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Minnesota Biodiversity Atlas

Home > Biodiversity in Minnesota > Plants of the Cannon River Valley Trail
Authors: Caitlyn Jacobson & Hakeem Hamshari
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Abstract: A student research project in PMB4321: Minnesota Flora
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Families: 80
Genera: 197
Species: 314
Total Taxa (details): 315
Acalypha rhomboidea Rafinesque - diamond copperleaf
Acer negundo L. - box elder
Acer saccharinum L. - silver maple
[Actaea arguta Nuttall, Actaea arguta var. alabastrina Lunell]
Adiantum pedatum L. - northern maidenhair
[Adiantum pedatum var. pedatum]
[Eupatorium rugosum Houtt.]
[Eupatorium rugosum var. chlorolepis Fernald]
[Agrostis alba L., Agrostis stolonifera var. major (Gaudin) Farw.]
[Agrostis dulcis (Pers.) Sibth. ex Kunth]
[Amaranthus rudis J.D. Sauer, Amaranthus tamariscinus Nutt.]
[Ambrosia coronopifolia Torr. & A. Gray, Ambrosia psilostachya var. californica (Rydb.) S.F. Blake]
[Amelanchier wiegandii E.L. Nielsen]
[Amelanchier huronensis Wiegand, Amelanchier sanguinea var. sanguinea]
[Amelanchier huronensis Wiegand, Amelanchier sanguinea (Pursh) DC.]
[Amelanchier stolonifera Wiegand]
[Amphicarpa bracteata (L.) Fernald, Amphicarpaea comosa (L.) G. Don ex Loudon]
[Andropogon furcatus Muhl. ex Willd.]
[Hepatica acutiloba DC., Hepatica nobilis var. acuta (Pursh) Steyerm.]
[Hepatica americana (DC.) Ker Gawl., Hepatica nobilis var. obtusa (Pursh) Steyerm.]
Anemone quinquefolia L. - two-leaf anemone
[Anemone quinquefolia f. rubra John W. Moore, Anemone quinquefolia var. bifolia]
Anemone virginiana L. - tall thimbleweed
Angelica atropurpurea L. - purplestem angelica
[Angelica atropurpurea var. occidentalis Fassett]
Antennaria neglecta Greene - field pussytoes
[Antennaria angustiarum Lunell, Antennaria campestris Rydb., Antennaria chelonica Lunell, Antennaria lunellii Greene]
Antennaria plantaginifolia (L.) Richardson - plantain leaved pussytoes
Aquilegia canadensis L. - red columbine
[Arabis lyrata L.]
Arabidopsis lyrata subsp. lyrata - lyre leaved rockcress
Aralia nudicaulis L. - wild sarsaparilla
Aralia racemosa L. - American spikenard
Artemisia biennis Willdenow - biennial wormwood
Artemisia serrata Nutt. - leafy wormwood
Asarum canadense L. - Canadian wildginger
[Asarum canadense var. acuminatum Ashe, Asarum canadense var. canadense, Asarum reflexum E.P. Bicknell]
Asclepias verticillata L. - whorled milkweed
[Acerates viridiflora (Raf.) Eaton, Acerates viridiflora var. lanceolata A.Gray, Acerates viridiflora var. linearis A. Gray]
Astragalus crassicarpus Nuttall - ground-plum milk-vetch
[Astragalus caryocarpus Ker Gawl.]
[Athyrium angustum (Willd.) C. Presl, Athyrium angustum f. rubellum, Athyrium filix-femina subsp. angustum (Willdenow) Clausen, Athyrium filix-femina var. michauxii (Spreng.) Farw., Athyrium filix-femina var. rubellum Gilbert]
[Synthyris bullii (Eaton) A. Heller]
[Arabis dentata Torrey & A. Gray, Arabis perstellata E.L. Braun, Arabis shortii (Fernald) Gleason]
[Botrychium virginianum var. europaeum Angstr., Botrychium virginianus, Botrypus virginianus (L.) Michx., Botrypus virginianus subsp. virginianus (L.) Michx.]
[Kuhnia eupatorioides L., Kuhnia gooddingii A. Nelson, Kuhnia jacobaea Lunell]
Bromus ciliatus L. - fringed brome
Bromus inermis Leysser - Hungarian brome
[Bromus inermis f. bulbiferous John W. Moore]
Bromus japonicus Thunberg - Japanese brome
[Bromus arvensis L.]
Campanula americana L. - American bellflower
[Campanulastrum americanum (L.) Small]
Campanula rapunculoides L. - European bellflower
[Campanula heterodoxa C. Agardh ex A. Roem. & Schult., Campanula rotundifolia f. cleistocodons Farw., Campanula rotundifolia var. intercedens (Witasek) Farw.]
Carex albursina E. Sheldon - bluntscale sedge
Carex backii W. Boott - Back's sedge
Carex blanda Dewey - charming sedge
[Carex laxiflora var. blanda (Dewey) Boott]
Carex cephaloidea (Dewey) Dewey - clustered bract sedge
[Carex sparganioides var. cephaloidea (Dewey) J. Carey]
Carex eburnea Boott - ivory sedge
Carex gravida L.H. Bailey - long awned bracted sedge
[Carex gravida var. lunelliana (Mack.) F.J. Herm, Carex lunelliana Mack.]
Carex grisea Wahlenberg - ambiguous sedge
[Carex amphibola var. turgida Fernald]
Carex hirtifolia Mackenzie - hairy leaved sedge
Carex inops L.H. Bailey - long-stolon sedge
[Carex heliophila Mack., Carex pensylvanica var. digyna Boeck.]
[Carex interior var. charlestonensis Clokey, Carex interior var. keweenawensis Hermann]
Carex lacustris Willdenow - common lake sedge
[Carex lacustris var. lacustris]
Carex lasiocarpa Ehrhart - woollyfruit sedge
Carex pensylvanica Lamarck - sun loving sedge
Carex prairea Dewey - prairie sedge
Carex richardsonii R. Brown - prairie hummock sedge
[Carex convoluta Mack.]
Carex saximontana Mackenzie - Rocky Mountain sedge
Carex siccata Dewey - dryspike sedge
[Carex longirostris Torr.]
Carex stricta Lamarck - tussock sedge
[Carex strictior Dewey]
[Carex abdita E.P. Bicknell]
[Hicorius minima Britton]
Celastrus scandens L. - American bittersweet
Celtis occidentalis L. - eastern hackberry
[Celtis crassifolia Lam., Celtis occidentalis var. crassifolia (Lam.) A. Gray]
Cerastium nutans Rafinesque - nodding chickweed
Cerastium nutans var. nutans - nodding mouse ear chickweed
Cheilanthes feei T. Moore - slender lip fern
[Myriopteris gracilis Fée]
Chenopodium album L. - common pigweed
[Botrys nudata Lunell]
[Botrys alba (L.) Nieuwl., Chenopodium berlandieri var. berlandieri, Chenopodium ferulatum Lunell]
Cinna arundinacea L. - short woodreed
Circaea lutetiana L. - broadleaf enchanter's nightshade
Circaea lutetiana var. canadensis L. - broadleaf enchanter's nightshade
[Circaea canadensis subsp. canadensis]
Claytonia virginica L. - eastern spring beauty
[Comandra richardsiana Fernald]
[Erigeron canadensis L.]
Cornus alternifolia L. f. - pagoda dogwood
Cornus amomum Miller - silky dogwood
[Cornus amomum subsp. obliqua (Raf.) Wilson, Cornus obliqua Raf., Cornus obliqua var. schuetzeana (C.A. Meyer) Rickett]
Cornus racemosa Lamarck - panicled dogwood
[Cornus foemina Mill., Cornus foemina subsp. racemosa (Lam.) J.S. Wilson, Cornus racemosa f. nielsenii John W. Moore]
Corydalis aurea Willd. - scrambled eggs
Corydalis aurea var. aurea - golden corydalis
[Corydalis macrorrhiza Fedde]
Corylus americana Walter - American hazel
[Corylus americana var. indehiscens Bush]
Crepis tectorum L. - yellow hawk's beard
Cyperus bipartitus Torrey - brook nutsedge
[Cyperus rivularis Kunth]
Cyperus squarrosus L. - awned umbrellasedge
[Cyperus aristatus Rottb.]
Cyperus x mesochorus Geise - Midland sandsedge
[Cyperus houghtonii var. unerior Torrey]
Dalea purpurea Ventenat - purple prairie clover
[Petalostemon purpureus (Vent.) Rydb.]
Dalea purpurea var. purpurea - purple prairie clover
Delphinium carolinianum Walter - Carolina larkspur
[Delphinium virescens Nutt.]
[Descurainia brachycarpa (Richardson) O.E. Schulz]
[Desmodium acuminatum (Michx.) DC., Hylodesmum glutinosum (Muhl. ex Willd.) H. Ohashi & R.R. Mill, Meibomia grandiflora (Walter) Kuntze]
Desmodium illinoense A. Gray - prairie tick trefoil
[Panicum leibergii (Vasey) Scribn.]
[Panicum linearifolium Scribn., Panicum linearifolium var. werneri (Scribn.) Fernald]
[Panicum oligosanthes Schult.]
[Panicum wilcoxianum Vasey]
[Lycopodium tristachyum]
Dodecatheon amethystinum (Fassett0 Fassett - dark throated shooting star
[Dodecatheon radicatum Greene, Primula fassettii Mast & Reveal]
[Aspidium spinulosum Willd., Dryopteris spinulosa var. spinulosa (O.F. Müll.) Watt]
[Eleocharis calva Torr.]
Elymus canadensis L. - Canada wildrye
[Elymus canadensis var. villosus Bates]
Elymus virginicus L. - Virginia wildrye
[Elymus striatus Willd., Elymus virginicus f. jejunus Ramaley, Elymus virginicus var. micromeris Schmoll]
Enemion biternatum Rafinesque - eastern false rue anemone
[Isopyrum biternatum (Raf.) Torr. & A. Gray]
Equisetum arvense L. - field horsetail
[Equisetum arvense var. boreale Bongard]
Equisetum fluviatile L. - river horsetail
Erigeron philadelphicus L. - Philadelphia fleabane
[Stenactis strigosa (Muhl. ex Willd.) DC.]
[Erysimum syrticola Sheld.]
Fallopia scandens (L.) Holub - climbing knotweed
[Polygonum cristatum Engelm. & A. Gray, Polygonum scandens L.]
[Festuca obtusa Biehler]
[Fraxinus pennsylvanica var. austinii Fernald, Fraxinus pennsylvanica var. subintegerrima (Vahl) Fernald, Fraxinus viridis Bosc]
[Galium aparine var. vaillantii (DC.) Koch]
Galium asprellum Michaux - rough bedstraw
Galium boreale L. - northern bedstraw
[Galium boreale subsp. septentrionale (Roem. & Schult.) H. Hara, Galium boreale var. hyssopifolium (Hoffm.) DC., Galium boreale var. intermedium DC., Galium boreale var. linearifolium Rydb., Galium septentrionale Roem. & Schult.]
Galium trifidum L. - threepetal bedstraw
Galium trifidum var. trifidum - three cleft bedstraw
[Galium trifidum subsp. trifidum L.]
Galium triflorum Michaux - fragrant bedstraw
Geranium maculatum L. - wild geranium
Geranium sibiricum L. - Siberian crane's bill
[Geum laciniatum var. trichocarpum Fernald]
Geum triflorum Pursh - prairie smoke
Geum triflorum var. triflorum - old man's whiskers
Glechoma hederacea L. - creeping charlie
[Glechoma hederacea var. micrantha Moric.]
Helenium autumnale L. - autumn sneezeweed
[Helenium autumnale var. canaliculatum (Lamarck) Torrey & A. Gray]
[Helianthus laetiflorus Pers.]
[Helianthus laetiflorus var. rigidus (Cass.) Fernald, Helianthus rigidus (Cass.) Desf.]
Helianthus tuberosus L. - Jerusalem artichoke
[Helianthus tuberosus var. subcanescens A. Gray]
Heracleum lanatum Michx. - common cow-parsnip
[Heracleum maximum W. Bartram, Heracleum sphondylium subsp. montanum (Schleich. ex Gaudin) Briq.]
Hesperis matronalis L. - dames rocket
[Stipa spartea Trin.]
[Chrysopsis villosa (Pursh) Nutt. ex DC.]
Hordeum jubatum L. - foxtail barley
Hydrophyllum virginianum L. - eastern waterleaf
[Impatiens biflora Walter]
Impatiens pallida Nuttall - pale touch me not
Juglans nigra L. - black walnut
Juniperus virginiana L. - eastern red-cedar
[Juniperus virginiana var. crebra Fernald & Griscom]
[Koeleria cristata Pers., Koeleria gracilis Pers., Koeleria pyramidata (Lam.) P. Beauv.]
Laportea canadensis (L.) Weddell - Canadian woodnettle
[Homalocenchrus oryzoides (L.) Haller, Leersia oryzoides f. inclusa (Weisbord ex Baen.) Dörfl.]
Lepidium densiflorum Schrader - green flowered peppergrass
[Lepidium apetalum Willd., Lepidium densiflorum var. macrocarpum G.A. Mulligan, Lepidium neglectum Thell.]
Liatris punctata Hook. - dotted blazing star
[Lacinaria punctata Kuntze, Lacinaria punctata var. turgida Lunell, Lacinaria rosendahlii Bush, Liatris punctata f. texana Cory]
Liatris punctata var. punctata - dotted blazing star
[Lacinaria arenicola Bush, Lacinaria densispicata Bush, Liatris densispicata (Bush) Gaiser]
Linaria vulgaris Miller - butter and eggs
Lindernia dubia (L.) Pennell - yellowseed false pimpernel
[Lindernia anagallidea (Michx.) Pennell, Lindernia dubia var. anagallidea (Michaux) T.S. Cooperrider, Lindernia dubia var. dubia, Lindernia dubia var. inundata (Pennell) Pennell, Lindernia dubia var. riparia (Raf.) Fernald]
Lindernia dubia var. dubia - yellowseed false pimpernel
[Lindernia anagallidea (Michx.) Pennell, Lindernia dubia (L.) Pennell, Lindernia dubia var. anagallidea (Michaux) T.S. Cooperrider, Lindernia dubia var. inundata (Pennell) Pennell, Lindernia dubia var. riparia (Raf.) Fernald]
Linum usitatissimum L. - cultivated flax
[Lithospermum angustifolium Michx.]
Lonicera x bella Zabel - belle honeysuckle
Lotus corniculatus L. - bird's-foot trefoil
[Lotus corniculatus var. corniculatus]
[Lotus corniculatus L.]
Lycopus virginicus L. - Virginia bugleweed
Lysimachia ciliata L. - fringed loosestrife
[Steironema ciliatum (L.) Baudo, Steironema pumilum Greene, Steironema pumilum var. longipedicellatum Lunell]
Lysimachia thyrsiflora L. - swamp loosestrife
[Naumbergia thyrsiflora (L.) Rchb.]
Maianthemum racemosum (L.) Link - false solomon's seal
[Smilacina amplexicaulis Nuttall, Smilacina racemosa (L.) Desf.]
Medicago lupulina L. - black medick
[Medicago lupulina var. glandulosa Neilr.]
Melilotus alba Medik. - sweetclover
[Melilotus albus Medik., Melilotus officinalis (L.) Lamarck]
Menispermum canadense L. - Canadian moonseed
[Menispermum mexicanum Rose]
Micranthes pensylvanica (L.) Haworth - eastern swamp saxifrage
[Saxifraga crassicarpa A.M. Johnson, Saxifraga forbesii Vasey, Saxifraga pensylvanica L., Saxifraga pensylvanica congesta G.W. Burns, Saxifraga pensylvanica dichotoma Bush, Saxifraga pensylvanica f. bracteata Burns, Saxifraga pensylvanica hirsuta Bush, Saxifraga pensylvanica subsp. tenuirostra Burns, Saxifraga pensylvanica subsp. tenuirostrata G.W. Burns, Saxifraga pensylvanica tomentosa Bush, Saxifraga pensylvanica var. congesta Burns, Saxifraga pensylvanica var. dichotoma Bush, Saxifraga pensylvanica var. hirsuta Bush, Saxifraga pensylvanica var. tomentosa Bush, Saxifraga winnebagoensis Johnson]
Mimulus ringens L. - Allegheny monkey flower
Mimulus ringens var. ringens - blue monkey flower
Mitella diphylla L. - two leaf bishop's cap
Mollugo verticillata L. - Indian chickweed
Monarda punctata L. - spotted beebalm
[Muhlenbergia frondosa f. commutata (Scribn.) Fernald]
[Stellaria aquatica (L.) Scop.]
Nothocalais cuspidata (Pursh) Greene - prairie false dandelion
[Agoseris cuspidata (Pursh) Steud., Microseris cuspidata (Pursh) Sch. Bip.]
Osmunda claytoniana L. - interrupted fern
[Claytosmunda claytoniana (L.) Metzgar & Rouhan]
Oxalis violacea L. - violet woodsorrel
[Senecio plattensis Nutt.]
Panax quinquefolius L. - American ginseng
[Aralia quinquefolia (L.) Decne. & Planch.]
[Panicum barbipulvinatum Nash, Panicum capillare var. occidentale Rydb.]
[Panicum capillare var. agreste Gattinger]
Panicum virgatum L. - switchgrass
[Parthenocissus quinquefolia (L.) Planchon]
Pastinaca sativa L. - wild parsnip
[Pedicularis canadensis var. fluviatilis (A. Heller) J.F. Macbr., Pedicularis fluviatilis A. Heller]
[Pellaea rigida Hook.]
Penthorum sedoides L. - ditch stonecrop
[Persicaria maculata Gray, Persicaria scabra (Moench) Moldenke, Persicaria tomentosa (Schrank) E.P. Bicknell, Persicaria tomentosa var. glabrior Lunell, Polygonum lapathifolium L., Polygonum lapathifolium var. salicifolium Sibth., Polygonum scabrum Moench]
[Polygonum longistylum Small, Polygonum pensylvanicum L., Polygonum pensylvanicum var. laevigatum Fernald]
[Polygonum virginianum L., Polygonum virginianum var. virginianum, Tovara virginiana (L.) Raf.]
Phalaris arundinacea L. - reed canarygrass
[Baldingera arundinacea (L.) Dumort., Phalaris arundinacea var. picta L., Phalaroides arundinacea (L.) Rauschert, Typhoides arundinacea (L.) Moench]
Phlox divaricata L. - woodland phlox
[Phlox divaricata f. bicolor John W. Moore, Phlox divaricata var. laphamii Alph. Wood, Phlox divaricata var. laphamii f. bicolor J.W. Moore]
[Phlox divaricata f. bicolor John W. Moore, Phlox divaricata subsp. laphamii (A.W. Wood) Wherry, Phlox divaricata var. laphamii f. bicolor J.W. Moore]
Phryma leptostachya L. - American lopseed
Physalis heterophylla Nees - clammy groundcherry
Physalis virginiana Mill. - Virginia ground cherry
[Physocarpus opulifolius var. opulifolius]
Pilea fontana (Lunell) Rydberg - black fruited clearweed
[Adicea fontana Lunell, Adicea opaca Lunell]
Pilea pumila (L.) A. Gray - dwarf clearweed
[Adicea deamii Lunell, Adicea nieuwlandii Lunell]
Piptatherum racemosum (Smith) Eaton - black fruited ricegrass
[Oryzopsis racemosa (Sm.) Ricker ex Hitchc., Patis racemosa (Sm.) Romasch., P.M. Peterson & R. J. Soreng]
[Plantago patagonica var. gnaphalioides (Nutt.) A. Gray, Plantago picta E.Morris, Plantago purshii Roem. & Schult., Plantago spinulosa Decne., Plantago spinulosa var. oblonga Poe]
Poa
Poa compressa L. - flat stem bluegrass
Poa palustris L. - meadow bluegrass
[Poa crocata Michx., Poa serotina Ehrh. ex Hoffm.]
Poa pratensis L. - Kentucky bluegrass
Polemonium reptans L. - spreading jacob
Polygala senega L. - Seneca milkwort
[Polygala senega var. latifolia Torr. & A. Gray]
Populus tremuloides Michaux - trembling aspen
Prunus americana Marshall - American wild plum
[Prunus serotina var. salicifolia (Kunth) Koehne]
Prunus virginiana L. - choke cherry
[Padus virginiana (L.) Mill.]
Pteridium aquilinum (L.) Kuhn - western brackenfern
[Pteris aquilina L.]
[Pteridium aquilinum subsp. latiusculum (Desv.) Hultén, Pteridium latiusculum (Desv.) Hieron.]
Pyrola elliptica Nuttall - elliptic shinleaf
Quercus alba L. - white oak
Quercus rubra L. - northern red oak
Ranunculus abortivus L. - kidney leaf buttercup
[Ranunculus abortivus var. acrolasius Fernald]
[Ranunculus ovalis Goldie]
Rhamnus cathartica L. - European buckthorn
Rhamnus frangula L. - alder buckthorn
[Frangula alnus Mill.]
Rhus glabra L. - northern smooth sumac
[Rhus x pulvinata Greene]
Rubus occidentalis L. - western blackberry
Rudbeckia hirta L. - blackeyed Susan
[Rudbeckia flava T.V. Moore]
[Rudbeckia flava var. perbracteata Lunell, Rudbeckia serotina Nutt., Rudbeckia serotina var. serotina]
Rudbeckia laciniata L. - cutleaf coneflower
Rumex altissimus Alph. Wood - tall water dock
Rumex crispus L. - yellow dock
[Rumex maritimus subsp. fueginus (Phil.) Hultén]
Salix humilis Marshall - upland willow
[Salix tristis Aiton]
Salix x fragilis L. - whitecrack willow
[Salix x rubens Schrank]
Sambucus canadensis L. - black elderberry
[Sambucus canadensis var. canadensis L., Sambucus nigra subsp. canadensis (L.) Bolli, Sambucus simpsonii Rehder ex Sarg.]
[Sambucus canadensis L., Sambucus nigra subsp. canadensis (L.) Bolli, Sambucus simpsonii Rehder ex Sarg.]
Sanicula gregaria E.P. Bicknell - gregarious black snakeroot
[Sanicula odorata (Raf.) Pryer & Phillippe]
Sanicula marilandica L. - Maryland sanicle
[Andropogon scoparius Michx.]
Scirpus hattorianus Makino - mosquito bulrush
Scrophularia marilandica L. - Maryland figwort
[Panicum pallide-fuscum Schumach., Panicum pumilum Poir., Pennisetum glaucum (L.) R. Br., Setaria erythraeae Mattei, Setaria glauca subsp. pallide-fusca (Schumach.) B.K. Simon, Setaria glauca var. pallide-fusca (Schumach.) Koyama, Setaria lutescens (Weigel) Hubbard, Setaria pallide-fusca (Schumach.) Stapf & C.E. Hubb., Setaria pumila subsp. pallide-fusca (Schumach.) Simon]
[Panicum viride L.]
Sicyos angulatus L. - oneseed bur cucumber
Silene latifolia Poiret - bladder campion
[Lychnis alba Mill., Silene pratensis (Raf.) Gren. & Godr.]
[Smilax hispida Muhl. ex Torr.]
Solanum nigrum L. - black nightshade
[Solanum nigrum var. induratum Boiss., Solanum nigrum var. suffruticosum (Schousb. ex Willd.) Moris, Solanum nigrum var. villosum L., Solanum suffruticosum Schousb. ex Willd.]
Solidago canadensis L. - Canada goldenrod
[Solidago canadensis var. salebrosa (Piper) M.E. Jones]
Solidago flexicaulis L. - zigzag goldenrod
[Solidago latifolia L.]
Solidago missouriensis Nutt. - Missouri goldenrod
[Solidago glaberrima M. Martens, Solidago inornata Lunell, Solidago missouriensis var. fasciculata Holz.]
[Sphenopholis obtusata var. major (Torr.) Erdman]
Stachys hispida Pursh - smooth hedge nettle
[Stachys tenuifolia var. hispida (Pursh) Fernald]
Stachys tenuifolia Willdenow - narrow leaved hedge nettle
[Stachys palustris var. macrocalyx Jenn., Stachys tenuifolia var. platyphylla Fernald, Stachys tenuifolia var. tenuifolia]
Staphylea trifolia L. - American bladdernut
[Stellaria atrata (J.W. Moore) B. Boivin, Stellaria atrata var. eciliata B. Boivin]
[Aster ericoides L.]
[Aster novae-angliae L.]
[Aster ontarionis Wiegand]
[Aster azureus Lindl., Aster oolentangiensis Riddell]
[Aster sericeus Vent., Virgulus sericeus (Vent.) Reveal & Keener]
Thalictrum dioicum L. - early meadow-rue
[Anemonella thalictroides (L.) Spach]
Thlaspi arvense L. - field pennycress
Tilia americana L. - American basswood
[Rhus radicans var. rydbergii (Small ex Rydb.) Rehder, Toxicodendron dessertorum Lunell]
[Tradescantia ramifera Lunell, Tradescantia ramifera var. chandonnetii Lunell]
[Tragopogon major Jacq.]
Typha angustifolia L. - narrowleaf cattail
Ulmus americana L. - American elm
[Ulmus americana f. alba (Aiton) Fernald, Ulmus floridana Chapm.]
[Ulmus fulva Michx.]
Urtica dioica L. - stinging nettle
[Urtica dioica subsp. dioica, Urtica dioica var. procera, Urtica gracilis Aiton, Urtica lyallii S. Watson, Urtica procera Muhl. ex Willd., Urtica strigosissima Rydberg]
Verbena hastata L. - blue vervain
Verbena stricta Ventenat - hoary vervain
Verbena urticifolia L. - nettle leaf vervain
Viola canadensis L. - Canadian white violet
[Viola rugulosa Greene]
Viola cucullata Aiton - marsh violet
Viola missouriensis Greene - Missouri violet
[Viola sororia var. missouriensis (Greene) McKinney]
[Viola lovelliana Brainerd]
[Viola delphiniifolia Nutt., Viola pedatifida G. Don]
Viola pubescens Aiton - downy yellow violet
[Viola pensylvanica Michx., Viola pensylvanica subsp. leiocarpa (Fern. & Wieg.) Fern., Viola pubescens var. peckii House, Viola pubescens var. pubescens]
Viola pubescens var. pubescens - downy yellow violet
[Viola pensylvanica Michx., Viola pensylvanica subsp. leiocarpa (Fern. & Wieg.) Fern., Viola pubescens Aiton, Viola pubescens var. peckii House]
Xanthium strumarium L. - common cocklebur
[Xanthium abyssinicum Wallr., Xanthium antiquorum Wallr., Xanthium brevirostre Hochst., Xanthium canadense Mill., Xanthium chasei Fernald, Xanthium commune Britton, Xanthium glanduliferum Greene, Xanthium italicum Moretti, Xanthium pensylvanicum Wallr., Xanthium pungens Wallr.]
Zizia aurea (L.) W.D.J. Koch - golden alexanders
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