Vascular plants - endangered
Agalinis auriculata (Michx.) Blake, Scrophulariaceae eared false foxglove
Agalinis gattingeri (Sm.) Sm. ex Britt., Scrophulariaceae round-stemmed false foxglove
Asclepias stenophylla Gray, Asclepiadaceae narrow-leaved milkweed
Astragalus alpinus L., Fabaceae alpine milk-vetch
Bartonia virginica (L.) B.S.P., Gentianaceae Virginia bartonia
Botrychium gallicomontanum Farrar & Johnson-Groh, Ophioglossaceae Frenchman's Bluff moonwort
Botrychium oneidense (Gilbert) House, Ophioglossaceae blunt-lobed grapefern
Botrychium pallidum W.H. Wagner, Ophioglossaceae pale moonwort
Cacalia suaveolens L., Asteraceae sweet-smelling Indian-plantain
Caltha natans Pallas ex Georgi, Ranunculaceae floating marsh-marigold
Carex formosa Dewey, Cyperaceae handsome sedge
Carex pallescens L., Cyperaceae pale sedge
Carex plantaginea Lam., Cyperaceae plantain-leaved sedge
Castilleja septentrionalis Lindl., Scrophulariaceae northern paintbrush
Cheilanthes lanosa (Michaux) D.C. Eaton, Pteridaceae hairy lip-fern
Chrysosplenium iowense Rydb., Saxifragaceae Iowa golden saxifrage
Cristatella jamesii T. & G., Capparidaceae James' polanisia
Dodecatheon meadia L., Primulaceae prairie shooting star
Draba norvegica Gunn., Brassicaceae Norwegian whitlow-grass
Eleocharis wolfii Gray, Cyperaceae Wolf's spike-rush
Empetrum eamesii Fern. & Wieg., Empetraceae purple crowberry
Empetrum nigrum L., Empetraceae black crowberry
Erythronium propullans Gray, Liliaceae dwarf trout lily (E)? factsheet
Escobaria vivipara (Nutt.) Buxbaum, Cactaceae ball cactus
Fimbristylis puberula (Michx.) Vahl var. interior (Britt.) Kral, Cyperaceae hairy fimbristylis
Glaux maritima L., Primulaceae sea milkwort
Hydrastis canadensis L., Ranunculaceae golden-seal
Iodanthus pinnatifidus (Michx.) Steud., Brassicaceae purple rocket
Isoetes melanopoda Gay & Dur., Isoetaceae blackfoot quillwort
Lechea tenuifolia Michx., Cistaceae narrow-leaved pinweed
Lesquerella ludoviciana (Nutt.) S. Wats., Brassicaceae bladder pod
Listera auriculata Wieg., Orchidaceae auricled twayblade
Malaxis paludosa (L.) Sw., Orchidaceae bog adder's-mouth
Marsilea vestita Hooker & Greville, Marsileaceae hairy water clover
Montia chamissoi (Ledeb. ex. Spreng.) Greene, Portulacaceae montia
Oryzopsis hymenoides (R. & S.) Ricker ex Piper, Poaceae Indian ricegrass
Osmorhiza berteroi H. & A., Apiaceae Chilean sweet cicely
Oxytropis viscida Nutt., Fabaceae sticky locoweed
Paronychia fastigiata (Raf.) Fern., Caryophyllaceae forked chickweed
Parthenium integrifolium L., Asteraceae wild quinine
Platanthera flava (L.) Lindl. var. herbiola (R. Br.) Ames & Correll, Orchidaceae tubercled rein-orchid
Platanthera praeclara Sheviak & Bowles, Orchidaceae western prairie fringed orchid (T)? factsheet
Polemonium occidentale Greene ssp. lacustre Wherry, Polemoniaceae western Jacob's-ladder
Polygala cruciata L., Polygalaceae cross-leaved milkwort
Polystichum braunii (Spenner) Fee, Dryopteridaceae Braun's holly fern
Potamogeton bicupulatus Fern., Potamogetonaceae snailseed pondweed
Potamogeton diversifolius Raf., Potamogetonaceae diverse-leaved pondweed
Psoralidium tenuiflora (Pursch) Rydb., Fabaceae slender-leaved scurf pea
Sagina nodosa (L.) fenzl ssp. borealis Crow, Caryophyllaceae knotty pearlwort
Saxifraga cernua L., Saxifragaceae nodding saxifrage
Scleria triglomerata Michx., Cyperaceae tall nut-rush
Sedum integrifolium (Raf.) A. Nels. ssp. leedyi (Rosend. & Moore) Clausen, Crassulaceae Leedy's roseroot (T)? factsheet
Selaginella selaginoides (L.) Link, Selaginellaceae northern spikemoss
Senecio canus Hook., Asteraceae gray ragwort
Talinum rugospermum Holzinger, Portulacaceae rough-seeded fameflower
Tofieldia pusilla (Michx.) Pers., Liliaceae small false asphodel
Xyris torta Sm., Xyridaceae twisted yellow-eyed grass