Iowa Admin. Code r. 571-77.3
77.3(1) Endangered plant species:
| Common Name | Scientific Name | |
| Pale false foxglove | Agalinis skinneriana | |
| Roundleaf serviceberry | Amelanchier sanguinea | |
| Raccoon grape | Ampelopsis cordata | |
| Pearly everlasting | Anaphalis margaritacea | |
| Sand bluestem | Andropogon hallii | |
| Round-lobed hepatica | Anemone americana | |
| Carolina anemone | Anemone caroliniana | |
| Bearberry | Arctostaphylos uva-ursi | |
| Virginia snakeroot | Aristolochia serpentaria | |
| Black chokeberry | Aronia melanocarpa | |
| Fringed sagewort | Artemisia frigida | |
| Mead’s milkweed | Asclepias meadii | |
| Showy milkweed | Asclepias speciosa | |
| Green antelopehorn | Asclepias viridis | |
| Wall-rue | Asplenium ruta-muraria | |
| Field milkvetch | Astragalus agrestis | |
| Prairie milkvetch | Astragalus laxmannii | |
| Fern-leaved false foxglove | Aureolaria pedicularia | |
| Water marigold | Bidens beckii | |
| Matricary grape fern | Botrychium matricariifolium | |
| Little grapefern | Botrychium simplex | |
| Swamp moonwort | Botrychium tenebrosum | |
| White-tinged sedge | Carex albicans | |
| Back’s sedge | Carex backii | |
| Cordroot sedge | Carex chordorrhiza | |
| Fringed sedge | Carex crinita | |
| Raven’s-foot sedge | Carex crus-corvi | |
| Star sedge | Carex echinata | |
| Shoreline sedge | Carex hyalenolepis | |
| Hoplike sedge | Carex lupuliformis | |
| Intermediate sedge | Carex media | |
| Plantain-leaved sedge | Carex plantaginea | |
| Drooping sedge | Carex prasina | |
| Cyperus-like sedge | Carex pseudocyperus | |
| Reflexed sedge | Carex retroflexa | |
| Rocky Mountain sedge | Carex saximontana | |
| Fireweed | Chamaenerion angustifolium | |
| Pipsissewa | Chimaphila umbellata | |
| Drooping woodreed | Cinna latifolia | |
| Purple clematis | Clematis occidentalis | |
| Blue-eyed mary | Collinsia verna | |
| Spotted coralroot | Corallorhiza maculata | |
| Golden corydalis | Corydalis aurea | |
| Large-bracted corydalis | Corydalis curvisiliqua | |
| Pale corydalis | Corydalis flavula | |
| Pink corydalis | Corydalis sempervirens | |
| Silky prairie-clover | Dalea villosa | |
| Tree clubmoss | Dendrolycopodium dendroideum | |
| Sessile-leaved tick trefoil | Desmodium sessilifolium | |
| Roundleaved sundew | Drosera rotundifolia | |
| Marginal shield fern | Dryopteris marginalis | |
| Purple coneflower | Echinacea purpurea | |
| Elliptic spikerush | Eleocharis elliptica | |
| Few-flowered spikerush | Eleocharis quinqueflora | |
| Wolf’s spikerush | Eleocharis wolfii | |
| Wiegand’s wildrye | Elymus wiegandii | |
| Downy willowherb | Epilobium strictum | |
| Slender cottongrass | Eriophorum gracile | |
| Tawny cottongrass | Eriophorum virginicum | |
| Wood spurge | Euphorbia commutata | |
| Forked aster | Eurybia furcata | |
| Large-leaved aster | Eurybia macrophylla | |
| Schreber’s aster | Eurybia schreberi | |
| Queen of the prairie | Filipendula rubra | |
| False mermaid | Floerkea proserpinacoides | |
| Rough bedstraw | Galium asprellum | |
| Black Huckleberry | Gaylussacia baccata | |
| Hairy goldenaster | Heterotheca villosa | |
| Povertygrass | Hudsonia tomentosa | |
| Rock clubmoss | Huperzia porophila | |
| Canadian St. Johnswort | Hypericum canadense | |
| Pineweed | Hypericum gentianoides | |
| Flax-leaved aster | Ionactis linariifolia | |
| White morning-glory | Ipomoea lacunosa | |
| Black-based quillwort | Isoetes melanopoda | |
| Alpine rush | Juncus alpinoarticulatus | |
| Edged rush | Juncus marginatus | |
| Vasey’s rush | Juncus vaseyi | |
| Creeping juniper | Juniperus horizontalis | |
| Intermediate pinweed | Lechea intermedia | |
| Hairy pinweed | Lechea mucronata | |
| Wild lupine | Lupinus perennis | |
| Bog clubmoss | Lycopodiella inundata | |
| Hairy waterclover | Marsilea vestita | |
| Millet grass | Milium effusum | |
| Sensitive briar | Mimosa nuttallii | |
| Partridge berry | Mitchella repens | |
| Naked miterwort | Mitella nuda | |
| Mat muhly | Muhlenbergia richardsonis | |
| Small sundrops | Oenothera perennis | |
| Fragile prickly-pear | Opuntia fragilis | |
| Frenchgrass | Orbexilum onobrychis | |
| Clustered broomrape | Orobanche fasciculata | |
| One-sided shinleaf | Orthilia secunda | |
| Rough-leaved ricegrass | Oryzopsis asperifolia | |
| Cinnamon fern | Osmundastrum cinnamomeum | |
| Philadelphia panic grass | Panicum philadelphicum | |
| Arrow arum | Peltandra virginica | |
| Cobaea beardtongue | Penstemon cobaea | |
| Slender beardtongue | Penstemon gracilis | |
| Tube beardtongue | Penstemon tubaeflorus | |
| Wild dill | Perideridia americana | |
| Long beechfern | Phegopteris connectilis | |
| Fameflower | Phemeranthus parviflorus | |
| Rough-seeded fameflower | Phemeranthus rugospermus | |
| Mountain ricegrass | Piptatherum pungens | |
| Wood orchid | Platanthera clavellata | |
| Hooker’s orchid | Platanthera hookeri | |
| Green fringed orchid | Platanthera lacera | |
| Eastern prairie fringed orchid | Platanthera leucophaea | |
| Woodland Bluegrass | Poa saltuensis | |
| Clammyweed | Polansia jamesii | |
| Crossleaf milkwort | Polygala cruciata | |
| Pink milkwort | Polygala incarnata | |
| Purple milkwort | Polygala polygama | |
| Hairy Solomon’s-seal | Polygonatum pubescens | |
| Jointweed | Polygonella articulata | |
| White-stemmed pondweed | Potamogeton praelongus | |
| Silverweed | Potentilla anserina | |
| Pennsylvania cinquefoil | Potentilla pensylvanica | |
| Stem flower dewberry | Rubus caulifloris | |
| Washington dewberry | Rubus celer | |
| Swamp dewberry | Rubus hispidus | |
| Recurved blackberry | Rubus recurvans | |
| New England blackberry | Rubus semisetosus | |
| Bottomland dewberry | Rubus serratus | |
| Uniform bristleberry | Rubus uniformis | |
| Shining willow | Salix lucida | |
| Smith’s bulrush | Schoenoplectiella smithii | |
| Downy skullcap | Scutellaria incana | |
| Veined skullcap | Scutellaria nervosa | |
| Wild stonecrop | Sedum ternatum | |
| Meadow spikemoss | Selaginella eclipes | |
| Knotweed bristlegrass | Setaria parviflora | |
| Annual skeletonweed | Shinneroseris rostata | |
| Three-toothed cinquefoil | Sibbaldiopsis tridentata | |
| Needle-pointed blue-eyed grass | Sisyrinchium mucronatum | |
| Rough-leaved goldenrod | Solidago patula | |
| Bog goldenrod | Solidago uliginosa | |
| Yellow-lipped ladies-tresses | Spiranthes lucida | |
| Hooded ladies-tresses | Spiranthes romanzoffiana | |
| Little ladies-tresses | Spiranthes tuberosa | |
| Spring ladies-tresses | Spiranthes vernalis | |
| Rough-leaved hedge-nettle | Stachys aspera | |
| Pickering morning-glory | Stylisma pickeringii | |
| Snowberry | Symphoricarpos albus | |
| Waxy meadowrue | Thalictrum amphibolum | |
| Western spiderwort | Tradescantia occidentalis | |
| Small bladderwort | Utricularia minor | |
| Sessile-leaf bellwort | Uvularia sessilifolia | |
| Low sweet blueberry | Vaccinium angustifolium | |
| Velvetleaf blueberry | Vaccinium myrtilloides | |
| American brookline | Veronica americana | |
| Maple-leaved arrowwood | Viburnum acerifolium | |
| Spurred violet | Viola adunca | |
| Large-leaved violet | Viola blanda | |
| Frost grape | Vitis vulpina | |
| Rusty woodsia | Woodsia ilvensis | |
| Oregon woodsia | Woodsia oregana |
77.3(2) Threatened plant species:
| Common Name | Scientific Name | |
| Slender three-seeded mercury | Acalypha gracilens | |
| Northern wild monkshood | Aconitum noveboracense | |
| Round-stemmed false foxglove | Agalinis gattingeri | |
| Inland serviceberry | Amelanchier interior | |
| Fragrant false indigo | Amorpha nana | |
| Woolly milkweed | Asclepias lanuginosa | |
| Oval-leaved milkweed | Asclepias ovalifolia | |
| Narrow-leaved milkweed | Asclepias stenophylla | |
| Pawpaw | Asimina triloba | |
| Water parsnip | Berula erecta | |
| Watershield | Brasenia schreberi | |
| Poppy mallow | Callirhoe triangulata | |
| Water-starwort | Callitriche heterophylla | |
| Low bindweed | Calystegia spithamaea | |
| Assiniboine sedge | Carex assininboinensis | |
| Carey’s sedge | Carex careyana | |
| Fibrous-root sedge | Carex communis | |
| Spreading sedge | Carex laxiculmis | |
| Delicate sedge | Carex leptalea | |
| Yellow sedge | Carex lurida | |
| Sterile sedge | Carex sterilis | |
| Quill sedge | Carex tenera | |
| Shaved sedge | Carex tonsa | |
| Wood’s sedge | Carex woodii | |
| Pink turtlehead | Chelone obliqua | |
| Marsh cinquefoil | Comarum palustre | |
| Dayflower | Commelina erecta | |
| Bunchberry | Cornus canadensis | |
| Fireberry hawthorn | Crataegus chrysocarpa | |
| Waxy-fruited hawthorn | Crataegus pruinosa | |
| Showy lady’s slipper | Cypripedium reginae | |
| Shrubby cinquefoil | Dasiphora fruticosa | |
| Silvery spleenwort | Deparia acrostichoides | |
| Northern panic-grass | Dichanthelium boreale | |
| Slim-leaved panic-grass | Dichanthelium linearifolium | |
| Narrow-leaved spleenwort | Diplazium pynocarpon | |
| Glandular wood fern | Dryopteris intermedia | |
| Oval spikerush | Eleocharis ovata | |
| Woodland horsetail | Equisetum sylvaticum | |
| Yellow trout lily | Erythronium americanum | |
| Upland boneset | Eupatorium sessilifolium | |
| Slender fimbry | Fimbristylis autumnalis | |
| Blue ash | Fraxinus quadrangulata | |
| Bog bedstraw | Galium labradoricum | |
| Oak fern | Gymnocarpium dryopteris | |
| Needle-and-thread grass | Hesperostipa comata | |
| Green violet | Hybanthus concolor | |
| Winterberry | Ilex verticillata | |
| Twinleaf | Jeffersonia diphylla | |
| Green rush | Juncus greenii | |
| Dwarf dandelion | Krigia virginica | |
| Prairie bush clover | Lespedeza leptostachya | |
| Cleft conobea | Leucospora multifida | |
| Twinflower | Linnaea borealis | |
| Whiskbroom parsley | Lomatium foeniculaceum | |
| Western parsley | Lomatium orientale | |
| Running clubmoss | Lycopodium clavatum | |
| Bunchflower | Melanthium virginicum | |
| Ten-petaled blazingstar | Mentzelia decapetala | |
| Bog buckbean | Menyanthes trifoliata | |
| Northern lungwort | Mertensia paniculata | |
| Rock sandwort | Minuartia michauxii | |
| Pinesap | Monotropa hypopithys | |
| Southern adder’s-tongue | Ophioglossum vulgatum | |
| Royal fern | Osmunda regalis | |
| Purple cliffbrake | Pellaea atropurpurea | |
| White beardtongue | Penstemon albidus | |
| Broad beech fern | Phegopteris hexagonoptera | |
| Northern bog orchid | Platanthera aquilonis | |
| Western prairie fringed orchid | Platanthera praeclara | |
| Purple fringed orchid | Platanthera psycodes | |
| Bog bluegrass | Poa paludigena | |
| Nodding rattlesnake-root | Prenanthes crepidinea | |
| Canada plum | Prunus nigra | |
| Sand cherry | Prunus pumila | |
| Pink shinleaf | Pyrola asarifolia | |
| Meadow beauty | Rhexia virginica | |
| Northern currant | Ribes hudsonianum | |
| Wood’s rose | Rosa woodsii | |
| Garden dewberry | Rubus aboriginum | |
| Short-stalked dewberry | Rubus curtipes | |
| Southern dewberry | Rubus enslenii | |
| Iron River dewberry | Rubus ferrofluvius | |
| Common dewberry | Rubus flagellaris | |
| Fuller’s bristly dewberry | Rubus fulleri | |
| Downy dewberry | Rubus satis | |
| Widgeon grass | Ruppia cirrhosa | |
| Bog willow | Salix pedicellaris | |
| Leathery grapefern | Sceptridium multifidum | |
| Low nutrush | Scleria verticillata | |
| Buffaloberry | Sheperdia argentea | |
| Scarlet globemallow | Sphaeralcea coccinea | |
| Rush aster | Symphyotrichum boreale | |
| Large arrowgrass | Triglochin maritima | |
| Small arrowgrass | Triglochin palustris | |
| Black arrowwood | Viburnum molle | |
| Lance-leaved violet | Viola lanceolata | |
| Macloskey’s violet | Viola macloskeyi | |
| Kidney-leaved violet | Viola renifolia | |
| Summer grape | Vitis aestivalis | |
| Yellow-eyed grass | Xyris torta |
The natural resource commission, in consultation with scientists with special knowledge and experience, determined the following plant species to be endangered or threatened in Iowa.
[ARC 0267D, IAB 5/13/26, effective 6/17/26]