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 ↓

honey locust ¹
Gleditsia triacanthos

Alfalfa ²
Medicago sativa

White Sweet Clover ³
Melilotus albus

yellow sweet clover ³
Melilotus officinalis

wild licorice ⁴
Glycyrrhiza lepidota

Slimflower Scrufpea ⁵
Pediomelum tenuiflorum

chokecherry ⁶
Prunus virginiana

Stinging nettle ⁷
Urtica dioica

Siberian elm ²
Ulmus pumila

Russian Olive ⁸
Elaeagnus angustifolia

Bractless Blazingstar ⁹
Mentzelia nuda

Swamp Milkweed ¹⁰
Asclepias incarnata

showy milkweed ¹¹
Asclepias speciosa

hemp dogbane ¹²
Apocynum cannabinum

common purslane ¹³
Portulaca oleracea

Spinystar ¹⁴
Escobaria vivipara

Brittle Pricklypear ¹⁵
Opuntia fragilis

brown-spined prickly-pear ¹⁶
Opuntia phaeacantha

starvation prickly-pear ¹⁷
Opuntia polyacantha

water smartweed ¹⁸
Persicaria amphibia

Oval Leaf Knotweed ¹⁹
Polygonum arenastrum

Curly Dock ²⁰
Rumex crispus

red tamarisk ²¹
Tamarix ramosissima

Fourwing Saltbush ²²
Atriplex canescens

Common Lamb's-Quarters ²³
Chenopodium album

Redroot Pigweed ²⁴
Amaranthus retroflexus

Kochia ²⁵
Bassia scoparia

Prickly Russian Thistle ²²
Salsola tragus

creeping thistle ²⁶
Cirsium arvense

bull thistle ²⁷
Cirsium vulgare

cotton thistle ²⁸
Onopordum acanthium

chicory ²⁹
Cichorium intybus

common dandelion ³⁰
Taraxacum officinale

prickly lettuce ³¹
Lactuca serriola

tatarian blue lettuce ³²
Lactuca tatarica

rush skeletonplant ³³
Lygodesmia juncea

yellow salsify ³⁴
Tragopogon dubius

Dotted Gayfeather ²
Liatris punctata

Sand Sagebrush ³⁵
Artemisia filifolia

broom snakeweed ³⁶
Gutierrezia sarothrae

western goldenrod ³⁷
Euthamia occidentalis

yellow rabbitbrush ¹⁶
Chrysothamnus viscidiflorus

White Prairie Aster ³⁸
Symphyotrichum falcatum

Hairy Goldenaster ²
Heterotheca villosa

Canadian Horseweed ³⁹
Erigeron canadensis

curlycup gumweed ⁸
Grindelia squarrosa

Riddell's Ragwort ⁴⁰
Senecio riddellii

Broom-like Ragwort ²²
Senecio spartioides

Threelobe Beggarticks ⁴¹
Bidens comosa

Giant Sumpweed ⁴²
Cyclachaena xanthifolia

Marshelder ⁴³
Cyclachaena xanthiifolia

common ragweed ⁴⁴
Ambrosia artemisiifolia

Western Ragweed ⁴⁵
Ambrosia psilostachya

giant ragweed ⁴⁶
Ambrosia trifida

Poverty Weed ²
Iva axillaris

rough cocklebur ⁴⁷
Xanthium strumarium

upright prairie coneflower ⁴⁸
Ratibida columnifera

common sunflower ⁴⁹
Helianthus annuus

prairie sunflower ⁴
Helianthus petiolaris

Western Poison Ivy ⁸
Toxicodendron rydbergii

Skunkbush Sumac ⁵⁰
Rhus aromatica

Rocky Mountain maple ⁵¹
Acer glabrum

velvetweed ⁵²
Oenothera curtiflora

hairy evening primrose ²
Oenothera villosa

Gambel oak ⁵³
Quercus gambelii

bur oak ⁵⁴
Quercus macrocarpa

white ash ⁵⁵
Fraxinus americana

Green Ash ²
Fraxinus pennsylvanica

Field Mint ⁵⁶
Mentha arvensis

Marsh Woundwort ⁵⁷
Stachys palustris

Bigbract Verbena ²²
Verbena bracteata

blue vervain ⁸
Verbena hastata

Ribwort Plantain ⁵⁸
Plantago lanceolata

thistle poppy ⁵⁹
Argemone polyanthemos

blue columbine ⁶⁰
Aquilegia coerulea

Bush Morning-Glory ⁶¹
Ipomoea leptophylla

field bindweed ⁶²
Convolvulus arvensis

scarlet globemallow ²
Sphaeralcea coccinea

Eastern Cottonwood ⁶³
Populus deltoides

Narrowleaf Willow ²
Salix exigua

Peachleaf Willow ⁸
Salix amygdaloides

Nuttall's Violet ⁶⁴
Viola nuttallii

leafy spurge ⁶⁵
Euphorbia virgata

Phlox Heliotrope ⁶⁶
Euploca convolvulacea

puncture vine ⁴
Tribulus terrestris

Heart-podded Hoary Cress ⁶⁷
Lepidium draba

broadleaved pepperweed ⁶⁸
Lepidium latifolium

flixweed ⁶⁹
Descurainia sophia

tumble mustard ⁷⁰
Sisymbrium altissimum

Rocky Mountain Beeplant ⁷¹
Cleomella serrulata

Rocky Mountain Beeplant ¹²
Peritoma serrulata

golden currant ⁵¹
Ribes aureum

Virginia Creeper ⁷²
Parthenocissus quinquefolia

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

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Plants of Jackson Lake State Park

honey locust 1 Gleditsia triacanthos

Alfalfa 2 Medicago sativa

White Sweet Clover 3 Melilotus albus

yellow sweet clover 3 Melilotus officinalis

wild licorice 4 Glycyrrhiza lepidota

Slimflower Scrufpea 5 Pediomelum tenuiflorum

chokecherry 6 Prunus virginiana

Stinging nettle 7 Urtica dioica

Siberian elm 2 Ulmus pumila

Russian Olive 8 Elaeagnus angustifolia

Bractless Blazingstar 9 Mentzelia nuda

Swamp Milkweed 10 Asclepias incarnata

showy milkweed 11 Asclepias speciosa

hemp dogbane 12 Apocynum cannabinum

common purslane 13 Portulaca oleracea

Spinystar 14 Escobaria vivipara

Brittle Pricklypear 15 Opuntia fragilis

brown-spined prickly-pear 16 Opuntia phaeacantha

starvation prickly-pear 17 Opuntia polyacantha

water smartweed 18 Persicaria amphibia

Oval Leaf Knotweed 19 Polygonum arenastrum

Curly Dock 20 Rumex crispus

red tamarisk 21 Tamarix ramosissima

Fourwing Saltbush 22 Atriplex canescens

Common Lamb's-Quarters 23 Chenopodium album

Redroot Pigweed 24 Amaranthus retroflexus

Kochia 25 Bassia scoparia

Prickly Russian Thistle 22 Salsola tragus

creeping thistle 26 Cirsium arvense

bull thistle 27 Cirsium vulgare

cotton thistle 28 Onopordum acanthium

chicory 29 Cichorium intybus

common dandelion 30 Taraxacum officinale

prickly lettuce 31 Lactuca serriola

tatarian blue lettuce 32 Lactuca tatarica

rush skeletonplant 33 Lygodesmia juncea

yellow salsify 34 Tragopogon dubius

Dotted Gayfeather 2 Liatris punctata

Sand Sagebrush 35 Artemisia filifolia

broom snakeweed 36 Gutierrezia sarothrae

western goldenrod 37 Euthamia occidentalis

yellow rabbitbrush 16 Chrysothamnus viscidiflorus

White Prairie Aster 38 Symphyotrichum falcatum

Hairy Goldenaster 2 Heterotheca villosa

Canadian Horseweed 39 Erigeron canadensis

curlycup gumweed 8 Grindelia squarrosa

Riddell's Ragwort 40 Senecio riddellii

Broom-like Ragwort 22 Senecio spartioides

Threelobe Beggarticks 41 Bidens comosa

Giant Sumpweed 42 Cyclachaena xanthifolia

Marshelder 43 Cyclachaena xanthiifolia

common ragweed 44 Ambrosia artemisiifolia

Western Ragweed 45 Ambrosia psilostachya

giant ragweed 46 Ambrosia trifida

Poverty Weed 2 Iva axillaris

rough cocklebur 47 Xanthium strumarium

upright prairie coneflower 48 Ratibida columnifera

common sunflower 49 Helianthus annuus

prairie sunflower 4 Helianthus petiolaris

Western Poison Ivy 8 Toxicodendron rydbergii

Skunkbush Sumac 50 Rhus aromatica

Rocky Mountain maple 51 Acer glabrum

velvetweed 52 Oenothera curtiflora

hairy evening primrose 2 Oenothera villosa

Gambel oak 53 Quercus gambelii

bur oak 54 Quercus macrocarpa

white ash 55 Fraxinus americana

Green Ash 2 Fraxinus pennsylvanica

Field Mint 56 Mentha arvensis

Marsh Woundwort 57 Stachys palustris

Bigbract Verbena 22 Verbena bracteata

blue vervain 8 Verbena hastata

Ribwort Plantain 58 Plantago lanceolata

thistle poppy 59 Argemone polyanthemos

blue columbine 60 Aquilegia coerulea

Bush Morning-Glory 61 Ipomoea leptophylla

field bindweed 62 Convolvulus arvensis

scarlet globemallow 2 Sphaeralcea coccinea

Eastern Cottonwood 63 Populus deltoides