Plants of Jackson Lake State Park

Commonly referred to as an “oasis on the prairie,” Jackson Lake State Park consists of 440 acres of land and 2,700 acres of water, making it one of the largest reservoirs in the state. The reservoir is in Morgan County, bordering Morgan County Road 3, in the Great Plains region of northeastern ...more ↓

Smooth Horsetail ¹
Equisetum laevigatum

Rocky Mountain juniper ²
Juniperus scopulorum

ponderosa pine ³
Pinus ponderosa

white fir ⁴
Abies concolor

blue spruce ⁵
Picea pungens

honey locust ⁶
Gleditsia triacanthos

Alfalfa ⁷
Medicago sativa

White Sweet Clover ⁸
Melilotus albus

yellow sweet clover ⁸
Melilotus officinalis

wild licorice ⁹
Glycyrrhiza lepidota

Slimflower Scrufpea ¹⁰
Pediomelum tenuiflorum

chokecherry ¹¹
Prunus virginiana

Stinging nettle ¹²
Urtica dioica

Siberian elm ⁷
Ulmus pumila

Russian Olive ¹³
Elaeagnus angustifolia

Bractless Blazingstar ¹⁴
Mentzelia nuda

Swamp Milkweed ¹⁵
Asclepias incarnata

showy milkweed ¹⁶
Asclepias speciosa

hemp dogbane ¹⁷
Apocynum cannabinum

common purslane ¹⁸
Portulaca oleracea

Spinystar ¹⁹
Escobaria vivipara

Brittle Pricklypear ²⁰
Opuntia fragilis

brown-spined prickly-pear ²¹
Opuntia phaeacantha

starvation prickly-pear ²²
Opuntia polyacantha

water smartweed ²³
Persicaria amphibia

Oval Leaf Knotweed ²⁴
Polygonum arenastrum

Curly Dock ²⁵
Rumex crispus

red tamarisk ²⁶
Tamarix ramosissima

Fourwing Saltbush ²⁷
Atriplex canescens

Common Lamb's-Quarters ²⁸
Chenopodium album

Redroot Pigweed ²⁹
Amaranthus retroflexus

Kochia ³⁰
Bassia scoparia

Prickly Russian Thistle ²⁷
Salsola tragus

creeping thistle ³¹
Cirsium arvense

bull thistle ³²
Cirsium vulgare

cotton thistle ³³
Onopordum acanthium

chicory ³⁴
Cichorium intybus

common dandelion ³⁵
Taraxacum officinale

prickly lettuce ³⁶
Lactuca serriola

tatarian blue lettuce ³⁷
Lactuca tatarica

rush skeletonplant ³⁸
Lygodesmia juncea

yellow salsify ³⁹
Tragopogon dubius

Dotted Gayfeather ⁷
Liatris punctata

Sand Sagebrush ⁴⁰
Artemisia filifolia

broom snakeweed ⁴¹
Gutierrezia sarothrae

western goldenrod ⁴²
Euthamia occidentalis

yellow rabbitbrush ²¹
Chrysothamnus viscidiflorus

White Prairie Aster ⁴³
Symphyotrichum falcatum

Hairy Goldenaster ⁷
Heterotheca villosa

Canadian Horseweed ⁴⁴
Erigeron canadensis

curlycup gumweed ¹³
Grindelia squarrosa

Riddell's Ragwort ⁴⁵
Senecio riddellii

Broom-like Ragwort ²⁷
Senecio spartioides

Threelobe Beggarticks ⁴⁶
Bidens comosa

Giant Sumpweed ⁴⁷
Cyclachaena xanthifolia

Marshelder ⁴⁸
Cyclachaena xanthiifolia

common ragweed ⁴⁹
Ambrosia artemisiifolia

Western Ragweed ⁵⁰
Ambrosia psilostachya

giant ragweed ⁵¹
Ambrosia trifida

Poverty Weed ⁷
Iva axillaris

rough cocklebur ⁵²
Xanthium strumarium

upright prairie coneflower ⁵³
Ratibida columnifera

common sunflower ⁵⁴
Helianthus annuus

prairie sunflower ⁹
Helianthus petiolaris

Western Poison Ivy ¹³
Toxicodendron rydbergii

Skunkbush Sumac ⁵⁵
Rhus aromatica

Rocky Mountain maple ⁵⁶
Acer glabrum

velvetweed ⁵⁷
Oenothera curtiflora

hairy evening primrose ⁷
Oenothera villosa

Gambel oak ⁵⁸
Quercus gambelii

bur oak ⁵⁹
Quercus macrocarpa

white ash ⁶⁰
Fraxinus americana

Green Ash ⁷
Fraxinus pennsylvanica

Field Mint ⁶¹
Mentha arvensis

Marsh Woundwort ⁶²
Stachys palustris

Bigbract Verbena ²⁷
Verbena bracteata

blue vervain ¹³
Verbena hastata

Ribwort Plantain ⁶³
Plantago lanceolata

thistle poppy ⁶⁴
Argemone polyanthemos

blue columbine ⁶⁵
Aquilegia coerulea

Bush Morning-Glory ⁶⁶
Ipomoea leptophylla

field bindweed ⁶⁷
Convolvulus arvensis

scarlet globemallow ⁷
Sphaeralcea coccinea

Eastern Cottonwood ⁶⁸
Populus deltoides

Narrowleaf Willow ⁷
Salix exigua

Peachleaf Willow ¹³
Salix amygdaloides

Nuttall's Violet ⁶⁹
Viola nuttallii

leafy spurge ⁷⁰
Euphorbia virgata

Phlox Heliotrope ⁷¹
Euploca convolvulacea

puncture vine ⁹
Tribulus terrestris

Heart-podded Hoary Cress ⁷²
Lepidium draba

broadleaved pepperweed ⁷³
Lepidium latifolium

flixweed ⁷⁴
Descurainia sophia

tumble mustard ⁷⁵
Sisymbrium altissimum

Rocky Mountain Beeplant ⁷⁶
Cleomella serrulata

Rocky Mountain Beeplant ¹⁷
Peritoma serrulata

golden currant ⁵⁶
Ribes aureum

Virginia Creeper ⁷⁷
Parthenocissus quinquefolia

Lakeshore Club-Rush ⁷⁸
Schoenoplectus lacustris

Common Three-Square ⁷⁹
Schoenoplectus pungens

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

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Plants of Jackson Lake State Park

Smooth Horsetail 1 Equisetum laevigatum

Rocky Mountain juniper 2 Juniperus scopulorum

ponderosa pine 3 Pinus ponderosa

white fir 4 Abies concolor

blue spruce 5 Picea pungens

honey locust 6 Gleditsia triacanthos

Alfalfa 7 Medicago sativa

White Sweet Clover 8 Melilotus albus

yellow sweet clover 8 Melilotus officinalis

wild licorice 9 Glycyrrhiza lepidota

Slimflower Scrufpea 10 Pediomelum tenuiflorum

chokecherry 11 Prunus virginiana

Stinging nettle 12 Urtica dioica

Siberian elm 7 Ulmus pumila

Russian Olive 13 Elaeagnus angustifolia

Bractless Blazingstar 14 Mentzelia nuda

Swamp Milkweed 15 Asclepias incarnata

showy milkweed 16 Asclepias speciosa

hemp dogbane 17 Apocynum cannabinum

common purslane 18 Portulaca oleracea

Spinystar 19 Escobaria vivipara

Brittle Pricklypear 20 Opuntia fragilis

brown-spined prickly-pear 21 Opuntia phaeacantha

starvation prickly-pear 22 Opuntia polyacantha

water smartweed 23 Persicaria amphibia

Oval Leaf Knotweed 24 Polygonum arenastrum

Curly Dock 25 Rumex crispus

red tamarisk 26 Tamarix ramosissima

Fourwing Saltbush 27 Atriplex canescens

Common Lamb's-Quarters 28 Chenopodium album

Redroot Pigweed 29 Amaranthus retroflexus

Kochia 30 Bassia scoparia

Prickly Russian Thistle 27 Salsola tragus

creeping thistle 31 Cirsium arvense

bull thistle 32 Cirsium vulgare

cotton thistle 33 Onopordum acanthium

chicory 34 Cichorium intybus

common dandelion 35 Taraxacum officinale

prickly lettuce 36 Lactuca serriola

tatarian blue lettuce 37 Lactuca tatarica

rush skeletonplant 38 Lygodesmia juncea

yellow salsify 39 Tragopogon dubius

Dotted Gayfeather 7 Liatris punctata

Sand Sagebrush 40 Artemisia filifolia

broom snakeweed 41 Gutierrezia sarothrae

western goldenrod 42 Euthamia occidentalis

yellow rabbitbrush 21 Chrysothamnus viscidiflorus

White Prairie Aster 43 Symphyotrichum falcatum

Hairy Goldenaster 7 Heterotheca villosa

Canadian Horseweed 44 Erigeron canadensis

curlycup gumweed 13 Grindelia squarrosa

Riddell's Ragwort 45 Senecio riddellii

Broom-like Ragwort 27 Senecio spartioides

Threelobe Beggarticks 46 Bidens comosa

Giant Sumpweed 47 Cyclachaena xanthifolia

Marshelder 48 Cyclachaena xanthiifolia

common ragweed 49 Ambrosia artemisiifolia

Western Ragweed 50 Ambrosia psilostachya

giant ragweed 51 Ambrosia trifida

Poverty Weed 7 Iva axillaris

rough cocklebur 52 Xanthium strumarium

upright prairie coneflower 53 Ratibida columnifera

common sunflower 54 Helianthus annuus

prairie sunflower 9 Helianthus petiolaris

Western Poison Ivy 13 Toxicodendron rydbergii

Skunkbush Sumac 55 Rhus aromatica

Rocky Mountain maple 56 Acer glabrum

velvetweed 57 Oenothera curtiflora

hairy evening primrose 7 Oenothera villosa

Gambel oak 58 Quercus gambelii

bur oak 59 Quercus macrocarpa

white ash 60 Fraxinus americana

Green Ash 7 Fraxinus pennsylvanica

Field Mint 61 Mentha arvensis

Marsh Woundwort 62 Stachys palustris

Bigbract Verbena 27 Verbena bracteata

blue vervain 13 Verbena hastata

Ribwort Plantain 63 Plantago lanceolata

thistle poppy 64 Argemone polyanthemos