Michigan's Special Plants

This list presents the Endangered (E), Threatened (T), and Probably Extirpated (X) plant species of Michigan, which are protected under the Endangered Species Act of the State of Michigan (Part 365 of PA 451, 1994 Michigan Natural Resources and Environmental Protection Act). The current list became effective on April 9, 2009, after extensive review by technical advisors to the Michigan Department of Natural Resources and the citizenry of the state.

Also included in this list are plant species of Special Concern. While not afforded legal protection under the Act, many of these species are of concern because of declining or relict populations in the state. Should these species continue to decline, they would be recommended for Threatened or Endangered status. Protection of Special Concern species now, before they reach dangerously low population levels, would prevent the need to list them in the future by maintaining adequate numbers of self-sustaining populations within Michigan. Some other potentially rare species are listed as of Special Concern pending more precise information on their status in the state; when such information becomes available, they could be moved to threatened or endangered status or deleted from the list.

This list was produced by the Endangered Species Program of the Michigan Department of Natural Resources and the Michigan Natural Features Inventory. English names in common usage or from published sources have been incorporated, when possible, to promote public understanding of and participation in the Endangered Species Program. To comment on the list or request additional copies, or for information on the Endangered Species Program, contact the Endangered Species Coordinator, Wildlife Division, Michigan Department of Natural Resources, P.O. Box 30028, Lansing, MI 48909 (517-373-1263). To report occurrences of these species, please contact us.

The special plants list is also available as a PDF document.

Code Definitions
Scientific NameCommon NameFamilyUS StatusState StatusGlobal RankState RankMore Information
Justicia americanaWater willowAcanthaceaeTG5S2
Ruellia humilisHairy wild petuniaAcanthaceaeTG5S1
Ruellia strepensSmooth ruelliaAcanthaceaeEG4G5S1
Echinodorus tenellusDwarf burheadAlismataceaeEG5?S1
Sagittaria montevidensisArrowheadAlismataceaeTG4G5S1S2
Zizia apteraPrairie golden alexandersApiaceaeTG5S1S2
Eryngium yuccifoliumRattlesnake-master or button snakerootApiaceaeTG5S2
Berula erectaCut-leaved water parsnipApiaceaeTG4G5S2
Polytaenia nuttalliiPrairie parsleyApiaceaeXG5SX
Osmorhiza depauperataSweet CicelyApiaceaeTG5S2
Angelica venenosaHairy angelicaApiaceaeSCG5S3
Panax quinquefoliusGinsengAraliaceaeTG3G4S2S3
Oplopanax horridusDevil's clubAraliaceaeTG4S2
Aristolochia serpentariaVirginia snakerootAristolochiaceaeTG4S2
Asclepias ovalifoliaDwarf milkweedAsclepiadaceaeEG5?S1
Asclepias purpurascensPurple milkweedAsclepiadaceaeTG5?S2
Asclepias sullivantiiSullivant's milkweedAsclepiadaceaeTG5S2
Asclepias hirtellaTall green milkweedAsclepiadaceaeTG5S2
Asplenium rhizophyllumWalking fernAspleniaceaeTG5S2S3
Asplenium trichomanes-ramosumGreen spleenwortAspleniaceaeSCG4S3
Asplenium ruta-murariaWall-rueAspleniaceaeEG5S1
Asplenium scolopendrium var. americanumHart's-tongue fernAspleniaceaeLTEG4T3S1
Aster praealtusWillow asterAsteraceaeSCG5S3
Solidago houghtoniiHoughton's goldenrodAsteraceaeLTTG3S3
Lactuca pulchellaBlue lettuceAsteraceaeXG5T5SX
Echinacea purpureaPurple coneflowerAsteraceaeXG4SX
Hieracium paniculatumPanicled hawkweedAsteraceaeTG5S2
Aster modestusGreat northern asterAsteraceaeTG5S1
Helianthus hirsutusWhiskered sunflowerAsteraceaeSCG5S3
Erigeron acrisFleabaneAsteraceaeTG5S1S2
Eupatorium sessilifoliumUpland bonesetAsteraceaeTG5S1
Senecio indecorusNorthern ragwortAsteraceaeTG5S1
Petasites sagittatusSweet coltsfootAsteraceaeTG5S1S2
Polymnia uvedaliaYellow-flowered leafcupAsteraceaeTG4G5S1
Aster sericeusWestern silvery asterAsteraceaeTG5S2
Silphium perfoliatumCup plantAsteraceaeTG5S2
Hymenoxys herbaceaLakeside daisyAsteraceaeLTEG3S1
Erigeron hyssopifoliusHyssop-leaved fleabaneAsteraceaeTG5S1
Solidago bicolorWhite goldenrodAsteraceaeEG5S1
Tanacetum huronenseLake Huron tansyAsteraceaeTG5T4T5S3
Antennaria roseaRosy pussytoesAsteraceaeEG5SX
Arnica cordifoliaHeart-leaved arnicaAsteraceaeEG5S1
Senecio congestusMarsh fleabaneAsteraceaeXG5SX
Kuhnia eupatorioidesFalse bonesetAsteraceaeSCG5S2
Aster drummondiiDrummond's asterAsteraceaeTG5S2
Coreopsis palmataPrairie coreopsisAsteraceaeTG5S2
Lactuca floridanaWoodland lettuceAsteraceaeTG5S2
Mikania scandensMikaniaAsteraceaeXG5SX
Aster furcatusForked asterAsteraceaeTG3S1
Silphium integrifoliumRosinweedAsteraceaeTG5S2
Artemisia ludovicianaWestern mugwortAsteraceaeTG5S1
Antennaria parvifoliaPussy-toesAsteraceaeSCG5S1
Gnaphalium sylvaticumWoodland everlastingAsteraceaeTG4S1
Cirsium pitcheriPitcher's thistleAsteraceaeLTTG3S3
Liatris punctataDotted blazing starAsteraceaeXG5SX
Cirsium hilliiHill's thistleAsteraceaeSCG3S3
Eupatorium fistulosumHollow-stemmed Joe-pye weedAsteraceaeTG5?S1
Rudbeckia subtomentosaSweet coneflowerAsteraceaeXG5SX
Prenanthes crepidineaNodding rattlesnake-rootAsteraceaeTG4SNR
Silphium laciniatumCompass plantAsteraceaeTG5S1S2
Helianthus microcephalusSmall wood sunflowerAsteraceaeXG5SX
Arnica lonchophyllaLongleaf arnicaAsteraceaeEG4S1
Agoseris glaucaPrairie or pale agoserisAsteraceaeTG5S2
Cacalia plantagineaPrairie indian-plantainAsteraceaeSCG4G5S3
Liatris squarrosaPlains blazing starAsteraceaeXG5SX
Solidago missouriensisMissouri goldenrodAsteraceaeTG5S2
Helianthus mollisDowny sunflowerAsteraceaeTG4G5S2
Jeffersonia diphyllaTwinleafBerberidaceaeSCG5S3
Betula populifoliaGray birchBetulaceaeSCG5S3
Betula murrayanaMurray birchBetulaceaeSCG1QS1
Woodwardia areolataNetted chain-fernBlechnaceaeXG5SX
Onosmodium molleMarbleweedBoraginaceaeXG4G5SX
Mertensia virginicaVirginia bluebellsBoraginaceaeEG5S1S2
Lithospermum incisumNarrow-leaved puccoonBoraginaceaeXG5SX
Lithospermum latifoliumBroad-leaved puccoonBoraginaceaeSCG4S2
Draba incanaTwisted whitlow grassBrassicaceaeTG5S1
Draba canaAshy whitlow grassBrassicaceaeTG5S1
Braya humilisLow northern rock cressBrassicaceaeTG5S1
Draba glabellaSmooth whitlow grassBrassicaceaeEG4G5S1
Arabis perstellataRock cressBrassicaceaeTG5S1
Arabis missouriensis var. deamiiMissouri rock-cressBrassicaceaeSCG5?QT3?QS2
Dentaria maximaLarge toothwortBrassicaceaeTG5S1S2
Armoracia lacustrisLake cressBrassicaceaeTG4?S2
Draba arabisansRock whitlow grassBrassicaceaeSCG4S3
Draba reptansCreeping whitlow grassBrassicaceaeTG5S1
Subularia aquaticaAwlwortBrassicaceaeEG5S1
Opuntia fragilisFragile prickly pearCactaceaeEG4G5S1
Callitriche hermaphroditicaAutumnal water-starwortCallitrichaceaeSCG5S2
Callitriche heterophyllaLarge water starwortCallitrichaceaeTG5S1
Viburnum prunifoliumBlack hawCaprifoliaceaeSCG5S3
Viburnum eduleSquashberry or mooseberryCaprifoliaceaeTG5S2S3
Lonicera involucrataBlack twinberryCaprifoliaceaeTG4G5T4T5S2
Stellaria longipesStitchwortCaryophyllaceaeSCG5S2
Paronychia fastigiataLow-forked chickweedCaryophyllaceaeXG5SX
Silene stellataStarry campionCaryophyllaceaeTG5S2
Cerastium velutinumField ChickweedCaryophyllaceaeXG5T4?SX
Silene niveaEvening campionCaryophyllaceaeTG4?SNR
Silene virginicaFire pinkCaryophyllaceaeEG5S1
Stellaria crassifoliaFleshy stitchwortCaryophyllaceaeEG5S1
Cerastium brachypodumShortstalk chickweedCaryophyllaceaeTG5S2
Sagina nodosaPearlwortCaryophyllaceaeTG5S2
Moehringia macrophyllaBig-leaf sandwortCaryophyllaceaeTG4S1
Euonymus atropurpureaWahooCelastraceaeSCG5S3
Lechea minorLeast pinweedCistaceaeXG5SX
Lechea pulchellaLeggett's pinweedCistaceaeTG5S1S2
Lechea strictaErect pinweedCistaceaeSCG4?S1
Hypericum adpressumCreeping St. John's-wortClusiaceaeTG3S1
Hypericum sphaerocarpumRound-fruited St. John's-wortClusiaceaeEG5S1
Hypericum gentianoidesGentian-leaved St. John's-wortClusiaceaeSCG5S3
Commelina erectaSlender dayflowerCommelinaceaeXG5SX
Tradescantia virginianaVirginia spiderwortCommelinaceaeSCG5S2
Tradescantia bracteataLong-bracted spiderwortCommelinaceaeXG5SX
Ipomoea pandurataWild potato vine or man-of-the-earthConvolvulaceaeTG5S2
Cuscuta indecoraDodderCuscutaceaeSCG5SH
Cuscuta glomerataRope dodderCuscutaceaeSCG5SH
Cuscuta polygonorumKnotweed dodderCuscutaceaeSCG5S2
Cuscuta campestrisField dodderCuscutaceaeSCG5SH
Cuscuta pentagonaDodderCuscutaceaeSCG4G5SH
Carex tinctaSedgeCyperaceaeTG4G5S1
Eleocharis radicansSpike rushCyperaceaeXG5SX
Carex platyphyllaBroad-leaved sedgeCyperaceaeEG5S1
Carex typhinaCattail sedgeCyperaceaeTG5S1
Carex inops ssp. heliophilaSun sedgeCyperaceaeSCG5T5S3
Rhynchospora scirpoidesBald-rushCyperaceaeTG4S2
Carex stramineaStraw sedgeCyperaceaeEG5SH
Schoenoplectus americanusThree-square bulrushCyperaceaeEG5S1
Carex atratiformisSedgeCyperaceaeTG5S2
Fimbristylis puberulaChestnut sedgeCyperaceaeXG5SX
Carex trichocarpaHairy-fruited sedgeCyperaceaeSCG4S2
Carex squarrosaSedgeCyperaceaeSCG4G5S1
Carex novae-angliaeNew England sedgeCyperaceaeTG5S1
Carex festucaceaFescue sedgeCyperaceaeSCG5S1
Rhynchospora recognitaGlobe beak-rushCyperaceaeEG5?S1
Eleocharis tricostataThree-ribbed spike rushCyperaceaeTG4S2
Cyperus acuminatusCyperus, Nut grassCyperaceaeXG5SX
Eleocharis parvulaDwarf spike-rushCyperaceaeEG5S1
Carex richardsoniiRichardson's sedgeCyperaceaeSCG4S3S4
Carex seorsaSedgeCyperaceaeTG4S2
Eleocharis equisetoidesHorsetail spike rushCyperaceaeSCG4S3
Scirpus torreyiTorrey's bulrushCyperaceaeSCG5?S2S3
Carex heleonastesHudson Bay sedgeCyperaceaeEG4S1
Carex wiegandiiWiegand's sedgeCyperaceaeSCG4S3
Carex albolutescensSedgeCyperaceaeTG5S2
Eleocharis geniculataSpike-rushCyperaceaeXG5SX
Carex oligocarpaEastern few-fruited sedgeCyperaceaeTG4S2
Carex lupuliformisFalse hop sedgeCyperaceaeTG4S2
Eleocharis engelmanniiEngelmann's spike rushCyperaceaeSCG4G5QS2S3
Eleocharis melanocarpaBlack-fruited spike-rushCyperaceaeSCG4S3
Carex scirpoideaBulrush sedgeCyperaceaeTG5S2
Carex decompositaLog sedgeCyperaceaeXG3SX
Eleocharis microcarpaSmall-fruited spike-rushCyperaceaeEG5S1
Carex conjunctaSedgeCyperaceaeTG4G5S1
Carex gravidaSedgeCyperaceaeXG5SX
Eleocharis compressaFlattened spike rushCyperaceaeTG4S2
Carex davisiiDavis's sedgeCyperaceaeSCG4S3
Carex haydeniiHayden's sedgeCyperaceaeXG5SX
Scleria paucifloraFew-flowered nut rushCyperaceaeEG5S1
Rhynchospora macrostachyaTall beakrushCyperaceaeSCG4S3S4
Carex assiniboinensisAssiniboia sedgeCyperaceaeTG4G5S2
Schoenoplectus halliiHall's bulrushCyperaceaeTG2G3S2
Fuirena pumilaUmbrella-grassCyperaceaeTG4S2
Carex nigraBlack sedgeCyperaceaeEG5S1
Rhynchospora nitensShort-beak beak-rushCyperaceaeEG4?S1
Eleocharis atropurpureaPurple spike rushCyperaceaeEG4G5S1
Carex mediaSedgeCyperaceaeTG5T5?S2S3
Hemicarpha micranthaDwarf-bulrushCyperaceaeSCG5S3
Eleocharis nitidaSlender spike rushCyperaceaeEG4S1
Scleria triglomerataTall nut rushCyperaceaeSCG5S3
Carex rossiiRoss's sedgeCyperaceaeTG5S2
Carex crus-corviRaven's-foot sedgeCyperaceaeEG5S1
Scleria reticularisNetted nut rushCyperaceaeTG4S2
Scirpus clintoniiClinton's bulrushCyperaceaeSCG4S3
Dennstaedtia punctilobulaHay-scented fernDennstaedtiaceaeTG5S1
Drosera anglicaEnglish sundewDroseraceaeSCG5S3
Cystopteris tennesseensisTennissee bladder fernDryopteridaceaeTG5S2
Gymnocarpium robertianumLimestone oak fernDryopteridaceaeTG5S2
Gymnocarpium jessoenseNorthern oak fernDryopteridaceaeEG5S1
Dryopteris celsaSmall log fernDryopteridaceaeTG4S2
Cystopteris laurentianaLaurentian fragile fernDryopteridaceaeSCG3S1S2
Dryopteris fragransFragrant cliff woodfernDryopteridaceaeSCG5S3
Woodsia alpinaNorthern woodsiaDryopteridaceaeEG4S1
Woodsia obtusaBlunt-lobed woodsiaDryopteridaceaeTG5S1S2
Dryopteris filix-masMale fernDryopteridaceaeSCG5S3
Empetrum nigrumBlack crowberryEmpetraceaeTG5S2
Equisetum telmateiaGiant horsetailEquisetaceaeXG5SX
Vaccinium cespitosumDwarf bilberryEricaceaeTG5S1S2
Vaccinium uliginosumAlpine blueberryEricaceaeTG5S2
Vaccinium vitis-idaeaMountain cranberryEricaceaeEG5S1
Euphorbia commutataTinted spurgeEuphorbiaceaeTG5S1
Baptisia lacteaWhite or prairie false indigoFabaceaeSCG4QS3
Hedysarum alpinumAlpine sainfoinFabaceaeEG5S1
Lespedeza procumbensTrailing bush cloverFabaceaeXG5SX
Wisteria frutescensWisteriaFabaceaeTG5S1
Amorpha canescensLeadplantFabaceaeSCG5S3
Phaseolus polystachiosWild beanFabaceaeXG5SX
Astragalus neglectusCooper's milk vetchFabaceaeSCG4S3
Strophostyles helvulaTrailing wild BeanFabaceaeSCG5S3
Dalea purpureaPurple prairie cloverFabaceaeXG5SX
Astragalus canadensisCanadian milk vetchFabaceaeTG5S1S2
Baptisia leucophaeaCream wild indigoFabaceaeEG4G5T4T5S1
Quercus shumardiiShumard's oakFagaceaeSCG5S2
Castanea dentataAmerican chestnutFagaceaeEG4S1S2
Adlumia fungosaClimbing fumitoryFumariaceaeSCG4S3
Corydalis flavulaYellow fumewortFumariaceaeTG5S2
Gentiana flavidaWhite gentianGentianaceaeEG4S1
Sabatia angularisRosepinkGentianaceaeTG5S2
Gentiana saponariaSoapwort gentianGentianaceaeXG5SX
Gentianella quinquefoliaStiff gentianGentianaceaeTG5S2
Gentiana linearisNarrow-leaved gentianGentianaceaeTG4G5S2
Bartonia paniculataPanicled screwstemGentianaceaeTG5S2
Gentiana puberulentaDowny gentianGentianaceaeEG4G5S1
Ribes oxyacanthoidesNorthern gooseberryGrossulariaceaeSCG5S3
Myriophyllum farwelliiFarwell's water milfoilHaloragaceaeTG5S2
Proserpinaca pectinataMermaid-weedHaloragaceaeEG5S1
Myriophyllum alterniflorumAlternate-leaved water-milfoilHaloragaceaeSCG5S2S3
Phacelia frankliniiFranklin's phaceliaHydrophyllaceaeTG5S1
Iris lacustrisDwarf lake irisIridaceaeLTTG3S3
Sisyrinchium fuscatumFarwell's blue-eyed-grassIridaceaeXG5?SX
Sisyrinchium strictumBlue-eyed-grassIridaceaeSCG2QS2
Sisyrinchium hastileBlue-eyed-grassIridaceaeXGUGHQSX?
Sisyrinchium atlanticumAtlantic blue-eyed-grassIridaceaeTG5S2
Isoetes engelmanniiEngelmann's quilwortIsoetaceaeEG4S1
Juncus vaseyiVasey's rushJuncaceaeTG5?S1S2
Juncus militarisBayonet rushJuncaceaeTG4S1
Juncus brachycarpusShort-fruited rushJuncaceaeTG4G5S1S2
Luzula parvifloraSmall-flowered wood rushJuncaceaeTG5S1
Juncus stygiusMoor rushJuncaceaeTG5S1S2
Juncus scirpoidesScirpus-like rushJuncaceaeTG5S2
Scutellaria parvulaSmall skullcapLamiaceaeTG4S2
Pycnanthemum verticillatumWhorled mountain mintLamiaceaeSCG5S2
Trichostema brachiatumFalse pennyroyalLamiaceaeTG5S1
Scutellaria incanaSkullcapLamiaceaeXG5SX
Trichostema dichotomumBastard pennyroyalLamiaceaeTG5S2
Scutellaria ellipticaHairy skullcapLamiaceaeSCG5S3
Scutellaria ovataForest skullcapLamiaceaeTG5SX
Lycopus virginicusVirginia water-horehoundLamiaceaeTG5S2
Pycnanthemum muticumMountain mintLamiaceaeTG5S1
Scutellaria nervosaSkullcapLamiaceaeEG5S1
Pycnanthemum pilosumHairy mountain mintLamiaceaeTG5T5S2
Lemna valdivianaPale duckweedLemnaceaeXG5SX
Wolffia papuliferaWatermealLemnaceaeTG4S1
Utricularia inflataFloating bladderwortLentibulariaceaeEG5S1
Utricularia subulataBladderwortLentibulariaceaeTG5S1
Pinguicula vulgarisButterwortLentibulariaceaeSCG5S3
Trillium recurvatumPrairie trilliumLiliaceaeTG5S2S3
Trillium nivaleSnow trilliumLiliaceaeTG4S2
Prosartes hookeriFairy bellsLiliaceaeEG5S2
Trillium undulatumPainted trilliumLiliaceaeEG5S1S2
Camassia scilloidesWild hyacinthLiliaceaeTG4G5S2
Prosartes trachycarpaNorthern fairy bellsLiliaceaeTG5S1
Tofieldia pusillaFalse asphodelLiliaceaeTG5S2
Prosartes maculataNodding mandarinLiliaceaeXG3G4SX
Allium schoenoprasumChivesLiliaceaeTG5S2
Trillium sessileToadshadeLiliaceaeTG4G5S2S3
Linum virginianumVirginia flaxLinaceaeTG4G5S2
Linum sulcatumFurrowed flaxLinaceaeSCG5S2S3
Huperzia appalachianaMountain fir-mossLycopodiaceaeSCG4G5S2
Lycopodiella margueritaeNorthern prostrate clubmossLycopodiaceaeTG2S2
Diphasiastrum alpinumAlpine clubmossLycopodiaceaeXG5SX
Huperzia selagoFir clubmossLycopodiaceaeSCG5S3
Lycopodiella subappressaNorthern appressed clubmossLycopodiaceaeSCG2S2
Hibiscus laevisSmooth rose-mallowMalvaceaeXG5SX
Rhexia marianaMaryland meadow beautyMelastomataceaeTG5T5S1S2
Rhexia virginicaMeadow beautyMelastomataceaeSCG5S3
Pterospora andromedeaPine-dropsMonotropaceaeTG5S2
Morus rubraRed mulberryMoraceaeTG5S2
Myrica pensylvanicaNorthern bayberryMyricaceaeTG5S2
Nelumbo luteaAmerican lotusNelumbonaceaeTG4S2
Nuphar pumilaSmall yellow pond lilyNymphaeaceaeEG5T4T5S1S2
Nymphaea leibergiiPygmy water lilyNymphaeaceaeEG5S1
Fraxinus profundaPumpkin ashOleaceaeTG4S2
Ludwigia sphaerocarpaGlobe-fruited seedboxOnagraceaeTG5S1
Botrychium mormoGoblin moonwortOphioglossaceaeTG3S2
Botrychium pallidumpale moonwortOphioglossaceaeSCG3S3
Ophioglossum vulgatumSoutheastern adder's-tongueOphioglossaceaeEG5S1
Botrychium hesperiumWestern moonwortOphioglossaceaeTG4S2
Botrychium acuminatumMoonwortOphioglossaceaeEG1S1
Botrychium campestrePrairie Moonwort or DunewortOphioglossaceaeTG3G4S2
Botrychium spathulatumSpatulate moonwortOphioglossaceaeTG3S2
Triphora trianthophoraNodding pogonia or three birds orchidOrchidaceaeTG3G4S1
Platanthera ciliarisOrange- or yellow-fringed orchidOrchidaceaeEG5S1S2
Isotria verticillataWhorled pogoniaOrchidaceaeTG5S2
Piperia unalascensisAlaska orchidOrchidaceaeSCG5S2S3
Isotria medeoloidesSmaller whorled pogoniaOrchidaceaeLTXG2SX
Listera auriculataAuricled twaybladeOrchidaceaeSCG3G4S2S3
Tipularia discolorCranefly orchidOrchidaceaeEG4G5S1
Cypripedium arietinumRam's head lady's-slipperOrchidaceaeSCG3S3
Spiranthes ovalisLesser ladies'-tressesOrchidaceaeTG5?S1
Liparis liliifoliaPurple twaybladeOrchidaceaeSCG5S3
Galearis spectabilisShowy orchisOrchidaceaeTG5S2
Platanthera leucophaeaPrairie white-fringed orchidOrchidaceaeLTEG3S1
Amerorchis rotundifoliaSmall round-leaved orchisOrchidaceaeEG5S1
Calypso bulbosaCalypso or fairy-slipperOrchidaceaeTG5S2
Cypripedium candidumWhite lady slipperOrchidaceaeTG4S2
Orobanche fasciculataBroomrapeOrobanchaceaeTG4S2
Oxalis violaceaViolet wood sorrelOxalidaceaeXG5SX
Plantago cordataHeart-leaved plantainPlantaginaceaeEG4S1
Littorella unifloraAmerican shore-grassPlantaginaceaeSCG5S2S3
Panicum verrucosumWarty panic grassPoaceaeTG4S1
Muhlenbergia cuspidataPlains muhlyPoaceaeXG4SX
Aristida longespicaThree-awned grassPoaceaeTG5S2
Bouteloua curtipendulaSide-oats grama grassPoaceaeEG5S1
Agropyron spicatumBluebunch wheatgrassPoaceaeXG5SX
Glyceria melicariaSlender manna grassPoaceaeTG5S1
Calamagrostis lacustrisNorthern reedgrassPoaceaeTG3QS1
Zizania aquatica var. aquaticaWild ricePoaceaeTG5T5S2S3
Bromus pumpellianusPumpelly's bromegrassPoaceaeTG5T4S2
Diarrhena obovataBeak grassPoaceaeTG4G5S2
Aristida tuberculosaBeach three-awned grassPoaceaeEG5S1
Danthonia intermediaWild oat grassPoaceaeSCG5S1S2
Digitaria filiformisSlender finger grassPoaceaeXG5SX
Elymus glaucusBlue wild-ryePoaceaeSCG5S3
Poa paludigenaBog bluegrassPoaceaeTG3S2
Triplasis purpureaSand grassPoaceaeSCG4G5S2
Dichanthelium polyanthesRound-seed panic-grassPoaceaeEGNRS1
Panicum philadelphicumPhiladelphia panic-grassPoaceaeTGNRS2
Panicum longifoliumPanic grassPoaceaeTG4S2
Leymus mollisAmerican dune wild-ryePoaceaeSCG5S3
Sporobolus clandestinusDropseedPoaceaeEG5S1
Muhlenbergia richardsonisMat muhlyPoaceaeTG5S2
Festuca scabrellaRough fescuePoaceaeTG5S2S3
Poa canbyiCanbyi's bluegrassPoaceaeEG4G5S1
Poa alpinaAlpine bluegrassPoaceaeTG5S1S2
Eragrostis pilosaSmall love grassPoaceaeSCG4SH
Trisetum spicatumDowny oat-grassPoaceaeSCG5S2S3
Sporobolus heterolepisPrairie dropseedPoaceaeSCG5S3
Eragrostis capillarisLove grassPoaceaeSCG5SH
Dichanthelium leibergiiLeiberg's panic grassPoaceaeTG5S2
Oryzopsis canadensisCanada rice grassPoaceaeTG5S2
Bromus nottowayanusSatin bromePoaceaeSCG3G5S3
Panicum microcarponSmall-fruited panic-grassPoaceaeSCGNRS2
Phleum alpinumMountain timothyPoaceaeXG5SX
Chasmanthium latifoliumWild oatsPoaceaeEG5S1
Aristida dichotomaThree-awned grassPoaceaeXG5SX
Beckmannia syzigachneSlough grassPoaceaeTG5S2
Calamagrostis strictaNarrow-leaved reedgrassPoaceaeTG5S1
Glyceria acutifloraManna grassPoaceaeXG5SX
Phlox bifidaCleft phloxPolemoniaceaeXG5?SX
Polemonium reptansJacob's ladderPolemoniaceaeTG5S2
Phlox maculataWild sweet WilliamPolemoniaceaeTG5S1
Phlox ovataWideflower phloxPolemoniaceaeEG4S1
Polygala cruciataCross-leaved milkwortPolygalaceaeSCG5S3
Polygala incarnataPink milkwortPolygalaceaeXG5SX
Rumex occidentalisWestern dockPolygonaceaeEG5S1
Polygonum viviparumAlpine bistortPolygonaceaeTG5S1S2
Polygonum careyiCarey's smartweedPolygonaceaeTG4S1S2
Potamogeton hilliiHill's pondweedPotamogetonaceaeTG3S2
Potamogeton bicupulatusWaterthread pondweedPotamogetonaceaeTG4S2
Potamogeton pulcherSpotted pondweedPotamogetonaceaeEG5S1
Potamogeton vaseyiVasey's pondweedPotamogetonaceaeTG4SH
Potamogeton confervoidesAlga pondweedPotamogetonaceaeSCG4S3
Lysimachia hybridaSwamp candlesPrimulaceaeXG5SX
Dodecatheon meadiaShooting starPrimulaceaeEG5S1
Androsace occidentalisRock-jasminePrimulaceaeEG5SH
Pellaea atropurpureaPurple cliff brakePteridaceaeTG5S2
Cryptogramma acrostichoidesAmerican rock-brakePteridaceaeTG5S2
Hydrastis canadensisGoldensealRanunculaceaeTG4S2
Clematis occidentalisPurple clematisRanunculaceaeSCG5S3
Caltha natansFloating marsh marigoldRanunculaceaeTG5SNR
Ranunculus ambigensSpearwortRanunculaceaeTG4SH
Ranunculus lapponicusLapland buttercupRanunculaceaeTG5S1S2
Ranunculus macouniiMacoun's buttercupRanunculaceaeTG5S1
Ranunculus rhomboideusPrairie buttercupRanunculaceaeTG5S2
Ranunculus cymbalariaSeaside crowfootRanunculaceaeTG5S1
Ceanothus sanguineusWild lilacRhamnaceaeTG4G5S2
Dalibarda repensFalse violetRosaceaeTG5S1S2
Filipendula rubraQueen-of-the-prairieRosaceaeTG4G5S2
Gillenia trifoliataBowman's rootRosaceaeEG4G5S1
Sanguisorba canadensisCanadian burnetRosaceaeEG5S1
Geum virginianumPale avensRosaceaeSCG5S1S2
Rubus acaulisDwarf raspberryRosaceaeEG5T5S1
Prunus alleghaniensis var. davisiiAlleghany or Sloe plumRosaceaeSCG4T3QS3
Geum triflorumPrairie smokeRosaceaeTG5S2S3
Potentilla pensylvanicaPrairie cinquefoilRosaceaeTG5S1
Agrimonia rostellataBeaked agrimonyRosaceaeTG5S2
Crataegus douglasiiDouglas's hawthornRosaceaeSCG5S3S4
Chamaerhodos nuttallii var. keweenawensisRock-roseRosaceaeEG5T1QS1
Potentilla paradoxaSand cinquefoilRosaceaeTG5SU
Hedyotis nigricansHedyotisRubiaceaeXG5SX
Houstonia caeruleaAzure bluetRubiaceaeXG5SX
Galium kamtschaticumBedstrawRubiaceaeEG5S1
Ruppia maritimaWidgeon grassRuppiaceaeTG5S1
Salix planifoliaTea-leaved willowSalicaceaeTG5SH
Populus heterophyllaSwamp or Black cottonwoodSalicaceaeEG5S1
Salix pellitaSatiny willowSalicaceaeSCG5S2
Sarracenia pupurea f. heterophyllaYellow pitcher plantSarraceniaceaeTG5T1T2QS1
Saxifraga tricuspidataPrickly saxifrageSaxifragaceaeTG4G5S2
Parnassia palustrisMarsh grass-of-parnassusSaxifragaceaeTG5S2
Saxifraga paniculataEncrusted saxifrageSaxifragaceaeTG5S1
Lygodium palmatumClimbing fernSchizaeaceaeEG4S1
Gratiola virginianaAnnual hedge hyssopScrophulariaceaeTG5S1
Mimulus michiganensisMichigan monkey flowerScrophulariaceaeLEEG5T1S1
Mimulus guttatusWestern monkey flowerScrophulariaceaeSCG5S1
Euphrasia hudsonianaEyebrightScrophulariaceaeTG5?S1
Tomanthera auriculataEared foxgloveScrophulariaceaeXG3SX
Besseya bulliiKitten-tailsScrophulariaceaeEG3S1
Dasistoma macrophyllaMullein-foxgloveScrophulariaceaeEG4S1
Buchnera americanaBlueheartsScrophulariaceaeXG5?SX
Gratiola aureaHedge-hyssopScrophulariaceaeTG5S1S2
Penstemon calycosusBeard tongueScrophulariaceaeTG5S2
Penstemon pallidusPale beard tongueScrophulariaceaeSCG5S3
Mimulus alatusWinged monkey flowerScrophulariaceaeXG5SX
Agalinis skinnerianaSkinner's gerardiaScrophulariaceaeEG3G4S1
Euphrasia nemorosaEyebrightScrophulariaceaeTG5S1
Castilleja septentrionalisPale Indian paintbrushScrophulariaceaeTG5S2S3
Collinsia parvifloraSmall blue-eyed MaryScrophulariaceaeTG5S2
Agalinis gattingeriGattinger's gerardiaScrophulariaceaeEG4S1
Leucospora multifidaConobeaScrophulariaceaeSCG5SNR
Penstemon gracilisSlender beard tongueScrophulariaceaeEG5S1
Chelone obliquaPurple turtleheadScrophulariaceaeEG4S1
Smilax herbaceaSmooth carrion-flowerSmilacaceaeSCG5S3
Celtis tenuifoliaDwarf hackberryUlmaceaeSCG5S3
Valerianella umbilicataCorn saladValerianaceaeTG3G5S2
Valeriana edulis var. ciliataEdible valerianValerianaceaeTG5T3S2
Valerianella chenopodiifoliaGoosefoot corn saladValerianaceaeTG5S1
Hybanthus concolorGreen violetViolaceaeSCG5S3
Viola epipsilaNorthern marsh violetViolaceaeEG4SH
Viola pedatifidaPrairie birdfoot violetViolaceaeTG5S1
Viola novae-angliaeNew England violetViolaceaeTG4QS2
Vitis vulpinaFrost grapeVitaceaeTG5S1S2