Plants of Chatfield State Park

Chatfield reservoir is one of the largest bodies of water along the Front Range open to public recreation. The park offers water enthusiasts the opportunity to enjoy fishing, boating, sailing, water-skiing, and swimming in the 1,500 surface acre reservoir. Nearly 3,900 acres of park land ...more ↓

salt cedar ¹
Tamarix ramosissima

oak-leaved goosefoot ²
Oxybasis glauca

fourwing saltbush ³
Atriplex canescens

Common Orache ⁴
Atriplex patula

lamb's quarters ⁵
Chenopodium album

winged pigweed ⁶
Cycloloma atriplicifolium

winterfat ³
Krascheninnikovia lanata

Slender Snakecotton ⁷
Froelichia gracilis

Redroot Pigweed ⁸
Amaranthus retroflexus

kochia ⁹
Bassia scoparia

Slender Russian-thistle ¹⁰
Salsola collina

Prickly Russian Thistle ⁹
Salsola tragus

Redstem Springbeauty ¹¹
Claytonia rubra

Canada thistle ¹²
Cirsium arvense

wavyleaf thistle ¹³
Cirsium undulatum

bull thistle ¹⁴
Cirsium vulgare

musk thistle ¹⁵
Carduus nutans

Lesser Burdock ¹⁶
Arctium minus

Cotton Thistle ¹⁷
Onopordum acanthium

Russian knapweed ¹⁸
Leuzea repens

diffuse knapweed ¹⁹
Centaurea diffusa

spotted knapweed ¹³
Centaurea stoebe

Chicory ²⁰
Cichorium intybus

common dandelion ²¹
Taraxacum officinale

spiny sow thistle ²²
Sonchus asper

prickly lettuce ²³
Lactuca serriola

Blue Lettuce ²⁴
Lactuca tatarica

rush skeletonplant ²⁵
Lygodesmia juncea

orange agoseris ²⁶
Agoseris aurantiaca

Prairie False Dandelion ²⁷
Nothocalais cuspidata

yellow salsify ²⁸
Tragopogon dubius

meadow salsify ²⁹
Tragopogon pratensis

dotted gayfeather ³⁰
Liatris punctata

Corn Chamomile ³¹
Anthemis arvensis

Field Wormwood ¹³
Artemisia campestris

Tarragon ¹³
Artemisia dracunculus

fringed sagebrush ³²
Artemisia frigida

silver wormwood ¹³
Artemisia ludoviciana

Fern-leaf Yarrow ³³
Achillea filipendulina

common yarrow ³⁴
Achillea millefolium

pineapple-weed ³⁵
Matricaria discoidea

broom snakeweed ¹³
Gutierrezia sarothrae

rubber rabbitbrush ¹³
Ericameria nauseosa

stiff-leaved goldenrod ¹³
Solidago rigida

Missouri goldenrod ³⁶
Solidago missouriensis

giant goldenrod ³⁷
Solidago gigantea

velvety goldenrod ³⁸
Solidago velutina

White Heath Aster ³⁹
Symphyotrichum ericoides

Largeflower Townsend daisy ⁴⁰
Townsendia grandiflora

Rose-heath ³
Chaetopappa ericoides

hairy goldenaster ¹³
Heterotheca villosa

Horseweed ⁴¹
Erigeron canadensis

spreading fleabane ²⁴
Erigeron divergens

Curly-cup Gumweed ⁴²
Grindelia squarrosa

subalpine gumweed ⁴³
Grindelia subalpina

hoary aster ⁴⁴
Dieteria canescens

sticky aster ¹⁰
Machaeranthera bigelovii

Spiny Ironplant ⁴⁵
Machaeranthera pinnatifida

Tahoka daisy ⁴⁶
Machaeranthera tanacetifolia

broom-like ragwort ³
Senecio spartioides

Fendler's ragwort ⁴⁷
Packera fendleri

New Mexico groundsel ⁴⁸
Packera neomexicana

Prairie Groundsel ⁴⁹
Packera plattensis

Nodding Beggarticks ⁵⁰
Bidens cernua

devil's beggartick ⁵¹
Bidens frondosa

rayless greenthread ⁹
Thelesperma megapotamicum

Engelmann Daisy ⁵²
Engelmannia peristenia

Giant sumpweed ⁵³
Cyclachaena xanthifolia

Common Ragweed ⁵⁴
Ambrosia artemisiifolia

Western Ragweed ⁵⁵
Ambrosia psilostachya

silverleaf povertyweed ⁵⁶
Ambrosia tomentosa

Giant Ragweed ⁵⁷
Ambrosia trifida

poverty weed ⁵⁸
Iva axillaris

rough cocklebur ⁵⁹
Xanthium strumarium

upright prairie coneflower ⁶⁰
Ratibida columnifera

Sunflower ⁶¹
Helianthus annuus

Nuttall's Sunflower ⁶²
Helianthus nuttallii

Prairie Sunflower ⁶³
Helianthus petiolaris

Little Sunflower ⁶⁴
Helianthus pumilus

showy goldeneye ²⁴
Heliomeris multiflora

Rocky Mountain zinnia ¹⁸
Zinnia grandiflora

cowpen daisy ⁶⁵
Verbesina encelioides

great blanketflower ⁶⁶
Gaillardia aristata

Indian Blanket ⁶⁷
Gaillardia pulchella

Hybrid Blanketflower ⁶⁸
Gaillardia × grandiflora

Oppositeleaf False Bahia ¹³
Picradeniopsis oppositifolia

great blue lobelia ⁶⁹
Lobelia siphilitica

Harebell ⁷⁰
Campanula rotundifolia

red-stem filaree ⁷¹
Erodium cicutarium

pinewoods geranium ⁷²
Geranium caespitosum

Poison Ivy ⁷³
Toxicodendron radicans

western poison ivy ⁷⁴
Toxicodendron rydbergii

fragrant sumac ⁷⁵
Rhus aromatica

Skunkbrush ⁹
Rhus aromatica trilobata

Skunkbush Sumac ⁷⁶
Rhus trilobata

boxelder ⁷⁷
Acer negundo

silver maple ⁷⁸
Acer saccharinum

velvetweed ⁹
Oenothera curtiflora

scarlet beeblossom ¹⁸
Oenothera suffrutescens

common evening-primrose ⁷⁹
Oenothera biennis

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

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Plants of Chatfield State Park

salt cedar 1 Tamarix ramosissima

oak-leaved goosefoot 2 Oxybasis glauca

fourwing saltbush 3 Atriplex canescens

Common Orache 4 Atriplex patula

lamb's quarters 5 Chenopodium album

winged pigweed 6 Cycloloma atriplicifolium

winterfat 3 Krascheninnikovia lanata

Slender Snakecotton 7 Froelichia gracilis

Redroot Pigweed 8 Amaranthus retroflexus

kochia 9 Bassia scoparia

Slender Russian-thistle 10 Salsola collina

Prickly Russian Thistle 9 Salsola tragus

Redstem Springbeauty 11 Claytonia rubra

Canada thistle 12 Cirsium arvense

wavyleaf thistle 13 Cirsium undulatum

bull thistle 14 Cirsium vulgare

musk thistle 15 Carduus nutans

Lesser Burdock 16 Arctium minus

Cotton Thistle 17 Onopordum acanthium

Russian knapweed 18 Leuzea repens

diffuse knapweed 19 Centaurea diffusa

spotted knapweed 13 Centaurea stoebe

Chicory 20 Cichorium intybus

common dandelion 21 Taraxacum officinale

spiny sow thistle 22 Sonchus asper

prickly lettuce 23 Lactuca serriola

Blue Lettuce 24 Lactuca tatarica

rush skeletonplant 25 Lygodesmia juncea

orange agoseris 26 Agoseris aurantiaca

Prairie False Dandelion 27 Nothocalais cuspidata

yellow salsify 28 Tragopogon dubius

meadow salsify 29 Tragopogon pratensis

dotted gayfeather 30 Liatris punctata

Corn Chamomile 31 Anthemis arvensis

Field Wormwood 13 Artemisia campestris

Tarragon 13 Artemisia dracunculus

fringed sagebrush 32 Artemisia frigida

silver wormwood 13 Artemisia ludoviciana

Fern-leaf Yarrow 33 Achillea filipendulina

common yarrow 34 Achillea millefolium

pineapple-weed 35 Matricaria discoidea

broom snakeweed 13 Gutierrezia sarothrae

rubber rabbitbrush 13 Ericameria nauseosa

stiff-leaved goldenrod 13 Solidago rigida

Missouri goldenrod 36 Solidago missouriensis

giant goldenrod 37 Solidago gigantea

velvety goldenrod 38 Solidago velutina

White Heath Aster 39 Symphyotrichum ericoides

Largeflower Townsend daisy 40 Townsendia grandiflora

Rose-heath 3 Chaetopappa ericoides

hairy goldenaster 13 Heterotheca villosa

Horseweed 41 Erigeron canadensis

spreading fleabane 24 Erigeron divergens

Curly-cup Gumweed 42 Grindelia squarrosa

subalpine gumweed 43 Grindelia subalpina

hoary aster 44 Dieteria canescens

sticky aster 10 Machaeranthera bigelovii

Spiny Ironplant 45 Machaeranthera pinnatifida

Tahoka daisy 46 Machaeranthera tanacetifolia

broom-like ragwort 3 Senecio spartioides

Fendler's ragwort 47 Packera fendleri

New Mexico groundsel 48 Packera neomexicana

Prairie Groundsel 49 Packera plattensis

Nodding Beggarticks 50 Bidens cernua

devil's beggartick 51 Bidens frondosa

rayless greenthread 9 Thelesperma megapotamicum

Engelmann Daisy 52 Engelmannia peristenia

Giant sumpweed 53 Cyclachaena xanthifolia

Common Ragweed 54 Ambrosia artemisiifolia

Western Ragweed 55 Ambrosia psilostachya

silverleaf povertyweed 56 Ambrosia tomentosa

Giant Ragweed 57 Ambrosia trifida

poverty weed 58 Iva axillaris

rough cocklebur 59 Xanthium strumarium

upright prairie coneflower 60 Ratibida columnifera

Sunflower 61 Helianthus annuus

Nuttall's Sunflower 62 Helianthus nuttallii

Prairie Sunflower 63 Helianthus petiolaris

Little Sunflower 64 Helianthus pumilus