Southwest Colorado Wildflowers Genus Name Search p. 3

*Medicago lupulina*	Black Medic	Fabaceae	Pea	Yellow	Foothills, montane	Disturbed areas, road and trailsides, lawns	Spring, summer
*Medicago sativa*	Alfalfa	Fabaceae	Pea	Blue	Foothills, montane	Fields, openings	Spring, summer, fall
Melilotus alba	White Sweet Clover	Fabaceae	Pea	White	Semi-desert, foothills, montane	Disturbed areas, meadows	Spring, summer
*Melilotus officinalis*	Yellow Sweet Clover	Fabaceae	Pea	Yellow	Semi-desert, foothills, montane	Disturbed areas, meadows	Spring, summer
*Mentha arvensis*	Mint	Lamiaceae	Mint	Blue	Montane	Wetlands	Summer
*Mentzelia albicaulis*	Mentzelia	Loasaceae	Loasa	Yellow	Desert, semi-desert	Shrublands, openings	Spring
*Mentzelia pterosperma*	Mentzelia	Loasaceae	Loasa	Yellow	Desert, semi-desert	Shrublands, openings	Spring
*Menyanthes trifoliata*	Buckbean	Menyanthaceae	Buckbean	White	Montane, subalpine	Ponds	Summer
*Mertensia brevistyla*	Bluebells	Boraginaceae	Forget-Me- Not	Blue	Foothills, montane	Woodlands, meadows, openings	Spring, summer
*Mertensia ciliata* var. ciliata	Bluebells	Boraginaceae	Forget-Me- Not	Blue	Montane, subalpine	Streamsides	Summer
*Mertensia franciscana*	Bluebells	Boraginaceae	Forget-Me- Not	Blue	Montane, subalpine	Streamsides	Summer
*Mertensia lanceolata*	Bluebells	Boraginaceae	Forget-Me- Not	Blue	Foothills to alpine	Woodlands, meadows, openings	Spring, summer
Mesynium aristatum	Yellow Flax	Linaceae	Flax	Yellow	Semi-desert	Shrublands, openings	Spring, summer
Mesynium puberulum	Yellow Flax	Linaceae	Flax	Yellow	Semi-desert, foothills	Openings, meadows	Spring
Micranthes odontoloma	Brook Saxifrage	Saxifragaceae	Saxifrage	White	Subalpine	Streamsides	Summer
*Micranthes oregana*	Snowball Saxifrage	Saxifragaceae	Saxifrage	White	Montane, subalpine, alpine	Marshy areas, tundra	Summer
*Micranthes rhomboidea*	Snowball Saxifrage	Saxifragaceae	Saxifrage	White	Montane, subalpine, alpine	Tundra, rocks, openings	Summer
*Microsteris gracilis*		Polemoniaceae	Phlox	White	Foothills	Openings, shrublands, woodlands	Spring
*Mimulus eastwoodiae*	Monkeyflower	Scrophulariaceae	Snapdragon	Red
*Mimulus guttatus*	Monkeyflower	Scrophulariaceae	Snapdragon	Yellow	Montane, subalpine	Streamsides	Summer
*Mimulus suksdorfii*	Monkeyflower	Scrophulariaceae	Snapdragon	Yellow	Semi-desert	Sand, openings	Spring
Mimulus tilingii var. tilingii	Monkeyflower	Scrophulariaceae	Snapdragon	Yellow	Subalpine	Streamsides	Summer
Minuartia macrantha	Chickweed	Caryophyllaceae	Pink	White	Alpine	Tundra	Summer
*Minuartia obtusiloba*	Alpine Sandwort	Caryophyllaceae	Pink	White	Alpine	Tundra	Summer
*Minuartia rubella*	Red Sandwort	Caryophyllaceae	Pink	White	Subalpine, alpine	Scree, tundra	Summer
**Mirabilis glandulosa**	Four O'Clocks	Nyctaginaceae	Four O'Clock	Pink	Semi-desert	Canyons	Spring, summer
Mirabilis multiflora var. glandulosa	Four O'Clocks	Nyctaginaceae	Four O'Clock	Pink	Semi-desert	Canyons	Spring, summer
Mirabilis multiflora var. multiflora	Four O'Clocks	Nyctaginaceae	Four O'Clock	Pink	Semi-desert, foothills	Roadsides, open canyons	Spring, summer, fall
*Mirabilis oxybaphoides*	Four O'Clocks	Nyctaginaceae	Four O'Clock	Pink	Semi-desert, foothills	Woodlands, roadsides, openings	Summer, fall
Mitella pentandra	Mitrewort	Saxifragaceae	Saxifrage	Green	Montane, subalpine	Woodlands, wetlands	Summer
*Mitella stauropetala*	Mitrewort	Saxifragaceae	Saxifrage	White	Montane, subalpine	Woodlands, streamsides, wetlands	Summer
*Moehringia macrophylla*		Caryophyllaceae	Pink	White	Montane, subalpine	Moist, open woodlands	Summer
*Monardella odoratissima*		Lamiaceae	Mint	Pink	Foothills, montane, subalpine	Open rocky areas	Summer, fall
*Monolepis nuttalliana*		Chenopodiaceae	Goosefoot	Red	Semi-desert	Shrublands, openings	Spring
*Moneses uniflora*	Single Delight	Pyrolaceae	Wintergreen	White	Montane, subalpine	Woodlands	Summer
*Nama retrorsum*		Hydrophyllaceae	Waterleaf	Pink	Semi-desert	Open sands	Spring
*Nasturtium officinale*	Water Cress	Brassicaceae	Mustard	White	Semi-desert, foothills, montane	Springs, streams	Summer
*Navarretia brewerii*		Polemoniaceae	Phlox	Yellow	Foothills, montane	Openings, woodlands	Summer
Navarretia sinistra ssp. sinistra	Alva Day's Gilia	Polemoniaceae	Phlox	White	Semi-desert, foothills	Openings	Spring
Negundo aceroides	Box Elder	Aceraceae	Maple	Tree	Semi-desert, foothills, montane	Washes, streamsides	Spring
*Neokochia americana*		Chenopodiaceae	Goosefoot	Brown/Green	Semi-desert	Shrublands, openings	Spring
*Neottia cordata*	Heartleaf Twayblade	Orchidaceae	Orchid	Green	Subalpine	Wetlands, streamsides	Summer
*Nepeta cataria*	Catnip	Lamiaceae	Mint	White	Foothills	Disturbed areas	Spring, summer
*Nicotiana attenuata*	Coyote Tobacco	Solanaceae	Nightshade	White	Semi-desert, foothills	Openings, woodlands	Summer, fall
Noccaea fendleri ssp. glauca	Wild Candytuft	Brassicaceae	Mustard	White	Semi-desert foothills, montane, subalpine	Woodlands, openings, meadows	Spring, summer
Noccaea montana	Wild Candytuft	Brassicaceae	Mustard	White	Semi-desert foothills, montane, subalpine	Woodlands, openings, meadows	Spring, summer
Nuttallia pterosperma	Mentzelia	Loasaceae	Loasa	Yellow	Desert, semi-desert	Shrublands, openings	Spring
*Oenothera albicaulis*	Evening Primrose	Onagraceae	Evening Primrose	White	Semi-desert, foothills	Sandy openings	Spring
*Oenothera caespitosa*	Evening Primrose	Onagraceae	Evening Primrose	White	Semi-desert, foothills, montane	Disturbed areas, openings	Spring
Oenothera elata ssp. hirsutissima	Hooker's Evening Primrose	Onagraceae	Evening Primrose	Yellow	Foothills, montane	Wet meadows and roadsides	Summer
Oenothera flava ssp. flava	Evening Primrose	Onagraceae	Evening Primrose	Yellow	Foothills, montane	Openings, meadows	Spring, summer
*Oenothera coronopifolia*	Evening Primrose	Onagraceae	Evening Primrose	White	Foothills, montane	Woodlands, openings	Spring, summer
Oenothera lavandulifolia	Evening Primrose	Onagraceae	Evening Primrose	Yellow	Semi-desert	Shrublands, openings	Spring, summer
*Oenothera longissima*	Bridges Evening Primrose	Onagraceae	Evening Primrose	Yellow	Semi-desert	Washes, streams	Summer, fall
*Oenothera pallida*	Evening Primrose	Onagraceae	Evening Primrose	White	Semi-desert	Shrublands, openings	Spring, summer
Oligosporus dracunculus	Wild Tarragon	Asteraceae	Sunflower	Yellow	Foothills, montane	Rocky openings, roadsides	Summer
*Onobrychis vicifolia*	Sain Foin	Fabaceae	Pea	Pink	Foothills, montane	Roadsides	Summer, fall
*Opuntia fragilis*	Potato Cactus	Cactaceae	Cactus	Yellow	Semi-desert, foothills	Sandy and rocky openings	Summer
*Opuntia phaeacantha*	Prickly Pear Cactus	Cactaceae	Cactus	Yellow	Semi-desert, foothills	Openings	Spring, summer
*Opuntia polyacantha*	Prickly Pear Cactus	Cactaceae	Cactus	Yellow, red	Semi-desert, foothills	Openings	Spring, summer
Oreobroma nevadensis	Bitterroot, Lewesia	Portulacaceae	Portulaca	White, pink	Montane	Meadows, open woods	Spring, summer
Oreobroma pygmaea	Bitterroot, Lewesia	Portulacaceae	Portulaca	Pink	Montane, subalpine, alpine	Woodlands, openings, meadows, tundra	Spring, summer
Oreocarya flava	Cryptantha	Boraginaceae	Forget-Me-Not	Yellow	Semi-desert, foothills	Openings	Spring
Oreocarya flavoculata	Cryptantha	Boraginaceae	Forget-Me-Not	White	Semi-desert, foothills	Openings	Spring
Oreocarya fulvocanescens	Cryptantha	Boraginaceae	Forget-Me-Not	White/Yellow	Semi-desert	Openings	Spring
Oreocarya revealii	Cryptantha	Boraginaceae	Forget-Me-Not	White	Semi-desert	Openings	Spring
*Oreocarya humilis*	Cryptantha	Boraginaceae	Forget-Me-Not	White	Semi-desert	Openings	Spring
*Oreocarya paradoxa*	Cryptantha	Boraginaceae	Forget-Me-Not	White	Semi-desert	Openings	Spring
*Oreocarya tenuis*	Cryptantha	Boraginaceae	Forget-Me-Not	White	Semi-desert	Openings	Spring
*Oreochrysum parryi*		Asteraceae	Sunflower	Yellow	Subalpine	Woodlands	Summer
Oreoxis alpina ssp. alpina	Alpine Parsley	Apiaceae	Parsley	Yellow	Alpine	Montane to tundra	Summer
*Oreoxis bakeri*	Alpine Parsley	Apiaceae	Parsley	Yellow	Alpine	Sub-alpine to tundra	Summer
*Orobanche cooperi*	Broomrape	Orobanchaceae	Broomrape	Purple	Semi-desert	Woodlands, openings	Spring, summer
*Orobanche fasciculata*	Broomrape	Orobanchaceae	Broomrape	Red	Foothills, montane	Openings, shrublands, woodlands	Summer
*Orobanche uniflorum*	Broomrape	Orobanchaceae	Broomrape	Red	Semi-desert, foothills, montane	Openings, shrublands, woodlands	Summer
*Orogenia linearifolia*	Turkeypea, Indian Potato	Apiaceae	Parsley	White	Foothills, montane	Meadows	Spring
*Orthilia secunda*	One-sided Wintergreen	Pyrolaceae	Wintergreen	White	Montane, subalpine	Woodlands	Summer
*Orthocarpus luteus*	Owl-clover	Scrophulariaceae	Snapdragon	Yellow	Foothills, montane	Woodlands	Summer
*Orthocarpus purpureoalbus*	Owl-clover	Scrophulariaceae	Snapdragon	Purple/white	Foothills, montane	Woodlands	Summer
*Osmorhiza berteroi*	Sweet Cicely	Apiaceae	Parsley	White	Montane, subalpine	Woodlands	Spring, summer
Osmorhiza chilensis	Sweet Cicely	Apiaceae	Parsley	White	Montane, subalpine	Woodlands	Spring, summer
*Osmorhiza depauperata*	Sweet Cicely	Apiaceae	Parsley	White	Montane, subalpine	Woodlands	Spring, summer
*Osmorhiza occidentalis*	Western Sweet Cicely	Apiaceae	Parsley	Yellow	Montane, subalpine	Woodland, meadows	Spring, summer
Ostrya knowltonii var. knowltonii	Western Hophornbeam	Betulaceae	Birch Family	Tree	Semi-desert	Canyons	Spring
*Oxalis dillenii*	Wood Sorrel	Oxalidaceae	Wood Sorrel	Yellow	Montane	Openings	Summer
*Oxalis violacea*	Wood Sorrel	Oxalidaceae	Wood Sorrel	Blue	Montane	Openings	Summer
*Oxybaphus linearis*	Umbrellawort	Nyctaginaceae	Four O'Clock	Pink	Semi-desert, foothills	Woodlands, openings, roadsides	Summer, fall
*Oxypolis fendleri*	Cowbane	Apiaceae	Parsley	White	Montane, subalpine	Streamsides	Spring, summer
*Oxyria digyna*	Mountain Sorrel	Polygonaceae	Buckwheat	Red	Subalpine, alpine	Tundra, scree	Summer
Oxytropis deflexa variety foliolosa		Fabaceae	Pea	Blue	Alpine	Tundra	Summer
Oxytropis deflexa variety sericea		Fabaceae	Pea	Blue	Montane, subalpine	Meadows	Summer
Oxytropis lambertii var. bigelovii		Fabaceae	Pea	Pink	Semi-desert, foothills, montane	Openings, grasslands, shrublands, woodlands	Spring, summer
*Oxytropis parryi*		Fabaceae	Pea	Blue	Sub-alpine, alpine	Rocky knolls, tundra	Summer

GENUS AND SPECIES	COMMON NAME	SCIENTIFIC FAMILY NAME	COMMON FAMILY NAME	TYPE OF PLANT	VEGETATION ZONE	HABITAT	SEASON OF BLOOM
*P ackera crocata*		Asteraceae	Sunflower	Orange	Montane, subalpine	Woodlands, openings	Summer
*Packera dimorphophylla*		Asteraceae	Sunflower	Yellow	Subalpine, alpine	Meadows, rocks, tundra	Summer
*Packera mancosana*	Mancos Shale Packera	Asteraceae	Sunflower	Yellow	Montane	Openings	Summer
*Packera multilobata*		Asteraceae	Sunflower	Yellow	Semi-desert foothills	Woodlands, openings	Spring, summer
Packera neomexicana var. mutabilis		Asteraceae	Sunflower	Yellow	Foothills, montane, subalpine	Woodlands, openings	Summer
Packera oodes		Asteraceae	Sunflower	Yellow	Foothills, montane	Woodlands, openings	Summer
*Packera pseudaurea*		Asteraceae	Sunflower	Yellow	Montane	Wetlands	Summer
*Packera streptanthifolia*		Asteraceae	Sunflower	Yellow	Foothills, montane	Woodlands, openings	Summer
*Packera werneriifolia*		Asteraceae	Sunflower	Yellow	Subalpine, alpine	Meadows, tundra, scree	Summer
Padus virginiana	Chokecherry	Rosaceae	Rose	White	Foothills, montane	Shrublands, woodlands	Spring
Parnassia fimbriata var. fimbriata	Grass of Parnassus	Liliaceae	Lily	White	Subalpine	Streamsides, wetlands	Summer
*Parnassia parviflora*	Grass of Parnassus	Liliaceae	Lily	White	Montane, subalpine	Streamsides, wetlands	Summer
*Paxistima myrsinites*	Mountain Lover	Celastraceae	Staff-tree	Red	Foothills, montane, subalpine	Woodlands	Spring
*Pectiantia pentandra*	Mitrewort	Saxifragaceae	Saxifrage	Green	Montane, subalpine	Woodlands, wetlands	Summer
Pectis angustifolia var. angustifolia		Asteraceae	Sunflower	Yellow	Semi-desert	Sand openings, shrublands	Summer, fall
Pedicularis bracteosa var. paysoniana	Fern Leaf Lousewort	Scrophulariaceae	Snapdragon	Yellow	Subalpine	Woodlands	Summer
*Pedicularis centranthera*		Scrophulariaceae	Snapdragon	Pink	Semi-desert, foothills	Shrublands, woodlands	Spring
*Pedicularis groenlandica*	Elephant Heads	Scrophulariaceae	Snapdragon	Pink	Subalpine	Wetlands, streamsides	Summer
Pedicularis parryi ssp. parryi	Alpine Lousewort	Scrophulariaceae	Snapdragon	Yellow	Subalpine, alpine	Woodlands, meadows, openings	Summer
*Pedicularis procera*	Towering Lousewort	Scrophulariaceae	Snapdragon	Yellow	Montane, subalpine	Woodlands, openings	Summer
*Pedicularis racemosa*	Parrot's Beak	Scrophulariaceae	Snapdragon	White	Subalpine	Woodlands	Summer
Pedicularis scopulorum		Scrophulariaceae	Snapdragon	Pink	Subalpine, alpine	Rocky areas, wet areas, tundra.	Summer
Pedicularis sudetica ssp. scopulorum		Scrophulariaceae	Snapdragon	Pink	Subalpine, alpine	Rocky areas, wet areas, tundra.	Summer
*Pediocactus simpsonii*		Cactaceae	Cactus	Yellow	Foothills	Openings	Summer
Pediomelum megalanthum var. megalanthum	Indian Breadroot	Fabaceae	Pea	White	Semi-desert, foothills	Openings, shrublands	Spring
*Penstemon angustifolius*	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert	Woodlands, openings	Spring, summer
*Penstemon barbatus*	Scarlet Bugler	Scrophulariaceae	Snapdragon	Red	Semi-desert, foothills	Woodlands, openings	Spring, summer
*Penstemon breviculus*	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert	Openings	Spring
Penstemon caespitosus var. caespitosus	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert, foothills, montane	Openings	Spring, summer
*Penstemon comarrhenus*	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Foothills, montane	Open woodlands	Summer
*Penstemon eatonii*	Penstemon	Scrophulariaceae	Snapdragon	Pink	Semi-desert, foothills	Openings, shrublands, woodlands	Spring, summer
*Penstemon hallii*	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Alpine	Scree	Summer
*Penstemon harbourii*	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Alpine	Scree	Summer
Penstemon lentus var. lentus and variet y albiflorus	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert, foothills	Openings, woodlands	Spring
Penstemon linarioides ssp. coloradoensis	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert, foothills	Openings, woodlands	Spring, summer
Penstemon osterhoutii *(see* Penstemon lentus)**	Penstemon	Scrophulariaceae	Snapdragon	Blue/Purple	Semi-desert, foothills	Openings, woodlands	Spring
*Penstemon rostriflorus*	Bridges Penstemon	Scrophulariaceae	Snapdragon	Red	Foothills	Openings, woodlands	Summer
*Penstemon strictus*	Rocky Mountain Penstemon	Scrophulariaceae	Snapdragon	Blue	Foothills, montane, subalpine	Meadows, openings	Summer
*Penstemon utahensis*	Utah Penstemon	Scrophulariaceae	Snapdragon	Pink	Semi-desert, foothills	Canyons, openings, shrublands	Spring
*Penstemon whippleanus*	Penstemon	Scrophulariaceae	Snapdragon	Purple	Subalpine	Woodlands, openings	Summer
Pentaphylloides floribunda	Shrubby Cinquefoil	Rosaceae	Rose	Yellow	Foothills, montane, subalpine	Meadows	Summer
*Peraphyllum ramosissimum*	Squaw Apple	Rosaceae	Rose	White	Foothills	Woodlands, openings	Spring
*Peritoma lutea*	Beeplant	Capparaceae	Caper	Yellow	Semi-desert, foothills, montane	Shrublands, openings, disturbed areas	Spring, summer
*Peritoma serrulata*	Rocky Mountain Bee Plant	Capparaceae	Caper	Pink	Foothills, montane	Roadsides, disturbed areas	Summer, fall
*Persicaria amphibia*	Water Smartweed	Polygonaceae	Buckwheat	Pink	Montane	Lake edge	Summer
*Petradoria pumila*	Rock Goldenrod	Asteraceae	Sunflower	Yellow	Foothills	Roadsides, woodlands, openings	Summer
*Petrophyton caespitosum*	Rockmat	Rosaceae	Rose	White	Semi-desert	Canyons	Summer, fall
*Phacelia crenulata*	Phacelia	Hydrophyllaceae	Waterleaf	Blue	Semi-desert	Canyons, openings, sand	Spring
Phacelia glandulosa var. glandulosa		Hydrophyllaceae	Waterleaf	Blue	Subalpine, alpine	Rocky openings	Summer
*Phacelia heterophylla*		Hydrophyllaceae	Waterleaf	White	Foothills, montane	Woodlands, openings	Spring, summer
*Phacelia integrifolia*		Hydrophyllaceae	Waterleaf	White	Semi-desert	Sand, woodlands	Spring
Phacelia ivesiana var. ivesiana		Hydrophyllaceae	Waterleaf	White	Semi-desert	Sand, woodlands	Spring, summer
*Phacelia sericea*	Silky Phacelia	Hydrophyllaceae	Waterleaf	Purple	Subalpine, alpine	Meadows, openings, tundra	Summer
*Phemeranthus brevifolius*		Portulacaceae	Portulaca	Pink	Semi-desert	Rock depressions	Spring
*Philadelphus microphyllus*	Mock Orange	Hydrangeaceae	Hydrangea	White	Semi-desert, foothills	Woodlands, openings	Early summer
*Phlox austromontana*	Phlox	Polemoniaceae	Phlox	White	Semi-desert, foothills	Canyons, shrublands	Spring
*Phlox condensata*	Alpine Phlox	Polemoniaceae	Phlox	White	Alpine	Meadows, tundra, rocks	Summer
Phlox hoodii ssp. canescens	Phlox	Polemoniaceae	Phlox	White	Semi-desert, foothills	Canyons, shrublands	Spring
*Phlox longifolia*	Phlox	Polemoniaceae	Phlox	White	Semi-desert	Canyons, shrublands	Spring, summer
*Physaria acutifolia*	Double Bladderpod	Brassicaceae	Mustard	Yellow	Semi-desert, foothills	Shrublands, woodlands, openings	Spring
*Physaria fendleri*	Bladderpod	Brassicaceae	Mustard	Yellow	Semi-desert	Sand areas, shrublands	Spring
*Physaria pulvinata*	Bladderpod	Brassicaceae	Mustard	Yellow	Foothills	Meadows	Spring, summer
*Physaria rectipes*	Bladderpod	Brassicaceae	Mustard	Yellow	Semi-desert, foothills	Woodlands	Spring
*Physaria scrotiformis*	Bladderpod	Brassicaceae	Mustard	Yellow	Alpine	Tundra	Summer
*Picea engelmannii*	Engelmann Spruce	Pinaceae	Pine	Tree	Montane, subalpine, alpine	Woodlands	Spring
*Picea pungens*	Colorado Blue Spruce	Pinaceae	Pine	Tree	Montane, subalpine	Woodlands	Spring
*Picrothamnus desertorum*	Spiny Sagebrush	Asteraceae	Sunflower	Yellow	Semi-desert	Openings	Spring
Pinus contorta var. latifolia	Lodgepole Pine	Pinaceae	Pine	Tree	Montane, subalpine	Woodlands	Summer
*Pinus edulis*	Pinyon Pine	Pinaceae	Pine	Tree	Semi-desert, foothills	Woodlands	Spring
*Pinus flexilis*	Limber Pine	Pinaceae	Pine	Tree	Montane,sub-alpine	Woodlands	Summer
Pinus ponderosa var. scopulorum	Ponderosa Pine	Pinaceae	Pine	Tree	Foothills, montane	Woodlands	Spring
*Plagiobothrys hispidulus*		Boraginaceae	Forget- Me-Not	White	Foothills, montane	Moist meadows, pond edges, openings	Spring, summer
Plagiobothrys scouleri		Boraginaceae	Forget- Me-Not	White	Foothills, montane	Moist meadows, pond edges, openings	Spring, summer
*Plantago eriopoda*	Plantain	Plantaginaceae	Plantain	White	Foothills, montane	Openings	Spring, summer
*Plantago patagonica*	Woolly Plantain	Plantaginaceae	Plantain	White	Semi-desert, foothills	Openings, canyons	Spring, summer
Platanthera spp.		Orchidaceae	Orchid	Green
Platyschkuhria integrifolia variety oblongifolia		Asteraceae	Sunflower	Yellow	Semi-desert	Openings, hills	Spring, summer, fall
Pneumonanthe affinis	Bottle Gentian	Gentianaceae	Gentian	Blue	Montane, subalpine, alpine	Wet meadows	Summer
Pneumonanthe parryi	Mountain Gentian	Gentianaceae	Gentian	Blue	Subalpine, alpine	Meadows, openings	Summer, fall
*Podistera eastwoodiae*		Apiaceae	Parsley	Yellow	Subalpine	Meadows, woodlands	Summer
*Polemonium confertum*	Sky Pilot	Polemoniaceae	Phlox	Purple	Alpine	Tundra, scree	Summer
Polemonium foliosissimum var. foliosissimum	Jacobsladder	Polemoniaceae	Phlox	Blue	Montane, subalpine	Meadows	Summer
Polemonium pulcherrimum ssp. delicatum	Jacobsladder	Polemoniaceae	Phlox	Blue	Montane, subalpine	Woodlands	Summer
*Polemonium viscosum*	Sky Pilot	Polemoniaceae	Phlox	Purple	Alpine	Tundra, scree	Summer
*Poliomintha incana*		Lamiaceae	Mint	Blue	Semi-desert	Sand	Spring
*Polygala subspinosa*	Milkwort	Polygalaceae	Milkwort	Pink	Semi-desert	Sand, gravel	Spring
*Polypodium hesperium*	Western Polypody	Polypodiaceae	Western Polypody	Fern	Montane	Rocks	Summer
*Polystichum lonchitis*	Holly Fern	Dryopteridaceae	Shield Fern	Fern	Montane to alpine	Rocks	Summer
*Populus alba*	Silver Poplar	Salicaceae	Willow	Tree	Foothills	Roadsides, moist areas	Spring
*Populus angustifolia*	Narrowleaf Cottonwood	Salicaceae	Willow	Tree	Foothills, montane, subalpine	Streamsides	Spring
Populus deltoides ssp. wislizeni and ssp. fremontii	Cottonwood	Salicaceae	Willow	Tree	Semi-deserts, foothills	Canyons, washes, streamsides	Spring
*Populus nigra*	Lombardy Poplar	Salicaceae	Willow	Tree	Foothills	Farmlands, lawns	Spring
*Populus tremuloides*	Aspen	Salicaceae	Willow	Tree	Montane, subalpine	Woodlands	Spring
*Portulaca oleracea*	Purslane	Portulacaceae	Portulaca	Yellow	Foothills	Fields. lawns, disturbed areas	Summer
*Potentilla concinna*	Cinquefoil	Rosaceae	Rose	Yellow	Foothills to alpine	Openings, woodlands	Summer
Potentilla gracilis var. pulcherrima	Cinquefoil	Rosaceae	Rose	Yellow	Montane, subalpine	Meadows, openings	Summer
Potentilla hippiana var. hippiana	Cinquefoil	Rosaceae	Rose	Yellow	Montane	Meadows, woodlands	Summer
Potentilla pensylvanica var. pensylvanica	Cinquefoil	Rosaceae	Rose	Yellow	Foothills to subalpine	Meadows, rocky openings	Summer
*Potentilla plattensis*	Cinquefoil	Rosaceae	Rose	Yellow	Montane	Moist meadows	Summer
Potentilla pulcherrima	Cinquefoil	Rosaceae	Rose	Yellow	Montane, subalpine	Meadows, openings	Summer
*Potentilla rubricaulis*	Cinquefoil	Rosaceae	Rose	Yellow	Alpine	Scree, gravel	Summer
*Primula parryi*	Parry's Primrose	Primulaceae	Primrose	Pink	Alpine, subalpine	Streamsides, wetlands	Summer
*Primula specuicola*	Alcove Primrose	Primulaceae	Primrose	Blue/Pink
*Prosartes trachycarpum*	Fairybells	Liliaceae	Bellwort	White	Montane, subalpine	Woodlands	Spring, summer
*Prunella vulgaris*	Self-heal	Lamiaceae	Mint	Purple	Montane, subalpine	Woodlands, meadows	Summer
*Prunus virginiana*	Chokecherry	Rosaceae	Rose	White	Foothills, montane	Shrublands, woodlands	Spring
Pseudocymopterus montanus	Mountain Parsley	Apiaceae	Parsley	Yellow	Foothills, montane, subalpine	Woodlands, meadows	Spring, summer
Pseudostellaria jamesiana	Tuber Starwort	Caryophyllaceae	Pink	White	Foothills, montane	Woodlands, openings	Summer
Pseudotsuga menziesii var. glauca	Douglas Fir	Pinaceae	Pine	Tree	Foothills, montane, subalpine	Woodlands	Spring
Psilochenia intermedia		Asteraceae	Sunflower	Yellow	Foothills	Openings, woodlands	Spring, summer
Psilochenia occidentalis		Asteraceae	Sunflower	Yellow	Foothills	Openings, woodlands	Spring, summer
Psilochenia runcinata		Asteraceae	Sunflower	Yellow	Montane	Wet meadows	Summer
*Psilostrophe sparsiflora*	Paper Flower	Asteraceae	Sunflower	Yellow	Semi-desert	Pinyon/Juniper woodlands, shrublands	Summer, fall
Psychrophila leptosepala	Marsh Marigold	Ranunculaceae	Hellebore	White	Subalpine	Wetlands, openings, meadows	Spring, summer
*Pteridium aquilinum*	Bracken Fern	Dennstaedtiaceae	Bracken	Fern	Montane, subalpine	Woodlands, openings	Spring
Pterogonum alatum	Winged Buckwheat	Polygonaceae	Buckwheat	Yellow	Semi-desert, foothills, montane	Openings, shrublands, canyons, woodlands.	Spring, summer
Pterospora andromedea	Pinedrops	Monotropaceae	Pinesap	Brown	Montane	Woodlands	Spring
Pulsatilla ludoviciana	Pasqueflower	Ranunculaceae	Buttercup	Violet	Foothills - sub-alpine	Woodlands, openings	Early spring
Pulsatilla patens ssp. multifida	Pasqueflower	Ranunculaceae	Buttercup	Violet	Foothills - sub-alpine	Woodlands, openings	Early spring
*Purshia stansburiana*	Cliff Rose	Rosaceae	Rose	White	Semi-desert, foothills	Woodlands, shrublands, openings	Spring
*Purshia tridentata*	Buckbrush	Rosaceae	Rose	White	Semi-desert, foothills	Woodlands, shrublands, openings	Spring
Pyrola asarifolia ssp. asarifolia	Pyrola	Pyrolaceae	Wintergreen	Pink	Montane, sub-alpine	Wet woodlands, meadows, streamsides	Summer
*Pyrola chlorantha*	Pyrola	Pyrolaceae	Wintergreen	Green	Montane	Woodlands	Summer
*Pyrola minor*	Pyrola	Pyrolaceae	Wintergreen	White	Montane, subalpine	Woodlands	Summer
*Pyrola picta*	Pyrola	Pyrolaceae	Wintergreen	Green	Montane	Woodlands	Summer
Pyrola rotundifolia	Pyrola	Pyrolaceae	Wintergreen	Pink	Montane, sub-alpine	Wet woodlands, meadows, streamsides	Summer
Pyrrocoma crocea var. crocea		Asteraceae	Sunflower	Yellow	Montane	Meadows, woodlands	Summer

Bold=widely accepted scientific names. Not bold=synonym for scientific names. ssp.=subspecies var.=variety
GENUS AND SPECIES	COMMON NAME	SCIENTIFIC FAMILY NAME	COMMON FAMILY NAME	TYPE OF PLANT	VEGETATION ZONE	HABITAT	SEASON OF BLOOM
				Flower, (brown/green, blue/purple, pink/red/orange, white, or yellow), fern, or tree.	Alpine, subalpine, montane, foothills (including mesas), semi-deserts (including canyons).	Tundra, scree, woodlands, wetlands, streamsides, openings, meadows, rocks, canyons, shrublands, disturbed areas (roadsides, mined areas, timbered lands, avalanche chutes, rock slides), semi-deserts.	Spring, summer, fall.
M achaeranthera bigelovii	Tansy Aster	Asteraceae	Sunflower	Purple	Foothills, montane, subalpine	Disturbed areas, openings	Fall
Machaeranthera canescens	Tansy Aster	Asteraceae	Sunflower	Purple	Foothills, montane, subalpine	Disturbed areas, openings	Fall
Machaeranthera coloradoensis	Colorado Tansy Aster	Asteraceae	Sunflower	Pink	Montane, subalpine, alpine	Meadows, openings, rocks, tundra	Summer
Machaeranthera grindelioides		Asteraceae	Sunflower	Yellow	Semi-desert	Openings, rimrock	Spring
Machaeranthera pinnatifida		Asteraceae	Sunflower	Yellow	Semi-desert	Openings, hillsides	Spring
*Mahonia fremontii*	Barberry	Berberidaceae	Barberry	Yellow	Semi-desert	Shrublands, woodlands, openings	Spring
*Mahonia repens*	Oregon Grape	Berberidaceae	Barberry	Yellow	Foothills, montane, subalpine	Woodlands, openings	Spring
Maianthemum amplexicaule	Solomon's Plume	Liliaceae	Mayflower	White	Montane, subalpine	Woodlands	Spring
Maianthemum racemosum ssp. amplexicaule	Solomon's Plume	Liliaceae	Mayflower	White	Montane, subalpine	Woodlands	Spring
*Maianthemum stellatum*	Star Lily	Liliaceae	Mayflower	White	Montane, subalpine	Woodlands	Spring
*Malacothrix sonchoides*	Desert Dandelion	Asteraceae	Sunflower	Yellow	Semi-desert, foothills	Openings, meadows	Spring, summer
Malcomia africana	African Mustard	Brassicaceae	Mustard	Pink	Semi-desert, foothills	Disturbed areas, openings	Spring, summer
*Malva neglecta*	Cheeseweed	Malvaceae	Mallow	Pink	Foothills	Disturbed areas	Summer