The natural resource commission, in consultation with scientists with special knowledge and experience, determined the following plant species to be endangered, threatened, or of special concern in Iowa.
COMMON NAME | SCIENTIFIC NAME | ||
Pale false foxglove | Agalinus skinneriana | ||
Blue giant-hyssop | Agastache foeniculum | ||
Bearberry | Arctostaphylos uva-ursi | ||
Black chokeberry | Aronia melanocarpa | ||
Eared milkweed | Asclepias engelmanniana | ||
Mead's milkweed | Asclepias meadii | ||
Narrow-leaved milkweed | Asclepias stenophylla | ||
Ricebutton aster | Aster dumosus | ||
Large-leaved aster | Aster macrophyllus | ||
Schreber's aster | Aster schreberi | ||
Fern-leaved false foxglove | Aureolaria pedicularia | ||
Matricary grape fern | Botrychium matricariifolium | ||
Poppy mallow | Callirhoe triangulata | ||
Cordroot sedge | Carex chordorrhiza | ||
Large-bracted corydalis | Corydalis curvisiliqua | ||
Silky prairie-clover | Dalea villosa | ||
Swamp-loosestrife | Decodon verticillatus | ||
Northern panic-grass | Dichanthelium boreale | ||
Roundleaved sundew | Drosera rotundifolia | ||
False mermaid | Floerkea proserpinacoides | ||
Bog bedstraw | Galium labradoricum | ||
Povertygrass | Hudsonia tomentosa | ||
Northern St. Johnswort | Hypericum boreale | ||
Pineweed | Hypericum gentianoides | ||
Winterberry | Ilex verticillata | ||
Black-based quillwort | Isoetes melanopoda | ||
Water-willow | Justicia americana | ||
Dwarf dandelion | Krigia virginica | ||
Cleft conobea | Leucospora multifida | ||
Whiskbroom parsley | Lomatium foeniculaceum | ||
Running clubmoss | Lycopodium clavatum | ||
Bog clubmoss | Lycopodium inundatum | ||
Annual skeletonweed | Lygodesmia rostrata | ||
Water marigold | Megalodonta beckii | ||
Northern lungwort | Mertensia paniculata | ||
Bigroot pricklypear | Opuntia macrorhiza | ||
Clustered broomrape | Orobanche fasciculata | ||
Ricegrass | Oryzopsis pungens | ||
Cinnamon fern | Osmunda cinnamomea | ||
Purple cliffbrake | Pellaea atropurpurea | ||
Arrow arum | Peltandra virginica | ||
Pale green orchid | Platanthera flava | ||
Eastern prairie fringed orchid | Platanthera leucophaea | ||
Clammyweed | Polansia jamesii | ||
Crossleaf milkwort | Polygala cruciata | ||
Purple milkwort | Polygala polygama | ||
Jointweed | Polygonella articulata | ||
Douglas' knotweed | Polygonum douglasii | ||
Three-toothed cinquefoil | Potentilla tridentata | ||
Canada plum | Prunus nigra | ||
Frenchgrass | Psoralea onobrychis | ||
Pink shinleaf | Pyrola asarifolia | ||
Prickly rose | Rosa acicularis | ||
Meadow spikemoss | Selaginella eclipes | ||
Rough-leaved goldenrod | Solidago patula | ||
Bog goldenrod | Solidago uliginosa | ||
Yellow-lipped ladies-tresses | Spiranthes lucida | ||
Pickering morning-glory | Stylisma pickeringii | ||
Rough-seeded fameflower | Talinum rugospermum | ||
Waxy meadowrue | Thalictrum revolutum | ||
Long beechfern | Thelypteris phegopteris | ||
Large-leaved violet | Viola incognita | ||
Rusty woodsia | Woodsia ilvensis | ||
Yellow-eyed grass | Xyris torta | ||
77.3(2)Threatened plant species: | |||
Northern wild monkshood | Aconitum noveboracense | ||
Round-stemmed false foxglove | Agalinus gattingerii | ||
Nodding wild onion | Allium cernuum | ||
Fragrant false indigo | Amorpha nana | ||
Virginia snakeroot | Aristolochia serpentaria | ||
Woolly milkweed | Asclepias lanuginosa | ||
Showy milkweed | Asclepias speciosa | ||
Forked aster | Aster furcatus | ||
Rush aster | Aster junciformis | ||
Flax-leaved aster | Aster linariifolius | ||
Water parsnip | Berula erecta | ||
Kittentails | Besseya bullii | ||
Bog birch | Betula pumila | ||
Pagoda plant | Blephilia ciliata | ||
Leathery grapefern | Botrychium multifidum | ||
Little grapefern | Botrychium simplex | ||
Sweet Indian-plantain | Cacalia suaveolens | ||
Poppy mallow | Callirhoe alcaeoides | ||
Pipsissewa | Chimaphila umbellata | ||
Golden saxifrage | Chrysosplenium iowense | ||
Day flower | Commelina erecta | ||
Spotted coralroot | Corallorhiza maculata | ||
Bunchberry | Cornus canadensis | ||
Golden corydalis | Corydalis aurea | ||
Pink corydalis | Corydalis sempervirens | ||
Showy lady's-slipper | Cypripedium reginae | ||
Slim-leaved panic-grass | Dichanthelium linearifolium | ||
Jeweled shooting star | Dodecatheon amethystinum | ||
Glandular wood fern | Dryopteris intermedia | ||
Marginal shield fern | Dryopteris marginalis | ||
Woodland horsetail | Equisetum sylvaticum | ||
Slender cottongrass | Eriophorum gracile | ||
Yellow trout lily | Erythronium americanum | ||
Queen of the prairie | Filipendula rubra | ||
Blue ash | Fraxinus quadrangulata | ||
Black huckleberry | Gaylussacia baccata | ||
Oak fern | Gymnocarpium dryopteris | ||
Green violet | Hybanthus concolor | ||
Twinleaf | Jeffersonia diphylla | ||
Creeping juniper | Juniperus horizontalis | ||
Intermediate pinweed | Lechea intermedia | ||
Hairy pinweed | Lechea villosa | ||
Prairie bush clover | Lespedeza leptostachya | ||
Twinflower | Linnaea borealis | ||
Western parsley | Lomatium orientale | ||
Wild lupine | Lupinus perennis | ||
Tree clubmoss | Lycopodium dendroideum | ||
Rock clubmoss | Lycopodium porophilum | ||
Hairy waterclover | Marsilea vestita | ||
Bog buckbean | Menyanthes trifoliata | ||
Winged monkeyflower | Mimulus alatus | ||
Yellow monkeyflower | Mimulus glabratus | ||
Partridge berry | Mitchella repens | ||
Pinesap | Monotropa hypopithys | ||
Small sundrops | Oenothera perennis | ||
Little pricklypear | Opuntia fragilis | ||
Royal fern | Osmunda regalis | ||
Philadelphia panic-grass | Panicum philadelphicum | ||
Slender beardtongue | Penstemon gracilis | ||
Hooker's orchid | Platanthera hookeri | ||
Northern bog orchid | Platanthera hyperborea | ||
Western prairie fringed orchid | Platanthera praeclara | ||
Purple fringed orchid | Platanthera psycodes | ||
Pink milkwort | Polygala incarnata | ||
Silverweed | Potentilla anserina | ||
Shrubby cinquefoil | Potentilla fruticosa | ||
Pennsylvania cinquefoil | Potentilla pensylvanica | ||
One-sided shinleaf | Pyrola secunda | ||
Meadow beauty | Rhexia virginica | ||
Beaked rush | Rhynchospora capillacea | ||
Northern currant | Ribes hudsonianum | ||
Shining willow | Salix lucida | ||
Bog willow | Salix pedicellaris | ||
Low nutrush | Scleria verticillata | ||
Buffaloberry | Sheperdia argentea | ||
Scarlet globemallow | Sphaeralcea coccinea | ||
Slender ladies-tresses | Spiranthes lacera | ||
Oval ladies-tresses | Spiranthes ovalis | ||
Hooded ladies-tresses | Spiranthes romanzoffiana | ||
Spring ladies-tresses | Spiranthes vernalis | ||
Rosy twisted-stalk | Streptopus roseus | ||
Fameflower | Talinum parviflorum | ||
Large arrowgrass | Triglochin maritimum | ||
Small arrowgrass | Triglochin palustre | ||
Low sweet blueberry | Vaccinium angustifolium | ||
Velvetleaf blueberry | Vaccinium myrtilloides | ||
False hellebore | Veratrum woodii | ||
Kidney-leaved violet | Viola renifolia | ||
Oregon woodsia | Woodsia oregana | ||
77.3(3)Special concern plant species: | |||
Balsam fir | Abies balsamea | ||
Three-seeded mercury | Acalypha gracilens | ||
Three-seeded mercury | Acalypha ostryifolia | ||
Mountain maple | Acer spicatum | ||
Moschatel | Adoxa moschatellina | ||
Water plantain | Alisma gramineum | ||
Wild onion | Allium mutabile | ||
Amaranth | Amaranthus arenicola | ||
Lanceleaf ragweed | Ambrosia bidentata | ||
Saskatoon serviceberry | Amelanchier alnifolia | ||
Low serviceberry | Amelanchier sanguinea | ||
Raccoon grape | Ampelopsis cordata | ||
Pearly everlasting | Anaphalis margaritacea | ||
Sand bluestem | Andropogon hallii | ||
Broomsedge | Andropogon virginicus | ||
Purple angelica | Angelica atropurpurea | ||
Purple rockcress | Arabis divaricarpa | ||
Green rockcress | Arabis missouriensis | ||
Lakecress | Armoracia lacustris | ||
Fringed sagewort | Artemisia frigida | ||
Common mugwort | Artemisia vulgaris | ||
Pawpaw | Asimina triloba | ||
Curved aster | Aster falcatus | ||
Hairy aster | Aster pubentior | ||
Prairie aster | Aster turbinellus | ||
Standing milkvetch | Astragalus adsurgens | ||
Bent milkvetch | Astragalus distortus | ||
Missouri milkvetch | Astragalus missouriensis | ||
Blue wild indigo | Baptisia australis | ||
Yellow wild indigo | Baptisia tinctoria | ||
Prairie moonwort | Botrychium campestre | ||
Watershield | Brasenia schreberi | ||
Buffalograss | Buchloe dactyloides | ||
Poppy mallow | Callirhoe papaver | ||
Water-starwort | Callitriche heterophylla | ||
Grass pink | Calopogon tuberosus | ||
Low bindweed | Calystegia spithamaea | ||
Clustered sedge | Carex aggregata | ||
Back's sedge | Carex backii | ||
Bush's sedge | Carex bushii | ||
Carey's sedge | Carex careyana | ||
Flowerhead sedge | Carex cephalantha | ||
Field sedge | Carex conoidea | ||
Crawe's sedge | Carex crawei | ||
Fringed sedge | Carex crinita | ||
Double sedge | Carex diandra | ||
Douglas' sedge | Carex douglasii | ||
Dry sedge | Carex foena | ||
Thin sedge | Carex gracilescens | ||
Delicate sedge | Carex leptalea | ||
Mud sedge | Carex limosa | ||
Hoplike sedge | Carex lupuliformis | ||
Yellow sedge | Carex lurida | ||
Intermediate sedge | Carex media | ||
Backward sedge | Carex retroflexa | ||
Richardson's sedge | Carex richardsonii | ||
Rocky Mountain sedge | Carex saximontana | ||
Sterile sedge | Carex sterilis | ||
Soft sedge | Carex tenera | ||
Deep green sedge | Carex tonsa | ||
Tuckerman's sedge | Carex tuckermanii | ||
Umbrella sedge | Carex umbellata | ||
Wild oats | Chasmanthium latifolium | ||
Pink turtlehead | Chelone obliqua | ||
Fogg's goosefoot | Chenopodium foggii | ||
Missouri goosefoot | Chenopodium missouriensis | ||
Coast blite | Chenopodium rubrum | ||
Bugbane | Cimicifuga racemosa | ||
Hill's thistle | Cirsium hillii | ||
Swamp thistle | Cirsium muticum | ||
Wavy-leaved thistle | Cirsium undulatum | ||
Western clematis | Clematis occidentalis | ||
Blue-eyed Mary | Collinsia verna | ||
Cancer-root | Conopholis americana | ||
Fireberry hawthorn | Crataegus chrysocarpa | ||
Red hawthorn | Crataegus coccinea | ||
Two-fruited hawthorn | Crataegus disperma | ||
Hawthorn | Crataegus pruinosa | ||
Hawksbeard | Crepis runcinata | ||
Prairie tea | Croton monanthogynus | ||
Crotonopsis | Crotonopsis elliptica | ||
Waxweed | Cuphea viscosissima | ||
Dodder | Cuscuta indecora | ||
Small white lady's-slipper | Cypripedium candidum | ||
Carolina larkspur | Delphinium carolinianum | ||
Sessile-leaved tick trefoil | Desmodium sessilifolium | ||
Fingergrass | Digitaria filiformis | ||
Buttonweed | Diodia teres | ||
Purple coneflower | Echinacea purpurea | ||
Waterwort | Elatine triandra | ||
Purple spikerush | Eleocharis atropurpurea | ||
Green spikerush | Eleocharis olivacea | ||
Oval spikerush | Eleocharis ovata | ||
Dwarf spikerush | Eleocharis parvula | ||
Few-flowered spikerush | Eleocharis pauciflora | ||
Wolf's spikerush | Eleocharis wolfii | ||
Interrupted wildrye | Elymus interruptus | ||
Dwarf scouring rush | Equisetum scirpoides | ||
Ponygrass | Eragrostis reptans | ||
Tall cottongrass | Eriophorum angustifolium | ||
Tawny cottongrass | Eriophorum virginicum | ||
Upland boneset | Eupatorium sessilifolium | ||
Spurge | Euphorbia commutata | ||
Missouri spurge | Euphorbia missurica | ||
Slender fimbristylis | Fimbristylis autumnalis | ||
Umbrella grass | Fuirena simplex | ||
Rough bedstraw | Galium asprellum | ||
Small fringed gentian | Gentianopsis procera | ||
Northern cranesbill | Geranium bicknellii | ||
Spring avens | Geum vernum | ||
Early cudweed | Gnaphalium purpureum | ||
Limestone oak fern | Gymnocarpium robertianum | ||
Bitterweed | Helenium amarum | ||
Mud plantain | Heteranthera limosa | ||
Water stargrass | Heteranthera reniformis | ||
Hairy goldenaster | Heterotheca villosa | ||
Common mare's-tail | Hippuris vulgaris | ||
Canadian St. Johnswort | Hypericum canadense | ||
Drummond St. Johnswort | Hypericum drummondii | ||
White morning glory | Ipomoea lacunosa | ||
Sumpweed | Iva annua | ||
Alpine rush | Juncus alpinus | ||
Toad rush | Juncus bufonius | ||
Soft rush | Juncus effusus | ||
Green rush | Juncus greenii | ||
Edged rush | Juncus marginatus | ||
Vasey's rush | Juncus vaseyi | ||
Potato dandelion | Krigia dandelion | ||
Pinweed | Lechea racemulosa | ||
Duckweed | Lemna perpusilla | ||
Creeping bush clover | Lespedeza repens | ||
Silvery bladder-pod | Lesquerella ludoviciana | ||
Wild flax | Linum medium | ||
Brook lobelia | Lobelia kalmii | ||
False loosestrife | Ludwigia peploides | ||
Crowfoot clubmoss | Lycopodium digitatum | ||
Adder's-mouth orchid | Malaxis unifolia | ||
Globe mallow | Malvastrum hispidum | ||
Two-flowered melic-grass | Melica mutica | ||
Ten-petaled blazingstar | Mentzelia decapetala | ||
Millet grass | Milium effusum | ||
Rock sandwort | Minuartia michauxii | ||
Naked mitrewort | Mitella nuda | ||
Scratchgrass | Muhlenbergia asperifolia | ||
Water milfoil | Myriophyllum heterophyllum | ||
Rough water milfoil | Myriophyllum pinnatum | ||
Water milfoil | Myriophyllum verticillatum | ||
Glade mallow | Napaea dioica | ||
Showy evening primrose | Oenothera speciosa | ||
Northern adders-tongue fern | Ophioglossum vulgatum | ||
Louisiana broomrape | Orobanche ludoviciana | ||
Mountain ricegrass | Oryzopsis asperifolia | ||
Gattinger's panic-grass | Panicum gattingeri | ||
White beardtongue | Penstemon albidus | ||
Cobaea penstemon | Penstemon cobaea | ||
Tube penstemon | Penstemon tubiflorus | ||
Cleft phlox | Phlox bifida | ||
Annual ground cherry | Physalis pubescens | ||
Heart-leaved plantain | Plantago cordata | ||
Wood orchid | Platanthera clavellata | ||
Green fringed orchid | Platanthera lacera | ||
Plains bluegrass | Poa arida | ||
Chapman's bluegrass | Poa chapmaniana | ||
Weak bluegrass | Poa languida | ||
Bog bluegrass | Poa paludigena | ||
Meadow bluegrass | Poa wolfii | ||
Hairy Solomon's-seal | Polygonatum pubescens | ||
Large-leaved pondweed | Potamogeton amplifolius | ||
Ribbonleaf pondweed | Potamogeton epihydrus | ||
White-stemmed pondweed | Potamogeton praelongus | ||
Spiralled pondweed | Potamogeton spirillus | ||
Tussock pondweed | Potamogeton strictifolius | ||
Vasey's pondweed | Potamogeton vaseyi | ||
Bird's-eye primrose | Primula mistassinica | ||
Prionopsis | Prionopsis ciliata | ||
Mermaid weed | Proserpinaca palustris | ||
Dwarf cherry | Prunus besseyi | ||
Hortulan plum | Prunus hortulana | ||
Sand cherry | Prunus pumila | ||
Lemon scurfpea | Psoralea lanceolata | ||
Crowfoot | Ranunculus circinatus | ||
Gmelin's crowfoot | Ranunculus gmelinii | ||
Buckthorn | Rhamnus alnifolia | ||
Dwarf sumac | Rhus copallina | ||
Northern gooseberry | Ribes hirtellum | ||
Yellow cress | Rorippa sinuata | ||
Swamp rose | Rosa palustris | ||
Tooth-cup | Rotala ramosior | ||
Dewberry | Rubus hispidus | ||
Western dock | Rumex occidentalis | ||
Widgeon grass | Ruppia maritima | ||
Prairie rose gentian | Sabatia campestris | ||
Sage willow | Salix Candida | ||
Sassafras | Sassafras albidum | ||
Tumblegrass | Schedonnardus paniculatus | ||
Scheuchzeria | Scheuchzeria palustris | ||
Sensitive briar | Schrankia nuttallii | ||
Hall's bulrush | Scirpus hallii | ||
Prairie bulrush | Scirpus maritimus | ||
Pedicelled bulrush | Scirpus pedicellatus | ||
Smith's bulrush | Scirpus smithii | ||
Torrey's bulrush | Scirpus torreyi | ||
Veiny skullcap | Scutellaria nervosa | ||
Wild stonecrop | Sedum ternatum | ||
Rock spikemoss | Selaginella rupestris | ||
Butterweed | Senecio glabellus | ||
False golden ragwort | Senecio pseudaureus | ||
Knotweed bristlegrass | Setaria geniculata | ||
Virginia rockcress | Sibara virginica | ||
Prairie dock | Silphium terebinthinaceum | ||
Burreed | Sparganium androcladum | ||
Great plains ladies-tresses | Spiranthes magnicamporum | ||
Clandestine dropseed | Sporobolus clandestinus | ||
Rough hedge-nettle | Stachys aspera | ||
Needle-and-thread | Stipa comata | ||
White coralberry | Symphoriocarpos albus | ||
Eared false foxglove | Tomanthera auriculata | ||
Spiderwort | Tradescantia virginiana | ||
Humped bladderwort | Utricularia gibba | ||
Flat-leaved bladderwort | Utricularia intermedia | ||
Small bladderwort | Utricularia minor | ||
Valerian | Valeriana edulis | ||
American brookline | Veronica americana | ||
Marsh speedwell | Veronica scutellata | ||
Maple-leaved arrowwood | Viburnum acerifolium | ||
Black arrowwood | Viburnum molle | ||
Black haw | Viburnum prunifolium | ||
Spurred violet | Viola adunca | ||
Lance-leaved violet | Viola lanceolata | ||
Macloskey's violet | Viola macloskeyi | ||
Pale violet | Viola striata | ||
Summer grape | Vitis aestivalis | ||
Frost grape | Vitis vulpina |
Iowa Admin. Code r. 571-77.3