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Denver-Boulder Metropolitan Area
Authors: Denver Botanic Gardens

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Families: 156
Genera: 897
Species: 2937
Total Taxa (details): 3259

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Oenothera villosa - Hairy Evening-Primrose
Oenothera villosa subsp. strigosa - hairy evening-primrose
Oenothera villosa subsp. villosa - Hairy Evening Primrose
Onoclea sensibilis - Sensitive Fern
Botrychium echo - Reflected Moonwort
Botrychium hesperium - Western Moonwort
Botrychium lanceolatum - Lance-Leaf Moonwort
Botrychium lineare - Narrow-Leaf Moonwort
Botrychium lunaria - Dainty Moonwort
Botrychium matricariifolium - Daisy-Leaf Moonwort
Botrychium minganense - Mingan Moonwort
Botrychium pallidum - Pale Moonwort
Botrychium pinnatum - Northeastern Moonwort
Botrychium simplex - Least Moonwort
Botrypus virginianus - Rattlesnake Fern
Calypso bulbosa - Fairy-Slipper Orchid
Coeloglossum viride - Long-Bract Frog Orchid
Coeloglossum viride var. virescens - Long-Bract Frog Orchid
Corallorhiza maculata - Summer Coralroot
Corallorhiza striata - Hooded Coralroot
Corallorhiza trifida - Yellow Coralroot
Corallorhiza wisteriana - Spring Coralroot
Cypripedium fasciculatum - Clustered Lady's-Slipper
Cypripedium parviflorum - Yellow Lady's-Slipper
Cypripedium parviflorum var. parviflorum - Lesser Yellow Lady's-Slipper
Dactylorhiza viridis - Long-Bract Frog Orchid
Epidendrum boricuarum - Umbrella Star Orchid
Goodyera oblongifolia - Green-Leaf Rattlesnake-Plantain
Goodyera repens - Dwarf Rattlesnake-Plantain
Listera borealis - Northern Twayblade
Listera convallarioides - Broad-Lip Twayblade
Listera cordata - Heart-Leaf Twayblade
Malaxis monophyllos - White Adder's-Mouth Orchid
Piperia unalascensis - Alaska Rein Orchid
Platanthera clavellata - Green Woodland Orchid
Platanthera huronensis - Lake Huron Green Orchid
Platanthera hyperborea - Northern Green Orchid
Platanthera obtusata - Blunt-Leaf Orchid
Platanthera purpurascens - Purple-Petal Bog Orchid
Platanthera sparsiflora - Canyon Bog Orchid
Platanthera stricta - Slender Bog Orchid
Spiranthes diluvialis - Diluvim Ladies'-Tresses
Spiranthes romanzoffiana - Hooded Ladies'-Tresses
Agalinis tenuifolia - Slender-Leaf False Foxglove
Agalinis tenuifolia var. parviflora - Slender-Leaf False Foxglove
Castilleja angustifolia - Northwestern Indian-Paintbrush
Castilleja flava - Lemon-Yellow Indian-Paintbrush
Castilleja haydenii - Hayden's Alpine Indian-Paintbrush
Castilleja integra - wholeleaf Indian paintbrush
Castilleja integra var. integra - wholeleaf Indian paintbrush
Castilleja linariifolia - Wyoming Indian-Paintbrush
Castilleja miniata - Great Red Indian-Paintbrush
Castilleja miniata var. miniata - giant red Indian paintbrush
Castilleja occidentalis - Pale-Yellow Indian-Paintbrush
Castilleja pallida - Port Clarence Indian-Paintbrush
Castilleja puberula - Short-Flower Indian-Paintbrush
Castilleja rhexifolia - Rosy Indian-Paintbrush
Castilleja rhexiifolia - Rosy Indian-Paintbrush
Castilleja septentrionalis - Labrador Indian-Paintbrush
Castilleja sessiliflora - Great Plains Indian-Paintbrush
Castilleja sulphurea - Sulphur Indian-Paintbrush
Orobanche fasciculata - Clustered Broomrape
Orobanche ludoviciana - Louisiana Broomrape
Orobanche uniflora - Naked Broomrape
Orthocarpus luteus - Golden-Tongue Owl-Clover
Pedicularis bracteosa - Towering Lousewort
Pedicularis canadensis - Canadian Lousewort
Pedicularis crenulata - Purple-Flower Lousewort
Pedicularis fluviatilis - Marsh Lousewort
Pedicularis groenlandica - Bull Elephant's-Head
Pedicularis parryi - Parry's Lousewort
Pedicularis procera - Giant Lousewort
Pedicularis racemosa - Parrot's-Beak
Pedicularis sudetica subsp. scopulorum - Rocky Mountain Lousewort
Rhinanthus minor - Little Yellow-Rattle
Rhinanthus minor subsp. minor - little yellowrattle
Osmunda regalis - Royal Fern
Oxalis caerulea - Blue Wood-Sorrel
Oxalis corniculata - Creeping Yellow Wood-Sorrel
Oxalis dillenii - Slender Yellow Wood-Sorrel
Oxalis stricta - Upright Yellow Wood-Sorrel
Argemone gracilenta - Sonoran Prickly-Poppy
Argemone hispida - Rough Prickly-Poppy
Argemone pleiacantha - Southwestern Prickly-Poppy
Argemone pleiacantha subsp. ambigua - southwestern pricklypoppy
Argemone polyanthemos - White Prickly-Poppy
Chelidonium majus - Greater Celandine
Corydalis aurea - Scrambled-Eggs
Corydalis curvisiliqua - Curve-Pod Fumewort
Eschscholzia californica - California-Poppy
Glaucium corniculatum - Black-Spot Horn-Poppy
Glaucium flavum - Yellow Horn-Poppy
Papaver argemone - Long Prickly-Head Poppy
Papaver lapponicum - Lapland Poppy
Papaver nudicaule - Icelandic Poppy
Papaver orientale - Oriental Poppy
Papaver radicatum - Arctic Poppy
Papaver rhoeas - Corn Poppy
Paulownia tomentosa - Princesstree
Erythranthe floribunda - manyflowered monkeyflower
Erythranthe gemmipara - Rocky Mountain Monkey-Flower
Erythranthe geyeri - James' monkeyflower
Erythranthe glabrata - roundleaf monkeyflower
Erythranthe guttata - Seep Monkeyflower
Erythranthe tilingii - Tiling's monkeyflower
Mimulus ringens - Allegheny Monkey-Flower
Abies bifolia - Rocky Mountain Alpine Fir
Abies concolor - White Fir
Abies lasiocarpa - Subalpine Fir
Picea abies - Norway Spruce
Picea engelmannii - Engelmann's Spruce
Picea glauca - White Spruce
Picea pungens - Blue Spruce
Pinus aristata - Bristle-Cone Pine
Pinus contorta - Lodgepole Pine
Pinus edulis - Two-Needle Pinyon
Pinus flexilis - Limber Pine
Pinus nigra - Austrian Pine
Pinus ponderosa - Ponderosa Pine
Pinus sylvestris - Scotch Pine
Pseudotsuga menziesii var. glauca - Rocky Mountain Douglas-fir
Antirrhinum majus - Garden Snapdragon
Bacopa rotundifolia - Disk Water-Hyssop
Besseya plantaginea - White River coraldrops
Callitriche hermaphroditica - Autumn Water-Starwort
Callitriche heterophylla - Greater Water-Starwort
Callitriche palustris - Vernal Water-Starwort
Chionophila jamesii - Rocky Mountain Snowlover
Collinsia parviflora - Small-Flower Blue-Eyed Mary
Cymbalaria muralis - Kenilworth Ivy
Digitalis purpurea - Purple Foxglove
Gratiola neglecta - Clammy Hedge-Hyssop
Gratiola virginiana - Round-Fruit Hedge-Hyssop
Hippuris vulgaris - Common Mare's-Tail
Linaria dalmatica - Dalmatian Toadflax
Linaria genistifolia - Broom-Leaf Toadflax
Linaria vulgaris - Greater Butter-and-Eggs
Nuttallanthus canadensis - Oldfield-Toadflax
Nuttallanthus texanus - Texas-Toadflax
Penstemon acuminatus - St. Joseph's-Wand
Penstemon albidus - Red-Line Beardtongue
Penstemon angustifolius - Broad-Beard Beardtongue
Penstemon auriberbis - Colorado Beardtongue
Penstemon barbatus - Beard-Lip Beardtongue
Penstemon caespitosus - Tufted Beardtongue
Penstemon cobaea - Cobaea Beardtongue
Penstemon confertus - Lesser Yellow Beardtongue
Penstemon crandallii - Crandall's Beardtongue
Penstemon eatonii - Eaton's Firecracker
Penstemon glaber - Western Smooth Beardtongue
Penstemon gracilis - Lilac Beardtongue
Penstemon griffinii - Griffin's Beardtongue
Penstemon hallii - Hall's Beardtongue
Penstemon harbourii - Harbour's Beardtongue
Penstemon humilis - Low Beardtongue
Penstemon linarioides - Toadflax Beardtongue
Penstemon nitidus - Waxy-Leaf Beardtongue
Penstemon osterhoutii - Osterhout's Beardtongue
Penstemon procerus - Pincushion Beardtongue
Penstemon pseudoparvus - Mt. Washington Beardtongue
Penstemon rydbergii - Meadow Beardtongue
Penstemon saxosorum - Upland Beardtongue
Penstemon scariosus - White River Beardtongue
Penstemon secundiflorus - Sidebells Beardtongue
Penstemon strictus - Rocky Mountain Beardtongue
Penstemon teucrioides - Germander Beardtongue
Penstemon unilateralis - Tall One-Sided Beardtongue
Penstemon versicolor - Variable-Color Beardtongue
Penstemon virens - Front Range Beardtongue
Penstemon virgatus - Upright Blue Beardtongue
Penstemon whippleanus - Whipple's penstemon
Plantago elongata - Prairie Plantain
Plantago eriopoda - Red-Woolly Plantain
Plantago lanceolata - English Plantain
Plantago major - Great Plantain
Plantago patagonica - Woolly Plantain
Veronica alpina - Alpine Speedwell
Veronica americana - American-Brooklime
Veronica anagallis-aquatica - Blue Water Speedwell
Veronica arvensis - Corn Speedwell
Veronica beccabunga - European Speedwell
Veronica biloba - Two-Lobe Speedwell
Veronica catenata - Water Speedwell
Veronica grandiflora - Aleutian Speedwell
Veronica peregrina subsp. xalapensis - hairy purslane speedwell
Veronica persica - Bird-Eye Speedwell
Veronica polita - Gray Field Speedwell
Veronica serpyllifolia - Thyme-Leaf Speedwell
Veronica wormskjoldii - American Alpine Speedwell
Platanus occidentalis - American Sycamore
Armeria maritima - Sea Thrift
Achnatherum lemmonii - Lemmon's Rice Grass
Achnatherum lettermanii - Letterman's Rice Grass
Achnatherum nelsonii - Nelson's Rice Grass
Achnatherum robustum - Sleepy Rice Grass
Achnatherum scribneri - Scribner's Rice Grass
Aegilops cylindrica - Jointed Goat Grass
Agropyron cristatum - Crested Wheat Grass
Agropyron fragile - Siberian Wheat Grass
Agropyron pectiniforme - crested wheatgrass
Agrostis canina - Velvet Bent
Agrostis exarata - Spiked Bent
Agrostis gigantea - Black Bent
Agrostis humilis - Alpine False Bent
Agrostis hyemalis - Winter Bent
Agrostis idahoensis - Clubbed Bent
Agrostis mertensii - Northern Bent
Agrostis perennans - Upland Bent
Agrostis scabra - Thermal Bent
Agrostis stolonifera - Spreading Bent
Alopecurus aequalis - Short-Awn Meadow-Foxtail
Alopecurus aequalis var. aequalis - Short-Awn Meadow-Foxtail
Alopecurus arundinaceus - Creeping Meadow-Foxtail
Alopecurus borealis - Vulpin Boréale
Alopecurus carolinianus - Tufted Meadow-Foxtail
Alopecurus geniculatus - Marsh Meadow-Foxtail
Alopecurus magellanicus - Alpine Meadow-Foxtail
Alopecurus pratensis - Field Meadow-Foxtail
Andropogon gerardi - Big Bluestem
Andropogon hallii - Sand Bluestem
Anthoxanthum hirtum - Northern Sweet Vernal Grass
Apera interrupta - Dense Silky-Bent
Aristida adscensionis - Six-Weeks Three-Awn
Aristida basiramea - Forked Three-Awn
Aristida divaricata - Poverty Three-Awn
Aristida oligantha - Prairie Three-Awn
Aristida purpurascens - Arrow-Feather Three-Awn
Aristida purpurea - Purple Three-Awn
Arrhenatherum elatius - Tall Oat Grass
Arundo donax - Giant-Reed
Avena fatua - Wild Oat
Avenula hookeri - Hooker's Alpine Oat Grass
Beckmannia syzigachne - American Slough Grass
Bothriochloa bladhii - Australian Beard Grass
Bothriochloa ischaemum - Turkestan Beard Grass
Bothriochloa laguroides - Silver Beard Grass
Bouteloua curtipendula - Side-Oats Grama
Bouteloua dactyloides - Buffalo Grass
Bouteloua hirsuta - Hairy Grama
Bouteloua simplex - Matted Grama
Brachypodium distachyon - Purple False Brome
Briza media - Perennial Quaking Grass
Bromus anomalus - Nodding Brome
Bromus briziformis - Rattlesnake Brome
Bromus carinatus - California Brome
Bromus catharticus - Rescue Grass
Bromus ciliatus - Fringed Brome
Bromus commutatus - Meadow Brome
Bromus frondosus - Weeping Brome
Bromus hordeaceus - Soft Brome
Bromus inermis - Smooth Brome
Bromus japonicus - Japanese Brome
Bromus lanatipes - Woolly Brome
Bromus marginatus - mountain brome
Bromus polyanthus - Great Basin Brome
Bromus porteri - Porter's Brome
Bromus pubescens - Hairy Woodland Brome
Bromus pumpellianus - Arctic Brome
Bromus racemosus - Bald Brome
Bromus squarrosus - Corn Brome
Bromus sterilis - Poverty Brome
Bromus tectorum - Cheat Grass
Calamagrostis inexpansa - Maui Reed Grass
Calamagrostis montanensis - Plains Reed Grass
Calamagrostis purpurascens - Purple Reed Grass
Calamagrostis scopulorum - Ditch Reed Grass
Calamagrostis stricta - Slim-Stem Reed Grass
Calamovilfa longifolia - Prairie Sandreed
Catabrosa aquatica - Water Whorl Grass
Cenchrus longispinus - Innocent-Weed
Cenchrus spinifex - Coastal Sandburr
Chloris cucullata - Hooded Windmill Grass
Chloris verticillata - Tumble Windmill Grass
Chloris virgata - Feather Windmill Grass
Cinna latifolia - Slender Wood-Reed
Crypsis alopecuroides - Foxtail Pricklegrass
Cynodon dactylon - Bermuda Grass
Dactylis glomerata - Orchard Grass
Danthonia californica - California Wild Oat Grass
Danthonia intermedia - Timber Wild Oat Grass
Danthonia parryi - Parry's Wild Oat Grass
Danthonia spicata - Poverty Wild Oat Grass
Deschampsia cespitosa - Tufted Hair Grass
Dichanthelium acuminatum - Tapered Witch Grass
Dichanthelium depauperatum - Starved Witch Grass
Dichanthelium linearifolium - Slim-Leaf Witch Grass
Dichanthelium oligosanthes - Heller's Witch Grass
Dichanthelium wilcoxianum - Fall Witch Grass
Digitaria ischaemum - Smooth Crab Grass
Digitaria pauciflora - Two-Spike Crab Grass
Digitaria sanguinalis - Hairy Crab Grass
Diplachne fusca - Bearded Beetle Grass
Disakisperma dubium - Green-Sprangletop
Distichlis spicata - Coastal Salt Grass
Echinochloa crus-galli - Large Barnyard Grass
Echinochloa frumentacea - Japanese-Millet
Echinochloa muricata - Rough Barnyard Grass
Eleusine indica - Indian Goose Grass
Elymus albicans - Montana Wild Rye
Elymus arizonicus - Arizona Wild Rye
Elymus bakeri - Baker's Wild Rye
Elymus canadensis - Nodding Wild Rye
Elymus elongatus - tall wheatgrass
Elymus elymoides - Western Bottle-Brush Grass
Elymus glaucus - Blue Wild Rye
Elymus hystrix - Eastern Bottle-Brush Grass
Elymus lanceolatus - Streamside Wild Rye
Elymus repens - Creeping Wild Rye
Elymus scribneri - Scribner's Wild Rye
Elymus sibiricus - Siberian Wild Rye
Elymus trachycaulus - Slender Wild Rye
Elymus violaceus - High Elymus
Elymus virginicus - Virginia Wild Rye
Elymus x pseudorepens - false quackgrass
Enneapogon desvauxii - Nine-Awn Grass
Eragrostis barrelieri - Mediterranean Love Grass
Eragrostis curvula - Weeping Love Grass
Eragrostis hypnoides - Teal Love Grass
Eragrostis lutescens - Six-Weeks Love Grass
Eragrostis minor - Little Love Grass
Eragrostis pectinacea - Purple Love Grass
Eragrostis pilosa - Indian Love Grass
Eragrostis spectabilis - Petticoat-Climber
Eragrostis trichodes - Sand Love Grass
Eremopyrum triticeum - Annual False Wheat Grass
Eriocoma hymenoides - Indian Rice Grass
Festuca arizonica - Arizona Fescue
Festuca baffinensis - Baffin Fescue
Festuca brachyphylla - Short-Leaf Fescue
Festuca earlei - Hairy-Ovary Fescue
Festuca idahoensis - Bluebunch Fescue
Festuca minutiflora - Small-Flower Fescue
Festuca ovina - Sheep Fescue
Festuca rubra - Red Fescue
Festuca rubra subsp. arenaria - Fetuque Rouge des Sables
Festuca rubra subsp. vallicola - Mountain Red Fescue
Festuca saximontana - Rocky Mountain Fescue
Festuca thurberi - Thurber's Fescue
Glyceria borealis - Small Floating Manna Grass
Glyceria elata - Tall Manna Grass
Glyceria grandis - American Manna Grass
Glyceria grandis var. grandis - American Manna Grass
Glyceria striata - Fowl Manna Grass
Helictotrichon mortonianum - Morton's False Alpine Oat Grass
Hesperostipa comata - Needle-and-Thread
Hesperostipa comata subsp. intermedia - intermediate needle and thread
Hesperostipa neomexicana - New Mexico Needle Grass
Hesperostipa spartea - Porcupine Grass
Hierochloe odorata - Holy Sweet Vernal Grass
Holcus lanatus - Common Velvet Grass
Hopia obtusa - Vine-Mesquite
Hordeum jubatum - Fox-Tail Barley
Hordeum murinum - Wall Barley
Hordeum pusillum - Little Barley
Hordeum secalinum - Meadow Barley
Hordeum vulgare - Common Barley
Koeleria macrantha - Prairie Koeler's Grass
Koeleria pyramidata - prairie Junegrass
Leersia oryzoides - Rice Cut Grass
Leucopoa kingii - Spiked False Fescue
Leymus ambiguus - Rocky Mountain Lyme Grass
Leymus cinereus - Great Basin Lyme Grass
Leymus condensatus - Giant Lyme Grass
Leymus mollis - American Lyme Grass
Leymus triticoides - Beardless Lyme Grass
Lolium arundinaceum - Tall Rye Grass
Lolium perenne - Perennial Rye Grass
Lolium pratense - Meadow Rye Grass
Lycurus setosus - Bristly Wolf's-Tail
Melica ciliata - Silky Melic Grass
Melica nitens - Three-Flower Melic Grass
Melica porteri - Porter's Melic Grass
Melica spectabilis - Showy Melic Grass
Miscanthus sinensis - Chinese Silver Grass
Muhlenbergia andina - Fox-Tail Muhly
Muhlenbergia cuspidata - Stony-Hills Muhly
Muhlenbergia filiculmis - Slim-Stem Muhly
Muhlenbergia montana - Mountain Muhly
Muhlenbergia thurberi - Thurber's Muhly
Muhlenbergia torreyi - Ringed Muhly
Muhlenbergia wrightii - Wright's Muhly
Munroa squarrosa - False Buffalo Grass
Nassella viridula - Green Tussock Grass
Oryzopsis asperifolia - White-Grain Mountain-Rice Grass
Panicum capillare - Common Panic Grass
Panicum dichotomiflorum - Autumn Panic Grass
Panicum miliaceum - Hog Millet
Panicum virgatum - Wand Panic Grass
Pascopyrum smithii - Western-Wheat Grass
Paspalum pubiflorum - Hairy-Seed Crown Grass
Paspalum setaceum - Slender Crown Grass
Pennisetum glaucum - Pearl Millet
Phalaris arundinacea - Reed Canary Grass
Phalaris canariensis - Common Canary Grass
Phippsia algida - Ice Grass
Phleum alpinum - Mountain Timothy
Phleum pratense - Common Timothy
Piptatheropsis exigua - Little Mountain-Rice Grass
Piptatheropsis micrantha - Little-Seed Mountain-Rice Grass
Piptatheropsis pungens - Short-Awn Mountain-Rice Grass
Poa abbreviata - Northern Blue Grass
Poa abbreviata subsp. pattersonii - Patterson's Bluegrass
Poa alpina - Alpine Blue Grass
Poa annua - Annual Blue Grass
Poa arctica - Arctic Blue Grass
Poa arida - Prairie Blue Grass
Poa bulbosa - Bulbous Blue Grass
Poa compressa - Flat-Stem Blue Grass
Poa confinis - Coastline Blue Grass
Poa cusickii - Cusick's Blue Grass