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WI Rare Plants 2024

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Families: 80

Genera: 197

Species: 342

Total Taxa: 344 (including subsp. and var.)

ACANTHACEAE

Ruellia humilis

Endangered

ADOXACEAE

Adoxa moschatellina

Threatened

Viburnum cassinoides

Special Concern

Viburnum edule

Endangered

Viburnum prunifolium

Special Concern

ALISMATACEAE

Echinodorus berteroi

Watch List

Sagittaria brevirostra

Watch List

Sagittaria montevidensis subsp. calycina

Special Concern

ANACARDIACEAE

Rhus aromatica

Special Concern

APIACEAE

Chaerophyllum procumbens

Special Concern

Conioselinum chinense

Endangered

Erigenia bulbosa

Endangered

Polytaenia nuttallii

Threatened

Thaspium chapmanii

Endangered

Thaspium trifoliatum var. flavum

Special Concern

APOCYNACEAE

Asclepias hirtella

Special Concern

Asclepias lanuginosa

Threatened

Asclepias ovalifolia

Threatened

Asclepias purpurascens

Endangered

Asclepias sullivantii

Threatened

ARACEAE

Lemna aequinoctialis

Watch List

Lemna obscura

Watch List

Lemna perpusilla

Watch List

ASPARAGACEAE

Camassia scilloides

Endangered

ASPLENIACEAE

Asplenium pinnatifidum

Threatened

Asplenium trichomanes

Special Concern

Asplenium viride

Endangered

ASTERACEAE

Arnoglossum plantagineum

Special Concern

Arnoglossum reniforme

Special Concern

Artemisia dracunculus

Special Concern

Artemisia frigida

Special Concern

Canadanthus modestus

Special Concern

Cirsium pitcheri

Threatened

Cirsium pumilum var. hillii

Threatened

Coreopsis lanceolata

Special Concern

Echinacea pallida

Threatened

Eclipta prostrata

Special Concern

Eurybia furcata

Threatened

Liatris punctata var. punctata

Endangered

Nothocalais cuspidata

Special Concern

Omalotheca sylvatica

Special Concern

Packera indecora

Threatened

Packera plattensis

Special Concern

Petasites frigidus var. sagittatus

Threatened

Prenanthes aspera

Endangered

Prenanthes crepidinea

Endangered

Pseudognaphalium micradenium

Special Concern

Pseudognaphalium saxicola

Threatened

Rudbeckia fulgida

Watch List

Solidago caesia

Endangered

Solidago simplex var. gillmanii

Threatened

Symphyotrichum dumosum

Special Concern

Symphyotrichum racemosum

Watch List

Symphyotrichum robynsianum

Special Concern

Tanacetum bipinnatum subsp. huronense

Endangered

Tephroseris palustris

Special Concern

BERBERIDACEAE

Jeffersonia diphylla

Special Concern

BORAGINACEAE

Hydrophyllum appendiculatum

Special Concern

Myosotis laxa

Special Concern

BRASSICACEAE

Boechera dentata

Special Concern

Boechera missouriensis

Special Concern

Cakile edentula subsp. edentula var. lacustris

Special Concern

Cardamine maxima

Special Concern

Draba arabisans

Special Concern

Draba cana

Endangered

Iodanthus pinnatifidus

Special Concern

Physaria ludoviciana

Threatened

Rorippa aquatica

Endangered

CACTACEAE

Opuntia fragilis

Threatened

CAPRIFOLIACEAE

Lonicera involucrata

Endangered

Valeriana edulis subsp. ciliata

Special Concern

Valeriana uliginosa

Threatened

CARYOPHYLLACEAE

Minuartia dawsonensis

Special Concern

Moehringia macrophylla

Endangered

Paronychia canadensis

Special Concern

Paronychia fastigiata

Watch List

Silene nivea

Special Concern

Silene virginica

Endangered

CELASTRACEAE

Parnassia palustris var. tenuis

Threatened

Parnassia parviflora

Endangered

CISTACEAE

Lechea mucronata

Special Concern

CLEOMACEAE

Polanisia jamesii

Watch List

COMMELINACEAE

Commelina erecta var. deamiana

Special Concern

CONVOLVULACEAE

Cuscuta coryli

Special Concern

Cuscuta glomerata

Special Concern

Cuscuta pentagona

Special Concern

Cuscuta polygonorum

Special Concern

CORNACEAE

Cornus drummondii

Watch List

Nyssa sylvatica

Special Concern

CYPERACEAE

Carex albicans var. albicans

Special Concern

Carex backii

Special Concern

Carex capillaris

Special Concern

Carex careyana

Threatened

Carex concinna

Threatened

Carex crus-corvi

Endangered

Carex cumulata

Special Concern

Carex digitalis var. digitalis

Special Concern

Carex exilis

Threatened

Carex festucacea

Special Concern

Carex formosa

Threatened

Carex garberi

Threatened

Carex gracilescens

Special Concern

Carex laevivaginata

Endangered

Carex lenticularis

Threatened

Carex livida

Special Concern

Carex longii

Watch List

Carex lupuliformis

Endangered

Carex media

Endangered

Carex merritt-fernaldii

Special Concern

Carex michauxiana

Threatened

Carex nigra

Special Concern

Carex novae-angliae

Special Concern

Carex platyphylla

Special Concern

Carex prasina

Special Concern

Carex schweinitzii

Endangered

Carex straminea

Special Concern

Carex suberecta

Special Concern

Carex swanii

Special Concern

Carex sychnocephala

Special Concern

Carex torreyi

Special Concern

Eleocharis compressa var. compressa

Special Concern

Eleocharis engelmannii

Special Concern

Eleocharis equisetoides

Special Concern

Eleocharis flavescens var. olivacea

Special Concern

Eleocharis mamillata

Special Concern

Eleocharis nitida

Endangered

Eleocharis quadrangulata

Endangered

Eleocharis quinqueflora

Special Concern

Eleocharis robbinsii

Special Concern

Eleocharis rostellata

Threatened

Eleocharis wolfii

Endangered

Eriophorum russeolum subsp. leiocarpum

Special Concern

Fimbristylis puberula

Endangered

Fuirena pumila

Endangered

Rhynchospora fusca

Special Concern

Rhynchospora scirpoides

Threatened

Schoenoplectus hallii

Endangered

Schoenoplectus heterochaetus

Special Concern

Schoenoplectus torreyi

Special Concern

Scirpus georgianus

Special Concern

Scirpus pallidus

Special Concern

Scleria reticularis

Endangered

Scleria triglomerata

Special Concern

Scleria verticillata

Special Concern

Trichophorum cespitosum

Threatened

DROSERACEAE

Drosera anglica

Threatened

Drosera linearis

Threatened

DRYOPTERIDACEAE

Cystopteris laurentiana

Special Concern

Dryopteris clintoniana

Watch List

Dryopteris expansa

Special Concern

Dryopteris filix-mas

Special Concern

Gymnocarpium jessoense subsp. parvulum

Special Concern

Gymnocarpium robertianum

Special Concern

Homalosorus pycnocarpos

Special Concern

Polystichum acrostichoides

Special Concern

Polystichum braunii

Threatened

Woodsia oregana subsp. cathcartiana

Special Concern

ELATINACEAE

Elatine triandra

Special Concern

EQUISETACEAE

Equisetum palustre

Special Concern

ERICACEAE

Pterospora andromedea

Endangered

Pyrola minor

Endangered

Rhododendron lapponicum

Endangered

Vaccinium cespitosum

Endangered

Vaccinium pallidum

Special Concern

Vaccinium vitis-idaea

Endangered

EUPHORBIACEAE

Euphorbia commutata

Watch List

Euphorbia polygonifolia

Special Concern

FABACEAE

Astragalus alpinus

Endangered

Astragalus crassicarpus

Endangered

Astragalus neglectus

Endangered

Baptisia tinctoria

Special Concern

Crotalaria sagittalis

Special Concern

Dalea villosa var. villosa

Special Concern

Desmodium canescens

Special Concern

Desmodium perplexum

Special Concern

Glycyrrhiza lepidota

Special Concern

Gymnocladus dioicus

Special Concern

Lespedeza leptostachya

Endangered

Lespedeza violacea

Special Concern

Lespedeza virginica

Threatened

Oxytropis campestris var. chartacea

Endangered

Pediomelum argophyllum

Special Concern

Pediomelum esculentum

Special Concern

Senna hebecarpa

Special Concern

Senna marilandica

Special Concern

Strophostyles leiosperma

Special Concern

FAGACEAE

Quercus muehlenbergii

Special Concern

Quercus palustris

Special Concern

GENTIANACEAE

Bartonia paniculata

Special Concern

GROSSULARIACEAE

Ribes oxyacanthoides var. oxyacanthoides

Threatened

HALORAGACEAE

Myriophyllum humile

Watch List

HYDROCHARITACEAE

Najas gracillima

Special Concern

HYPERICACEAE

Hypericum mutilum

Special Concern

Hypericum prolificum

Special Concern

Hypericum sphaerocarpum

Threatened

IRIDACEAE

Iris lacustris

Threatened

Sisyrinchium albidum

Special Concern

Sisyrinchium angustifolium

Special Concern

JUGLANDACEAE

Juglans cinerea

Special Concern

JUNCACEAE

Juncus marginatus

Special Concern

Juncus stygius

Endangered

Juncus vaseyi

Special Concern

JUNCAGINACEAE

Triglochin palustris

Special Concern

LAMIACEAE

Clinopodium arkansanum

Special Concern

Scutellaria ovata subsp. ovata

Special Concern

Scutellaria parvula var. parvula

Endangered

LENTIBULARIACEAE

Pinguicula vulgaris

Endangered

Utricularia resupinata

Special Concern

Utricularia subulata

Watch List

LYCOPODIACEAE

Huperzia appressa

Special Concern

Huperzia porophila

Special Concern

Huperzia selago

Special Concern

Lycopodiella margueritae

Special Concern

LYTHRACEAE

Ammannia robusta

Special Concern

Didiplis diandra

Special Concern

Rotala ramosior

Special Concern

MALVACEAE

Callirhoe triangulata

Special Concern

Napaea dioica

Special Concern

MELANTHIACEAE

Anticlea elegans var. glauca

Special Concern

Trillium nivale

Threatened

MELASTOMATACEAE

Rhexia virginica

Special Concern

MONTIACEAE

Phemeranthus rugospermus

Special Concern

NYMPHAEACEAE

Nuphar advena

Special Concern

Nuphar microphylla

Special Concern

OLEACEAE

Fraxinus quadrangulata

Threatened

ONAGRACEAE

Epilobium strictum

Special Concern

Oenothera serrulata

Special Concern

OPHIOGLOSSACEAE

Botrychium campestre

Endangered

Botrychium lunaria

Endangered

Botrychium minganense

Special Concern

Botrychium mormo

Endangered

Botrychium pallidum

Special Concern

Botrychium spathulatum

Special Concern

Sceptridium oneidense

Special Concern

Sceptridium rugulosum

Special Concern

ORCHIDACEAE

Amerorchis rotundifolia

Threatened

Aplectrum hyemale

Special Concern

Calopogon oklahomensis

Watch List

Calypso bulbosa

Threatened

Cypripedium arietinum

Threatened

Cypripedium candidum

Threatened

Cypripedium parviflorum var. makasin

Special Concern

Goodyera oblongifolia

Special Concern

Malaxis monophyllos var. brachypoda

Special Concern

Neottia auriculata

Endangered

Neottia convallarioides

Threatened

Platanthera flava var. herbiola

Threatened

Platanthera hookeri

Special Concern

Platanthera leucophaea

Endangered

Spiranthes lucida

Special Concern

Spiranthes magnicamporum

Special Concern

Spiranthes ovalis var. erostellata

Special Concern

Triphora trianthophoros

Special Concern

OROBANCHACEAE

Agalinis auriculata

Special Concern

Agalinis gattingeri

Threatened

Agalinis skinneriana

Endangered

Dasistoma macrophylla

Special Concern

Orobanche fasciculata

Threatened

Orobanche ludoviciana

Endangered

PAPAVERACEAE

Adlumia fungosa

Special Concern

PLANTAGINACEAE

Besseya bullii

Threatened

Callitriche hermaphroditica

Special Concern

Callitriche heterophylla

Threatened

Littorella uniflora

Special Concern

Penstemon hirsutus

Special Concern

Penstemon pallidus

Special Concern

Plantago cordata

Endangered

PLATANACEAE

Platanus occidentalis

Special Concern

POACEAE

Aristida dichotoma

Special Concern

Calamovilfa longifolia var. magna

Threatened

Catabrosa aquatica

Endangered

Danthonia compressa

Watch List

Diarrhena obovata

Endangered

Dichanthelium wilcoxianum

Special Concern

Elymus lanceolatus subsp. psammophilus

Threatened

Festuca occidentalis

Threatened

Festuca paradoxa

Watch List

Graphephorum melicoides

Endangered

Melica nitens

Special Concern

Melica smithii

Endangered

Muhlenbergia richardsonis

Endangered

Piptatheropsis canadensis

Special Concern

Poa paludigena

Special Concern

Poa sylvestris

Special Concern

Poa wolfii

Special Concern

Trisetum spicatum

Threatened

POLEMONIACEAE

Phlox bifida subsp. bifida

Special Concern

Phlox glaberrima subsp. interior

Endangered

Polemonium occidentale subsp. lacustre

Endangered

POLYGALACEAE

Polygala incarnata

Endangered

POTAMOGETONACEAE

Potamogeton bicupulatus

Special Concern

Potamogeton confervoides

Threatened

Potamogeton diversifolius

Special Concern

Potamogeton hillii

Special Concern

Potamogeton oakesianus

Special Concern

Potamogeton perfoliatus

Special Concern

Potamogeton pulcher

Endangered

Potamogeton vaseyi

Special Concern

Stuckenia filiformis subsp. alpina

Special Concern

Stuckenia filiformis subsp. occidentalis

Special Concern

Stuckenia vaginata

Threatened

PRIMULACEAE

Primula fassettii

Special Concern

Primula mistassinica

Special Concern

PTERIDACEAE

Pellaea atropurpurea

Special Concern

RANUNCULACEAE

Aconitum columbianum subsp. columbianum

Threatened

Anemone caroliniana

Endangered

Anemone multifida var. multifida

Endangered

Caltha natans

Endangered

Hydrastis canadensis

Special Concern

Ranunculus cymbalaria

Threatened

Ranunculus gmelinii

Endangered

Ranunculus lapponicus

Endangered

Thalictrum revolutum

Special Concern

Thalictrum venulosum

Special Concern

RHAMNACEAE

Rhamnus lanceolata var. glabrata

Special Concern

ROSACEAE

Agrimonia parviflora

Special Concern

Crataegus beata

Watch List

Geum macrophyllum var. macrophyllum

Special Concern

Geum macrophyllum var. perincisum

Special Concern

RUBIACEAE

Diodia teres

Special Concern

Galium brevipes

Special Concern

Galium palustre

Special Concern

Houstonia caerulea

Special Concern

RUTACEAE

Ptelea trifoliata subsp. trifoliata

Special Concern

SALICACEAE

Salix cordata

Endangered

Salix pellita

Endangered

Salix planifolia

Threatened

Salix sericea

Special Concern

SALVINIACEAE

Azolla cristata

Watch List

Azolla filiculoides

Watch List

SANTALACEAE

Geocaulon lividum

Endangered

SAPINDACEAE

Acer pensylvanicum

Special Concern

SAXIFRAGACEAE

Sullivantia sullivantii

Special Concern

Tiarella cordifolia

Endangered

SELAGINELLACEAE

Selaginella selaginoides

Endangered

SOLANACEAE

Leucophysalis grandiflora

Special Concern

THELYPTERIDACEAE

Phegopteris hexagonoptera

Special Concern

TOFIELDIACEAE

Triantha glutinosa

Threatened

TYPHACEAE

Sparganium glomeratum

Threatened

VERBENACEAE

Verbena simplex

Special Concern

VIOLACEAE

Hybanthus concolor

Watch List

Viola rostrata

Special Concern

Viola sagittata var. ovata

Endangered

Viola striata

Special Concern