Eldorado Canyon State Park lies eight miles southwest of the city of Boulder along the eastern edge of the Front Range of the Rocky Mountains in an ecotone between the grasslands below and coniferous forests in and above the park. The park is made up of of 1,442 acres owned by the State of ...more ↓
Rudbeckia laciniata is a species of flowering plant in the sunflower/daisy family Asteraceae, native to eastern North America, most often found in flood plains and moist soils.
Rudbeckia hirta, commonly called black-eyed Susan, is a North American flowering plant in the sunflower family, native to Eastern and Central North America and naturalized in the Western part of the continent as well as in China. It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States.
Ratibida columnifera, commonly known as Upright Prairie Coneflower or Mexican Hat, is a species of flowering plant in the daisy family, Asteraceae, that is native to much of North America. It inhabits prairies, plains, roadsides, and disturbed areas from southern Canada through most of the United States to northern Mexico.
The sunflower (Helianthus annuus) is an annual plant native to the Americas. It possesses a large inflorescence (flowering head), and its name is derived from the flower's shape and image, which is often used to capture the sun. The plant has a rough, hairy stem, broad, coarsely toothed, rough leaves, and circular flower heads. The heads consist of many individual flowers which ...more ↓
Helianthus nuttallii (Nuttall's sunflower) is a species of sunflower native to northern, central, and western North America, from Newfoundland west to British Columbia, south to Missouri, New Mexico, and California.
Helianthus pumilus is a North American species of sunflower known by the common name little sunflower or bush sunflower. It is found in the western United States, primarily the Rocky Mountain region of Montana, Wyoming, and Colorado, with a few isolated populations in Utah and Idaho.
Heliomeris multiflora is a North American species of flowering plants in the sunflower family called the showy goldeneye. It grows in Mexico and the western United States from Montana to Jalisco.
Gaillardia aristata is a North American species of flowering plants in the sunflower family known by the common names common blanketflower and common gaillardia. This perennial wildflower is widespread across much of North America, from Yukon east to Québec and south as far as California, Arizona, Illinois, and Connecticut, although it may be naturalized rather ...more ↓
Gaillardia pinnatifida (Hopi blanketflower or red dome blanketflower) is a perennial plant in the sunflower family (Asteraceae) found in northern Mexico (Chihuahua, Coahuila, Durango, Sonora) and in the south-central and southwestern United States (from southwestern Kansas south to central Texas and west as far as southern Nevada).:78
Gaillardia pulchella (firewheel, Indian blanket, Indian blanketflower, or sundance), is a North American species of short-lived perennial or annual flowering plants in the sunflower family. It is native to northern Mexico (Chihuahua, Coahuila, Nuevo León, Sonora, Tamaulipas) and the southern and central United States from Arizona east to Florida and ...more ↓
Pericome caudata is species of flowering plant in the aster family known by the common name mountain tail-leaf. It is native to the southwestern United States as far east as Colorado, Oklahoma, and Texas, as well as northern Mexico, where it grows in rocky habitat, often in hills and mountains, and sometimes in disturbed areas. It is a large, branching, leafy perennial ...more ↓
Campanula rapunculoides, known by the common names creeping bellflower, or rampion bellflower, is a perennial herbaceous plant of the genus Campanula, belonging to the family Campanulaceae.
Campanula rotundifolia (harebell) is a herbaceous perennial flowering plant in the bellflower family Campanulaceae. It has a circumpolar distribution in the Northern Hemisphere, from about latitude 40° N to about 70° N, extending in Europe from the north Mediterranean to the arctic.
Triodanis perfoliata, the clasping Venus' looking-glass or clasping bellflower, is a flowering plant belonging to the family Campanulaceae. It is an annual herb native to North and South America, the natural range extending from Canada to Argentina. It is also naturalized in China, Korea and Australia.
Erodium cicutarium, also known as redstem filaree, redstem stork's bill, common stork's-bill or pinweed, is a herbaceous annual – or in warm climates, biennial – member of the family Geraniaceae of flowering plants. It is native to the Mediterranean Basin and was introduced to North America in the eighteenth century, where it has since become ...more ↓
Geranium richardsonii is a species of geranium known by the common name Richardson's geranium. It is native to western North America from Alaska to New Mexico, where it can be found in a number of habitats, especially mountains and forests. This is a perennial herb varying in maximum height from 20 to 80 centimeters. The plant grows from a tough, woody taproot and older ...more ↓
Geranium viscosissimum, commonly known as the sticky purple geranium, is a perennial in the Geraniaceae family of flowering plants. It is thought to be a protocarnivorous plant.
Geranium caespitosum (purple cluster geranium, pineywoods geranium) is a perennial herb native to the western United States and northern Mexico. Its US distribution includes Arizona, Colorado, Nevada, New Mexico, Texas, Utah, and Wyoming.
Toxicodendron rydbergii the western poison ivy, is a species of Toxicodendron in the cashew family. It is native to most of Canada from the Maritimes to British Columbia, and most of the contiguous United States except the southeastern states, New Jersey, Delaware, and California. It can be found growing in forests, and other wooded areas, usually near streams and ...more ↓
Rhus glabra (smooth sumac) is a species of sumac in the family Anacardiaceae, native to North America, from southern Quebec west to southern British Columbia in Canada, and south to northern Florida and Arizona in the United States and Tamaulipas in northeastern Mexico.
Rhus trilobata is a shrub in the sumac genus (Rhus) with the common names skunkbush sumac, sourberry, skunkbush, and three-leaf sumac. It is native to the western half of Canada and the Western United States, from the Great Plains to California and south through Arizona extending into northern Mexico. It can be found from deserts to mountain ...more ↓
Acer glabrum is a species of maple native to western North America, from southeastern Alaska, British Columbia and western Alberta, east to western Nebraska, and south through Washington, Idaho, Montana and Colorado to California, Arizona and New Mexico.
Acer negundo is a species of maple native to North America. Box elder, boxelder maple, and maple ash are its most common names in the United States.
Circaea alpina commonly called enchanter's nightshade or small enchanter's nightshade is a 10–30 cm tall perennial herb found in cool forests of the Northern Hemisphere.
Oenothera caespitosa, known commonly as tufted evening primrose and fragrant evening primrose, is a perennial plant of the genus Oenothera native to much of western and central North America. It produces a rosette of lobed or toothed leaves each up to 36 centimeters long around a woody caudex.
Epilobium ciliatum, known by the common names fringed willowherb, American willowherb, slender willow herb, and northern willow herb is a species of flowering plant in the willowherb family Onagraceae. This species is native to much of North America, southern South America, and East Asia. It is an introduced species in much of Eurasia and ...more ↓
Chamaenerion angustifolium, commonly known in North America as fireweed, in some parts of Canada as great willowherb, and in Britain as rosebay willowherb, is a perennial herbaceous plant in the willowherb family Onagraceae. It is also known by the synonyms Chamerion angustifolium and Epilobium angustifolium.
Betula occidentalis (Water Birch, also known as Red Birch) is a species of birch native to western North America, in Canada from Yukon east to western Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, and south to eastern California, northern Arizona and northern New Mexico, and southwestern Alaska. It typically ...more ↓
Alnus incana, the grey alder or speckled alder, is a species of alder with a wide range across the cooler parts of the Northern Hemisphere.
Corylus cornuta, the beaked hazelnut, is a deciduous shrubby hazel found in most of North America, from southern Canada south to Georgia and California. It grows in dry woodlands and forest edges and can reach 4–8 metres (13–26 ft) tall with stems 10–25 centimetres (3.9–9.8 in) thick with smooth gray bark. The leaves are rounded oval, coarsely double-toothed, 5–11 ...more ↓
Scrophularia lanceolata is a species of flowering plant in the figwort family known by the common name lanceleaf figwort. It is native to North America, where it is known from western and eastern Canada and much of the United States except for the southeastern quadrant. It grows in many types of habitat, sometimes including disturbed areas such as roadsides. It is a ...more ↓
Verbascum blattaria, or moth mullein, is a flowering biennial weed belonging to the Scrophulariaceae (figwort) family. An invasive species native to Eurasia and North Africa, it has naturalized in the United States and most of Canada since its introduction. It has been declared a noxious weed by the state of Colorado.
Verbascum thapsus (great mullein or common mullein) is a species of mullein native to Europe, northern Africa and Asia, and introduced in the Americas and Australia.
Castilleja integra, with the common name wholeleaf Indian paintbrush, is an herbacous perennial plant native to the Southwestern United States.
Castilleja linariifolia is a perennial plant, native to the United States and is the state flower of Wyoming. It has a number of common names including Wyoming Indian paintbrush, narrow-leaved Indian paintbrush, desert paintbrush, Wyoming desert paintbrush, Wyoming paintbrush, linaria-leaved Indian Paintbrush, and Indian ...more ↓
Castilleja miniata is a species of Indian paintbrush known by the common name giant red Indian paintbrush. It is native to western North America from Alaska to Ontario to California to New Mexico, where it grows usually in moist places in a wide variety of habitat types.
Orthocarpus luteus is a species of flowering plant in the broomrape family known by the common name yellow owl's clover. It is native to much of western and central North America, where it grows in many types of plateau, grassland, and mountain habitat.
Syringa vulgaris (lilac or common lilac) is a species of flowering plant in the olive family Oleaceae, native to the Balkan Peninsula, where it grows on rocky hills. This species is widely cultivated as an ornamental and has been naturalized in other parts of Europe (including the United Kingdom, France, Germany, and Italy), as well as much of North America. It is ...more ↓
Fraxinus pennsylvanica, the green ash or red ash, is a species of ash native to eastern and central North America, from Nova Scotia west to southeastern Alberta and eastern Colorado, south to northern Florida, and southwest to Oklahoma and eastern Texas. It has spread and become naturalized in much of the western United States and also in Europe from Spain to ...more ↓
Ligustrum vulgare (wild privet, also sometimes known as common privet or European privet) is a species of Ligustrum native to central and southern Europe, north Africa and southwestern Asia, from Ireland and southwestern Sweden south to Morocco, and east to Poland and northwestern Iran.
Monarda fistulosa, the wild bergamot or bee balm, is a wildflower in the mint family (Lamiaceae) widespread and abundant as a native plant in much of North America. This plant, with showy summer-blooming pink to lavender flowers, is often used as a honey plant, medicinal plant, and garden ornamental. The species is quite variable, and several subspecies or ...more ↓
Mentha arvensis, the corn mint, field mint, or wild mint, is a species of flowering plant in the mint family Lamiaceae. It has a circumboreal distribution, being native to the temperate regions of Europe and western and central Asia, east to the Himalaya and eastern Siberia, and North America.Mentha canadensis, the related species, is also included in ...more ↓
Nepeta cataria, commonly known as catnip, catswort, and catmint, is a species of the genus Nepeta in the family Lamiaceae, native to southern and eastern Europe, the Middle East, central Asia, and parts of China. It is widely naturalized in northern Europe, New Zealand, and North America. The common name catmint can also refer to the genus as a whole. ...more ↓
Prunella vulgaris (known as common self-heal , heal-all, woundwort, heart-of-the-earth, carpenter's herb, brownwort and blue curls) is an herbaceous plant in the genus Prunella.
Marrubium vulgare (white horehound or common horehound) is a flowering plant in the mint family (Lamiaceae), native to Europe, northern Africa, and southwestern and central Asia. It is also widely naturalized in many places, including most of North and South America.
Stachys palustris, commonly known as marsh woundwort, marsh hedgenettle, or hedge-nettle, is an edible perennial grassland herb growing to 80 centimeters tall. It is native to parts of Eurasia but has been introduced to North America. The species epithet palustris is Latin for "of the marsh" and indicates its common habitat.
Verbena bracteata is a species of verbena known by the common names bracted vervain, bigbract verbena, prostrate vervain, and carpet vervain. It is native to North America where it is widespread, occurring throughout the continent except for northern Canada and southern Mexico. It occurs in many types of habitat, especially disturbed areas, where it ...more ↓
Linaria dalmatica is a herbaceous plant native to western Asia and southeastern Europe that has become a weed in other areas. Its common names include Balkan toadflax, broadleaf toadflax, and Dalmatian toadflax.
Linaria vulgaris (Common Toadflax,Yellow Toadflax, or Butter-and-eggs) is a species of toadflax (Linaria), native to most of Europe and northern Asia, from the United Kingdom south to Spain in the west, and east to eastern Siberia and western China. It has also been introduced and is now common in North America.
Nutallanthus texanus (Texas toadflax) is an annual to biennial plant in the snapdragon family (Plantaginaceae) found across much of the western United States.:128 It can often be seen in patches along roadsides.:128
Veronica americana, variously called American brooklime or American speedwell, is a plant native to temperate and arctic Asia and North America where it grows in streams and bottomlands.
Veronica serpyllifolia (thyme-leaved speedwell or thymeleaf speedwell) is a perennial flowering plant in the plantain family. It can be found on most continents.
Veronica anagallis-aquatica is a species of flowering plant in the plantain family Plantaginaceae known by the common names water speedwell, blue water-speedwell, and brook pimpernel. Its true native range is not clear, but the plant is present on most continents, and in most places it is probably naturalized. It occurs in many types of moist and wet ...more ↓
Plantago major (broadleaf plantain, white man's foot, or greater plantain) is a species of flowering plant in the plantain family Plantaginaceae. The plant is native to most of Europe and northern and central Asia, but has widely naturalised elsewhere in the world.
Plantago lanceolata is a species of flowering plant in the plantain family Plantaginaceae. It is known by the common names ribwort plantain, narrowleaf plantain, English plantain, ribleaf and lamb's tongue. It is a common weed of cultivated land.
Collinsia parviflora is a species of flowering plant in the Plantaginaceae known by the common names maiden blue eyed Mary and small-flowered collinsia. This tiny wildflower is a common plant throughout much of western and northern North America, where it grows in moist, shady mountain forests. This is an annual plant with a spindly reddish stem and narrow ...more ↓
Penstemon angustifolius is a species of flowering plant in the plantain family known by the common names broadbeard beardtongue and narrowleaf beardtongue. It is native to the west-central United States, including the Great Plains.
Penstemon strictus, the Rocky Mountain penstemon, is a penstemon (common name beardtongue) with showy blue flowers.
Corydalis aurea (scrambled eggs, golden smoke, golden corydalis) is a winter annual native to North America.
Argemone polyanthemos (crested pricklypoppy) is an annual plant with yellow sap and showy white flowers in the poppy family (Papaveraceae).:63 It can be found in areas with dry soil in most of the North American southwest.:63 Because of its prickly defenses, and acrid taste from its poisons, grazing animals tend to avoid it, so it increases in numbers compared to other ...more ↓
Aquilegia coerulea is a species of Aquilegia flower native to the Rocky Mountains from Montana south to New Mexico and west to Idaho and Arizona. Its common name is Colorado blue columbine; sometimes it is called "Rocky Mountain columbine," but this properly refers to Aquilegia saximontana.
Thalictrum fendleri is a species of flowering plant in the buttercup family known by the common name Fendler's meadow-rue.
Delphinium nuttallianum is a species of larkspur known by the common names twolobe larkspur and Nuttall's larkspur. It is widely distributed across western North America from California to Alberta. This wildflower has a white to pink erect stem usually not exceeding half a meter in height which may branch several times. Deeply lobed leaves are located mostly about ...more ↓
Aconitum columbianum is a species of flowering plant in the buttercup family known by the common names Columbian monkshood or western monkshood.
Ranunculus abortivus is a species of flowering plant in the buttercup family, Ranunculaceae. Its common names include littleleaf buttercup, small-flower crowfoot, small-flowered buttercup, and kidneyleaf buttercup. It is widespread across much of North America, found in all 10 Canadian Provinces plus Yukon and Northwest Territories, and most of the ...more ↓
Ranunculus macounii is a species of buttercup known by the common name Macoun's buttercup. It is native to much of North America, from Alaska and northwestern Canada to Newfoundland and Labrador, and the contiguous United States except for the northeast and southeastern areas. It grows in many types of moist habitat, including marshes and wet areas woodlands and scrub. It ...more ↓
Ranunculus uncinatus is a species of buttercup known by the common names woodland buttercup and little buttercup. It is native to western North America from Alaska to California to New Mexico, where it grows in wet, wooded habitat such as forest streambanks. It is a perennial herb producing a slender, erect stem which may exceed half a meter in maximum height. The ...more ↓
Clematis hirsutissima is a species of flowering plant in the buttercup family known by the common name hairy clematis. It is native to much of the western United States, from Washington to Nebraska. It is a small, erect plant which, unlike other Clematis, does not generally produce vines. It is quite variable in appearance, especially across varieties. In general ...more ↓
Clematis ligusticifolia is a climbing, spreading vine with showy flowers. It is also known as Old-man's Beard and Yerba de Chiva, and Virgin's bower, (though Old-man's Beard may also refer to C. vitalba, and Virgin's bower may also refer to C. lasiantha). It is native to North America where it is widespread across the western United States in ...more ↓
Clematis orientalis is a deciduous vine or scrambling shrub of the Clematis species, that originates from Asia and Central Europe. Brought to United States as an ornamental plant but escaped cultivation leading to its classification as a noxious weed in some states. Common names for C. orientalis include Chinese clematis, Oriental virginsbower, ...more ↓
Pulsatilla nuttalliana, known as American pasqueflower, cutleaf anemone, prairie pasqueflower, or simply pasqueflower, is a flowering plant native to much of North America, from the western side of Lake Michigan, to northern Canada in the Northwest Territories, south to New Mexico in the southwestern United States.
Anemone cylindrica is an upright growing, clump forming herbaceous plant species in the genus Anemone and family Ranunculaceae. Plants grow 30–100 centimetres (12–39 in) tall, flowering early summer but often found flowering till late summer, the flowers are greenish-white. After flowering, the fruits are produced in a dense rounded columned spikes 20–35 millimetres ...more ↓
Anemone multifida is a species of flowering plant in the buttercup family known by the common names cutleaf anemone, Pacific anemone and globe anemone. It is native to northern North America from Alaska to New York and as far south as Arizona and New Mexico. It is also known from parts of South America. This is a perennial herb which is quite variable in ...more ↓
Actaea rubra (red baneberry, chinaberry, doll's eye) is a poisonous herbaceous flowering plant in the family Ranunculaceae, native to North America.
Mahonia repens commonly known as creeping mahonia,creeping Oregon grape, creeping barberry, or prostrate barberry, is a species of Mahonia native to the Rocky Mountains and westward areas of North America, from British Columbia and Alberta in the north through Arizona and New Mexico into northwest Mexico in the south. It is also found in many ...more ↓
Physalis virginiana, the Virginia groundcherry, is a rhizomatous perennial with a deeply buried stem base. It is found mostly in eastern North America as far west as Wyoming.
Convolvulus arvensis (field bindweed) is a species of bindweed in the morning glory family (Convolvulaceae), native to Europe and Asia. It is a climbing or creeping herbaceous perennial plant growing to 0.5–2 m high. The leaves are spirally arranged, linear to arrowhead-shaped, 2–5 cm long and alternate, with a 1–3 cm petiole. The flowers are trumpet-shaped, 1-2.5 cm ...more ↓
Symphoricarpos albus is a species of flowering plant in the honeysuckle family known by the common name common snowberry. It is native to North America, where it occurs across much of Canada and the northern and western United States.
Symphoricarpos rotundifolius is a North American subshrub in the honeysuckle family, also known by the common name round-leaved snowberry.
Lonicera involucrata, the bearberry honeysuckle, bracted honeysuckle, twinberry honeysuckle, Californian Honeysuckle, twin-berry, or black twinberry, is a species of honeysuckle native to northern and western North America, from southern Alaska east across boreal Canada to Quebec, and south through the western United States to ...more ↓
Sanicula marilandica, the Maryland sanicle or Maryland black snakeroot, is a flowering plant widespread in North America but rare along the Pacific coast of the continent and Texas. Sanicula marilandica is listed as Sensitive in Washington state.
Osmorhiza berteroi is a species of flowering plant in the carrot family known by the common name mountain sweet cicely.
Osmorhiza depauperata is a species of flowering plant in the carrot family known by the common name bluntseed sweetroot. It is native to much of western and northern North America, as well as parts of South America, where it grows in wooded areas. It is an erect perennial herb up to 80 centimeters tall. The green leaves have blades up to 12 centimeters wide which are ...more ↓
Ligusticum porteri, known as Osha or oshá, is a perennial herb found in parts of the Rocky Mountains and northern Mexico, especially in the southwestern United States.