Milkweed |
| Aster brachyactis Blake | Rayless Aster |
| Aster ericoides L. | Smallflower Aster |
| Aster junciformis Rydb. | Rush Aster |
| Aster simplex Willd. | Lowland White Aster |
| Atriplex patula L. | Orach |
| Bacopa rotundifolia (Michx.) Wettst. | Waterhyssop |
| Beckmannia syzigachne (Nutt.) Fern. | Sloughgrass |
| Bidens frondosa L. | Common Beggarticks |
| Boltonia latisquama Gray | False-aster |
| Brassica kaber (DC.) L.C. Wheeler | Field Mustard |
| Calamagrostis canadensis (Michx.) Nutt. var. macouniana (Vasey) Stebbins | Bluejoint Reedgrass |
| Calamagrostis inexpansa Gray | Northern Reedgrass |
| Callitriche hermaphroditica L. | Northern Waterstarwort |
| Callitriche palustris L. | Common Waterstarwort |
| Carex aquatilis Wahlenb. | Water Sedge |
| Carex atherodes Spreng. | Slough Sedge |
| Carex aurea Nutt. | Golden Sedge |
| Carex interior Bailey | Sedge |
| Carex laeviconica Dew. | Sedge |
| Carex lanuginosa Michx. | Sedge |
| Carex praegracilis W. Boott | Sedge |
| Carex rostrata Stokes | Beaked Sedge |
| Carex sartwellii Dew. | Sedge |
| Carex vulpinoidea Michx. | Fox Sedge |
| Ceratophyllum demersum L. | Coontail |
| Chara spp. Valliant | Muskgrass |
| Chenopodium rubrum L. | Red Goosefoot |
| Chenopoidium salinum Standl. | Oakleaf Goosefoot |
| Cicuta maculata L. | Common Waterhemlock |
| Cirsium arvense (L.) Scop. | Canadian Thistle |
| Crepis runcinata (James) T. & G. | Scapose Hawksbeard |
| Cyperus acuminatus Torr. & Hook. | Cyperus |
| Deschampsia caespitosa (L.) Beauv. | Tufted Hairgrass |
| Descurainia sophia (L.) Webb | Flixweed |
| Distichlis stricta (Torr.) Rydb. | Saltgrass |
| Drepanocladus spp. C.M. | Aquatic Moss |
| Echinochloa crusgalli (L.) Beauv. | Wild Millet |
| Ellisia nyctelea L. | Waterpod |
| Eleocharis acicularis (L.) R. & S. | Needle Spikerush |
| Eleocharis calva Torr. | Slender Spikerush |
| Eleocharis engelmanni Steud. | Engelmann's Spikerush |
| Eleocharis palustris (L.) R. & S. | Common Spikerush |
| Epilobium glandulosum Lehm. | Northern Willowherb |
| Epilobium leptophyllum Raf. | Willowherb |
| Erigeron canadensis L. | Horseweed |
| Eriophorum angustifolium Honckeny | Tall Cottongrass |
| Eupatorium maculatum L. | Joe-pye Weed |
| Gentiana procera Holm. | Small Fringed Gentian |
| Glaux maritima L. | Sea Milkwort |
| Glyceria striata (Lam.) Hitchc. | Fowl Mannagrass |
| Glycyrrhiza lepidota (Nutt.) Pursh | Wild Licorice |
| Gratiola neglecta Torr. | Hedge Hyssop |
| Helenium autumnale L. | Sneezeweed |
| Helianthus maximiliani Schrad. | Narrowleaf Sunflower |
| Helianthus rydbergii Britton | Clustered Sunflower |
| Hierochloe odorata (L.) Beauv. | Sweetgrass |
| Hippuris vulgaris L. | Marestail |
| Hordeum jubatum L. | Wild Barley |
| Hypoxis hirsuta (L.) Coville | Yellow Stargrass |
| Iva xanthifolia Nutt. | False Ragweed |
| Juncus balticus Willd. | Baltic Rush |
| Juncus dudleyi Wieg. | Dudley's Rush |
| Juncus interior Wieg. | Rush |
| Juncus torreyi Coville | Torrey's Rush |
| Kochia scoparia (L.) Roth | Kochia |
| Lactuca scariola L. | Prickly Lettuce |
| Lemna minor L. | Common Duckweed |
| Lemna trisulca L. | Star Duckweed |
| Lilium philadelphicum L. | Red Lily |
| Lindernia dubia (L.) Pennell | False Pimpernel |
| Lobelia kalmii L. | Kalm's Lobelia |
| Lycopus asper Greene | Western Waterhorehound |
| Lysimachia hybrida Michx. | Lanceleaf Loosestrife |
| Lysimachia thrysiflora L. | Tufted Loosestrife |
| Marsilea mucronata A. Br. | Water Fern |
| Mentha arvensis L. | Wild Mint |
| Muhlenbergia asperifolia (Nees & Meyen) Parodi. | Scratchgrass |
| Myriophyllum exalbescens Fern. | Common Watermilfoil |
| Panicum capillare L. | Witchgrass |
| Panicum virgatum L. | Switchgrass |
| Parnassia palustris L. | Bog Star |
| Phalaris arundinacea L. | Reed Canarygrass |
| Phragmites communis Trin. | Phragmites |
| Plagiobothrys scopulorum (Greene) I. M. Johnston | False-purslane |
| Plantago eriopoda Torr. | Alkali Plantain |
| Poa palustris L. | Fowl Bluegrass |
| Poa pratensis L. | Kentucky Bluegrass |
| Polygonum amphibium L. | Water Smartweed |
| Polygonum coccineum Muhl. | Marsh Smartweed |
| Polygonum convolvulus L. | Black Bindweed |
| Polygonum lapathifolium L. | Nodding Smartweed |
| Polygonum prolificum L. | Longbranch Knotweed |
| Potamogeton gramineus L. | Variableleaf Pondweed |
| Potamogeton pectinatus L. | Sago Pondweed |
| Potamogeton richardsonii (Ar. Benn.) Rydb. | Claspingleaf Pondweed |
| Potentilla anserina L. | Silverweed |
| Potentilla norvegica L. | Rough Cinquefoil |
| Puccinellia nuttalliana (Schultes) Hitchc. | Alkaligrass |
| Ranunculus cymbalaria Pursh | Seaside Buttercup |
| Ranunculus gmelini DC. | Bog Watercrowfoot |
| Ranunculus macounii Britt. | Macoun's Buttercup |
| Ranunculus sceleratus L. | Cursed Buttercup |
| Ranunculus septentrionalis Poir. | Swamp Buttercup |
| Ranunculus trichophyllus chaix | White Watercrowfoot |
| Riccia fluitans L. | Aquatic Liverwort |
| Ricciocarpus natans (L.) Corda | Aquatic Liverwort |
| Rorippa islandica (Oeder) Borbas | Marsh Cress |
| Rosa arkansana Porter | Prairie Rose |
| Rosa woodsii Lindl. | Western Rose |
| Rumex maritimus L. | Golden Dock |
| Rumex mexicanus Meisn. | Narrowleaf Dock |
| Rumex occidentalis S. Wats. | Western Dock |
| Ruppia maritima L. | Saltwater Widgeongrass |
| Ruppia occidentalis S. Wats. | Western Widgeongrass |
| Sagittaria cuneata Sheldon | Arumleaf Arrowhead |
| Salicornia rubra Nels. | Samphire |
| Salix candida Flugge | Hoary Willow |
| Salix interior Rowlee | Sandbar Willow |
| Salsola kali L. | Russian Thistle |
| Scirpus acutus Muhl. | Hardstem Bulrush |
| Scirpus americanus Pers. | Common Threesquare |
| Scirpus atrovirens Willd. | Dark-green Bulrush |
| Scirpus fluviatilis (Torr.) Gray | River Bulrush |
| Scirpus heterochaetus Chase | Slender Bulrush |
| Scirpus nevadensis S. Wats. | Nevada Bulrush |
| Scirpus paludosus A. Nels. | Alkali Bulrush |
| Scirpus validus Vahl. | Softstem Bulrush |
| Scolochloa festucacea (Willd.) Link | Whitetop |
| Scutellaria epilobiifolia A. Hamilton | Marsh Skullcap |
| Senecio congestus (R. Br.) DC. | Marsh Ragwort |
| Setaria glauca (L.) Beauv. | Yellow Foxtail |
| Sium suave Walt. | Water-parsnip |
| Solidago altissima L. | Tall Goldenrod |
| Solidago graminifolia (L.) Salisb. | Narrowleaf Goldenrod |
| Sonchus arvensis L. | Sow-thistle |
| Sparganium eurycarpum Engelm. | Giant Burreed |
| Spartina gracilis Trin. | Alkali Cordgrass |
| Spartina pectinata Link. | Prairie Cordgrass |
| Stachys palustris L. | Marsh Hedgenettle |
| Suaeda depressa (Pursh) S. Wats. | Western Seablite |
| Symphoricarpos occidentalis Hook. | Wolfberry |
| Taraxacum officinale Weber | Common Dandelion |
| Teucrium occidentale Gray | Germander |
| Thlaspi arvense L. | Field Pennycress |
| Triglochin maritima L. | Common Arrowgrass |
| Typha "glauca" Godr.1 | Hybrid Cattail |
| Utricularia vulgaris L. | Common Bladderwort |
| Vernonia fasciculata Michx. | Western Ironweed |
| Veronica peregrina L. | Purslane Speedwell |
| Viola nephrophylla Greene | Kidneyleaf Violet |
| Xanthium italicum Moretti | Cocklebur |
| Zannichellia palustris L. | Horned Pondweed |
| Zigadenus elegans Pursh | White Camas |
| Zizia aptera (Gray) Fern | Golden Alexanders |
| 1Recent investigations show this to be a hybrid between Typha latifolia and Typha angustifolia. | |