Family Hydrocharitaceae:
Twoleaf waterweed (Elodea longivaginata)
Family Potamogetonaceae:
Alpine pondweed (Potamogeton alpinus)
Ribbonleaf pondweed (Potamogeton epihydrusvar. nuttallii)
Fineleaf pondweed (Potamogeton filiformis)
Variableleaf pondweed (Potamogeton gramineus)
Floating pondweed (Potamogeton natans)
Sago pondweed (Potamogeton pectinatus)
Small pondweed (Potamogeton pusillus)
Family Juncaginaceae:
Seaside arrowgrass (Triglochin maritimum)
Marsh arrowgrass (Triglochin palustre)
Family Lemnaceae:
Common duckweed (Lemna minor)
Least duckweed (Lemna minuscula)
Turion duckweed (Lemna turionifera)
Family Commelinaceae:
Prairie spiderwort (Tradescantia occidentalis)
Family Poaceae:
Crested wheatgrass (Agropyron cristatum)
Spike bentgrass (Agrostis exarata)
Redtop (Agrostis gigantea)
Alpine bentgrass (Agrostis humilis)
Arctic bentgrass (Agrostis mertensii)
Creeping bentgrass (Agrostis palustris)
Rough bentgrass (Agrostis scabra)
Thurber's bentgrass (Agrostis thurberiana)
Mountain bentgrass (Agrostis variabilis)
Shortawn foxtail (Alopecurus aequalis)
Boreal alopecurus (Alopecurus alpinusssp. glaucus)
Boreal alopecurus (Alopecurus alpinusvar. glaucus)
Meadow foxtail (Alopecurus pratensis)
Cheatgrass (Anisantha tectorum)
American sloughgrass (Beckmannia syzigachnessp. baicalensis)
Pine dropseed (Blepharoneuron tricholepis)
Blue grama (Bouteloua gracilis)
Canadian brome (Bromopsis canadensis)
Smooth brome (Bromopsis inermis)
Woolly brome (Bromopsis lanatipes)
Nodding brome (Bromopsis porteri)
Pumpelly brome (Bromopsis pumpelliana)
Japanese brome (Bromus japonicus)
Bluejoint (Calamagrostis canadensis)
Purple reedgrass (Calamagrostis purpurascens)
Slimstem reedgrass (Calamagrostis stricta)
California brome (Ceratochloa carinata)
Drooping woodreed (Cinna latifolia)
Meadow barley (Critesion brachyantherum)
Bobtail barley (Critesion jubatum)
Orchardgrass (Dactylis glomerata)
Timber oatgrass (Danthonia intermedia)
Parry's danthonia (Danthonia parryi)
Tufted hairgrass (Deschampsia cespitosa)
Blue wildrye (Elymus glaucus)
Bottlebrush squirreltail (Elymus longifolius)
Spreading wheatgrass (Elymus scribneri)
Slender wheatgrass (Elymus trachycaulus)
Intermediate wheatgrass (Elytrigia intermedia)
Creeping quackgrass (Elytrigia repens)
Baffin fescue (Festuca baffinensis)
Colorado fescue (Festuca brachyphyllassp. coloradensis)
Smallflower fescue (Festuca minutiflora)
Meadow fescue (Festuca pratensis)
Red fescue (Festuca rubra)
Rocky Mountain fescue (Festuca saximontana)
Thurber's fescue (Festuca thurberi)
Northern mannagrass (Glyceria borealis)
Tall mannagrass (Glyceria elata)
American mannagrass (Glyceria maximassp. grandis)
Fowl mannagrass (Glyceria striatassp. stricta)
Fowl mannagrass (Glyceria striatavar. stricta)
Morton's alpineoatgrass (Helictotrichon mortonianum)
Northern sweetgrass (Hierochloe hirtassp. arctica)
Prairie Junegrass (Koeleria macrantha)
Spike fescue (Leucopoa kingii)
Colorado wildrye (Leymus ambiguus)
Basin wildrye (Leymus cinereus)
Perennial ryegrass (Lolium perenne)
Slimstem muhly (Muhlenbergia filiculmis)
Pullup muhly (Muhlenbergia filiformis)
Mountain muhly (Muhlenbergia montana)
Marsh muhly (Muhlenbergia racemosa)
Mat muhly (Muhlenbergia richardsonis)
Roughleaf ricegrass (Oryzopsis asperifolia)
Little ricegrass (Oryzopsis exigua)
Indian ricegrass (Oryzopsis hymenoides)
Western wheatgrass (Pascopyrum smithii)
Reed canarygrass (Phalaroides arundinacea)
Alpine timothy (Phleum commutatum)
Timothy (Phleum pratense)
Kentucky bluegrass (Poa agassizensis)
Alpine bluegrass (Poa alpina)
Annual bluegrass (Poa annua)
Bulbous bluegrass (Poa bulbosa)
Canada bluegrass (Poa compressa)
Skyline bluegrass (Poa cusickiivar. epilis)
Muttongrass (Poa fendleriana)
Timberline bluegrass (Poa glaucavar. rupicola)
Bog bluegrass (Poa leptocoma)
Letterman's bluegrass (Poa lettermanii)
Inland bluegrass (Poa nemoralisvar. interior)
Wheeler bluegrass (Poa nervosa)
Fowl bluegrass (Poa palustris)
Kentucky bluegrass (Poa pratensis)
Nodding bluegrass (Poa reflexa)
Russian wildrye (Psathyrostachys juncea)
Nuttall's alkaligrass (Puccinellia airoides)
False melic (Schizachne purpurascens)
Sand dropseed (Sporobolus cryptandrus)
Needleandthread (Stipa comata)
Letterman's needlegrass (Stipa lettermanii)
Nelson's needlegrass (Stipa nelsonii)
Richardson's needlegrass (Stipa richardsonii)
Sleepygrass (Stipa robusta)
Scribner's needlegrass (Stipa scribneri)
Green needlegrass (Stipa viridula)
Pale false mannagrass (Torreyochloa pauciflora)
Spike trisetum (Trisetum spicatum)
Wolf's trisetum (Trisetum wolfii)
Common wheat (Triticum aestivum)
Mountain hairgrass (Vahlodea atropurpureassp. latifolia)
Family Cyperaceae:
Prickly sedge (Carex angustior)
Water sedge (Carex aquatilisssp. stans)
Water sedge (Carex aquatilisvar. aquatilis)
Water sedge (Carex aquatilisvar. stans)
Arapaho sedge (Carex arapahoensis)
Slenderbeak sedge (Carex athrostachya)
Black sedge (Carex atrata)
Golden sedge (Carex aurea)
Bebb's sedge (Carex bebbii)
Showy sedge (Carex bella)
Twotipped sedge (Carex bipartita)
Ross' sedge (Carex brevipes)
Buxbaum's sedge (Carex buxbaumii)
Silvery sedge (Carex canescens)
Hairlike sedge (Carex capillaris)
Holm sedge (Carex chalciolepis)
Pyrenean sedge (Carex crandallii)
Lesser panicled sedge (Carex diandra)
Softleaf sedge (Carex disperma)
Douglas' sedge (Carex douglasii)
Ebony sedge (Carex ebenea)
Blackroot sedge (Carex elynoides)
Smallwing sedge (Carex festivella)
Dryspike sedge (Carex foenea)
Elk sedge (Carex geyeri)
Cloud sedge (Carex haydeniana)
Sheep sedge (Carex illota)
Inland sedge (Carex interior)
Woolly sedge (Carex lanuginosa)
Mud sedge (Carex limosa)
Thickhead sedge (Carex macloviana)
Boreal bog sedge (Carex magellanicassp. irrigua)
Boreal bog sedge (Carex magellanicavar. irrigua)
Curved sedge (Carex maritima)
Smallwing sedge (Carex microptera)
Shortleaved sedge (Carex misandra)
Nebraska sedge (Carex nebrascensis)
Nelson's sedge (Carex nelsonii)
Black alpine sedge (Carex nigricans)
Steven's sedge (Carex norvegicassp. stevenii)
Steven's sedge (Carex norvegicavar. stevenii)
Black sedge (Carex nova)
Western sedge (Carex occidentalis)
Chamisso sedge (Carex pachystachya)
Parry's sedge (Carex parryana)
Pennsylvania sedge (Carex pensylvanica)
Globe sedge (Carex perglobosa)
Dunhead sedge (Carex phaeocephala)
Early sedge (Carex praeceptorum)
Clustered field sedge (Carex praegracilis)
Meadow sedge (Carex praticola)
Ross' sedge (Carex rossii)
Drummond sedge (Carex rupestrisssp. drummondiana)
Drummond sedge (Carex rupestrisvar. drummondiana)
Russet sedge (Carex saxatilisssp. laxa)
Broom sedge (Carex scoparia)
Mountain sedge (Carex scopulorum)
Analogue sedge (Carex simulata)
Needleleaf sedge (Carex stenophyllassp. eleocharis)
Smallwing sedge (Carex stenoptila)
Northwest Territory sedge (Carex utriculata)
Native sedge (Carex vernacula)
Whitescale sedge (Carex xerantica)
Needle spikerush (Eleocharis acicularis)
Common spikerush (Eleocharis palustris)
Fewflower spikerush (Eleocharis quinqueflora)
Tall cottongrass (Eriophorum angustifoliumssp. scabriusculu)
Bellardi kobresia (Kobresia myosuroides)
Panicled bulrush (Scirpus microcarpus)
Cloaked bulrush (Scirpus pallidus)
Family Juncaceae:
Northern white rush (Juncus albescens)
Mountain rush (Juncus arcticusssp. ater)
Twoflowered rush (Juncus biglumis)
Toad rush (Juncus bufonius)
Chestnut rush (Juncus castaneus)
Colorado rush (Juncus confusus)
Drummond's rush (Juncus drummondii)
Dudley's rush (Juncus dudleyi)
Thread rush (Juncus filiformis)
Inland rush (Juncus interior)
Longstyle rush (Juncus longistylis)
Mertens' rush (Juncus mertensianus)
Nevada rush (Juncus nevadensis)
Jointed rush (Juncus nodosus)
Parry's rush (Juncus parryi)
Rocky Mountain rush (Juncus saximontanus)
Tracy's rush (Juncus tracyi)
Threehulled rush (Juncus triglumis)
Tweedy's rush (Juncus tweedyi)
Vasey's rush (Juncus vaseyi)
Field woodrush (Luzula campestris)
Smallflowered woodrush (Luzula parviflora)
Spiked woodrush (Luzula spicata)
Colorado woodrush (Luzula subcapitata)
Family Typhaceae:
Narrowleaf cattail (Typha angustifolia)
Family Sparganiaceae:
Narrowleaf burreed (Sparganium angustifolium)
Burreed (Sparganium minimum)
Family Agavaceae:
Small soapweed (Yucca glauca)
Family Liliaceae:
Shortstyle onion (Allium brevistylum)
Nodding onion (Allium cernuum)
Geyer's onion (Allium geyeri)
Mountain deathcamas (Anticlea elegans)
Garden asparagus (Asparagus officinalis)
Gunnison's Mariposa lily (Calochortus gunnisonii)
Roughfruit fairybells (Disporum trachycarpum)
Yellow avalanchelily (Erythronium grandiflorumssp. chrysandrum)
Yellow avalanchelily (Erythronium grandiflorumvar. chrysandrum)
Common alplily (Lloydia serotina)
Western Solomon's seal (Smilacina amplexicaulis)
Starry false Solomon's seal (Smilacina stellata)
Tubercle twistedstalk (Streptopus fassettii)
Family Iridaceae:
Rocky Mountain iris (Iris missouriensis)
Mountain blueeyed grass (Sisyrinchium montanum)
Pale blueeyed grass (Sisyrinchium pallidum)
Family Orchidaceae:
Fairyslipper orchid (Calypso bulbosa)
Longbract frog orchid (Coeloglossum viridessp. bracteatum)
Summer coralroot (Corallorrhiza maculata)
Hooded coralroot (Corallorrhiza striata)
Yellow coralroot (Corallorrhiza trifida)
Spring coralroot (Corallorrhiza wisteriana)
Lesser yellow lady's slipper (Cypripedium calceolusssp. parviflorum)
Lesser yellow lady's slipper (Cypripedium calceolusvar. parviflorum)
Clustered lady's slipper (Cypripedium fasciculatum)
Western rattlesnake plantain (Goodyera oblongifolia)
Broadlipped twayblade (Listera convallarioides)
Heartleaf twayblade (Listera cordatassp. nephrophylla)
Heartleaf twayblade (Listera cordatavar. nephrophylla)
Blunt bog orchid (Lysiella obtusata)
Hooded ladiestresses (Spiranthes romanzoffiana)
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Rocky Mountain National Park