Plants of Rifle Falls, Rifle Gap, and Harvey Gap State Parks

Harvey Gap and Rifle Falls are both headquartered at Rifle Gap, and are all within about 4.5 miles of one another.

Harvey Gap is a total of about 320 acres, 160 of which is the reservoir and the other 160 acres are the lands surrounding the reservoir. The park lies at approximately ...more ↓

Creeping Thistle ¹
Cirsium arvense

wavyleaf thistle ²
Cirsium undulatum

bull thistle ³
Cirsium vulgare

Spiny plumeless thistle ⁴
Carduus acanthoides

Musk Thistle ⁵
Carduus nutans

lesser burdock ⁶
Arctium minus

Russian knapweed ⁷
Leuzea repens

common dandelion ⁸
Taraxacum officinale

Tapertip Hawksbeard ⁹
Crepis acuminata

spiny sow thistle ¹⁰
Sonchus asper

prickly lettuce ¹¹
Lactuca serriola

yellow salsify ¹²
Tragopogon dubius

Tarragon ¹³
Artemisia dracunculus

fringed sagebrush ¹⁴
Artemisia frigida

silver wormwood ¹³
Artemisia ludoviciana

black sagebrush ¹³
Artemisia nova

big sagebrush ¹³
Artemisia tridentata

common yarrow ¹⁵
Achillea millefolium

Pineapple-weed ¹⁶
Matricaria discoidea

broom snakeweed ¹³
Gutierrezia sarothrae

Gray Aster ¹⁷
Herrickia glauca

rubber rabbitbrush ¹³
Ericameria nauseosa

Late Goldenrod ¹⁸
Solidago altissima

yellow rabbitbrush ⁷
Chrysothamnus viscidiflorus

Smooth aster ¹⁹
Symphyotrichum laeve

Siskiyou Aster ²⁰
Symphyotrichum lanceolatum hesperium

western aster ¹³
Symphyotrichum ascendens

Western meadow aster ²¹
Symphyotrichum campestre

White Heath Aster ²²
Symphyotrichum ericoides

Rose-heath ²³
Chaetopappa ericoides

hairy goldenaster ¹³
Heterotheca villosa

Canadian horseweed ²⁴
Erigeron canadensis

cut-leaf fleabane ²⁵
Erigeron compositus

Curly-cup Gumweed ¹⁸
Grindelia squarrosa

Gray Horsebrush ¹³
Tetradymia canescens

shortspine horsebrush ¹³
Tetradymia spinosa

Marshelder ²⁶
Cyclachaena xanthiifolia

Western Ragweed ²⁷
Ambrosia psilostachya

poverty weed ¹³
Iva axillaris

rough cocklebur ²⁸
Xanthium strumarium

cutleaf coneflower ²⁹
Rudbeckia laciniata

black-eyed Susan ³⁰
Rudbeckia hirta

common sunflower ³¹
Helianthus annuus

fineleaf woollywhite ³²
Hymenopappus filifolius

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

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Plants of Rifle Falls, Rifle Gap, and Harvey Gap State Parks

Creeping Thistle 1 Cirsium arvense

wavyleaf thistle 2 Cirsium undulatum

bull thistle 3 Cirsium vulgare

Spiny plumeless thistle 4 Carduus acanthoides

Musk Thistle 5 Carduus nutans

lesser burdock 6 Arctium minus

Russian knapweed 7 Leuzea repens

common dandelion 8 Taraxacum officinale

Tapertip Hawksbeard 9 Crepis acuminata

spiny sow thistle 10 Sonchus asper

prickly lettuce 11 Lactuca serriola

yellow salsify 12 Tragopogon dubius

Tarragon 13 Artemisia dracunculus

fringed sagebrush 14 Artemisia frigida

silver wormwood 13 Artemisia ludoviciana

black sagebrush 13 Artemisia nova

big sagebrush 13 Artemisia tridentata

common yarrow 15 Achillea millefolium

Pineapple-weed 16 Matricaria discoidea

broom snakeweed 13 Gutierrezia sarothrae

Gray Aster 17 Herrickia glauca

rubber rabbitbrush 13 Ericameria nauseosa

Late Goldenrod 18 Solidago altissima

yellow rabbitbrush 7 Chrysothamnus viscidiflorus

Smooth aster 19 Symphyotrichum laeve

Siskiyou Aster 20 Symphyotrichum lanceolatum hesperium

western aster 13 Symphyotrichum ascendens

Western meadow aster 21 Symphyotrichum campestre

White Heath Aster 22 Symphyotrichum ericoides

Rose-heath 23 Chaetopappa ericoides

hairy goldenaster 13 Heterotheca villosa

Canadian horseweed 24 Erigeron canadensis

cut-leaf fleabane 25 Erigeron compositus

Curly-cup Gumweed 18 Grindelia squarrosa

Gray Horsebrush 13 Tetradymia canescens

shortspine horsebrush 13 Tetradymia spinosa

Marshelder 26 Cyclachaena xanthiifolia

Western Ragweed 27 Ambrosia psilostachya

poverty weed 13 Iva axillaris

rough cocklebur 28 Xanthium strumarium

cutleaf coneflower 29 Rudbeckia laciniata

black-eyed Susan 30 Rudbeckia hirta

common sunflower 31 Helianthus annuus

fineleaf woollywhite 32 Hymenopappus filifolius