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

Field Horsetail
Equisetum arvense 1
rough horsetail
Equisetum hyemale 2
Smooth Horsetail
Equisetum laevigatum 3
Utah Juniper
Juniperus osteosperma 4
Rocky Mountain Juniper
Juniperus scopulorum 5
common juniper
Juniperus communis 6
Colorado Pinyon
Pinus edulis 7
White Fir
Abies concolor 8
Blue Spruce
Picea pungens 9
Green Mormon tea
Ephedra viridis 10
Honey Locust
Gleditsia triacanthos 11
white clover
Trifolium repens 12
Alfalfa
Medicago sativa 13
black medick
Medicago lupulina 14
white sweetclover
Melilotus albus 14
yellow sweet clover
Melilotus officinalis 14
American vetch
Vicia americana 15
Chickpea Milkvetch
Astragalus cicer 16
Grand Junction milkvetch
Astragalus linifolius 17
wild licorice
Glycyrrhiza lepidota 18
Mountain goldenbean
Thermopsis montana 19
New Mexico locust
Robinia neomexicana 20
Woods' rose
Rosa woodsii 21
alder-leaved mountain-mahogany
Cercocarpus montanus 22
western serviceberry
Amelanchier alnifolia 23
Utah serviceberry
Amelanchier utahensis 13
Cerro hawthorn
Crataegus erythropoda 24
Shiny Cotoneaster
Cotoneaster lucidus 25
chokecherry
Prunus virginiana 26
stinging nettle
Urtica gracilis 27
Siberian elm
Ulmus pumila 13
Russian olive
Elaeagnus angustifolia 28
Red osier dogwood
Cornus sericea 29
Humboldt Mountains Milkweed
Asclepias cryptoceras 30
showy milkweed
Asclepias speciosa 31
Hemp dogbane
Apocynum cannabinum 32
fragrant bedstraw
Galium triflorum 33
claret-cup hedgehog cactus
Echinocereus triglochidiatus 34
brittle prickly-pear cactus
Opuntia fragilis 35
starvation prickly-pear cactus
Opuntia polyacantha 36
water smartweed
Persicaria amphibia 37
bushy knotweed
Polygonum ramosissimum 38
common knotweed
Polygonum arenastrum 39
curly dock
Rumex crispus 40
spearleaf buckwheat
Eriogonum lonchophyllum 41
Gordon's buckwheat
Eriogonum gordonii 42
saltcedar
Tamarix ramosissima 43
fourwing saltbush
Atriplex canescens 44
Shadscale
Atriplex confertifolia 13
lamb's quarters
Chenopodium album 45
pitseed goosefoot
Chenopodium berlandieri 13
winterfat
Krascheninnikovia lanata 44
prostrate pigweed
Amaranthus albus 46
kochia
Bassia scoparia 47
Southern Russian Thistle
Salsola australis 40
Greasewood
Sarcobatus vermiculatus 13
Creeping Thistle
Cirsium arvense 48
wavyleaf thistle
Cirsium undulatum 49
bull thistle
Cirsium vulgare 50
Spiny plumeless thistle
Carduus acanthoides 33
Musk Thistle
Carduus nutans 51
lesser burdock
Arctium minus 52
Russian knapweed
Leuzea repens 53
common dandelion
Taraxacum officinale 54
Tapertip Hawksbeard
Crepis acuminata 55
spiny sow thistle
Sonchus asper 56
prickly lettuce
Lactuca serriola 57
yellow salsify
Tragopogon dubius 58
Tarragon
Artemisia dracunculus 13
fringed sagebrush
Artemisia frigida 59
silver wormwood
Artemisia ludoviciana 13
black sagebrush
Artemisia nova 13
big sagebrush
Artemisia tridentata 13
common yarrow
Achillea millefolium 60
Pineapple-weed
Matricaria discoidea 61
broom snakeweed
Gutierrezia sarothrae 13
Gray Aster
Herrickia glauca 62
rubber rabbitbrush
Ericameria nauseosa 13
Late Goldenrod
Solidago altissima 63
yellow rabbitbrush
Chrysothamnus viscidiflorus 53
Smooth aster
Symphyotrichum laeve 64
Siskiyou Aster
Symphyotrichum lanceolatum hesperium 65
western aster
Symphyotrichum ascendens 13
Western meadow aster
Symphyotrichum campestre 66
White Heath Aster
Symphyotrichum ericoides 67
Rose-heath
Chaetopappa ericoides 68
hairy goldenaster
Heterotheca villosa 13
Canadian horseweed
Erigeron canadensis 69
cut-leaf fleabane
Erigeron compositus 29
Curly-cup Gumweed
Grindelia squarrosa 63
Gray Horsebrush
Tetradymia canescens 13
shortspine horsebrush
Tetradymia spinosa 13
Marshelder
Cyclachaena xanthiifolia 70
Western Ragweed
Ambrosia psilostachya 71
poverty weed
Iva axillaris 13
rough cocklebur
Xanthium strumarium 72
cutleaf coneflower
Rudbeckia laciniata 73
black-eyed Susan
Rudbeckia hirta 74
common sunflower
Helianthus annuus 75
fineleaf woollywhite
Hymenopappus filifolius 18
redstem filaree
Erodium cicutarium 76
Richardson's geranium
Geranium richardsonii 77
pineywoods geranium
Geranium caespitosum 78
western poison ivy
Toxicodendron rydbergii 63
fragrant sumac
Rhus aromatica 26
boxelder maple
Acer negundo 79
Yellow Evening Primrose
Oenothera flava 80
hairy evening primrose
Oenothera villosa 13
Tufted evening primrose
Oenothera cespitosa 80
Gambel oak
Quercus gambelii 81
water birch
Betula occidentalis 82
Speckled Alder
Alnus incana 83
great mullein
Verbascum thapsus 14
Wyoming Indian paintbrush
Castilleja linariifolia 18
common lilac
Syringa vulgaris 84
green ash
Fraxinus pennsylvanica 85
wild bergamot
Monarda fistulosa 86
Corn Mint
Mentha arvensis 87
Marsh Woundwort
Stachys palustris 88
prostrate vervain
Verbena bracteata 44
greater plantain
Plantago major 89
Ribwort Plantain
Plantago lanceolata 90
Common Mare's Tail
Hippuris vulgaris 91
Columbian Monkshood
Aconitum columbianum 92
Alkali Buttercup
Ranunculus cymbalaria 53
western virgin's bower
Clematis ligusticifolia 29
Creeping Mahonia
Berberis repens 13
field bindweed
Convolvulus arvensis 50
Roundleaf Snowberry
Symphoricarpos rotundifolius 93
twinberry honeysuckle
Lonicera involucrata 31
red elderberry
Sambucus racemosa 94
cutleaf water parsnip
Berula erecta 88
Western Water Hemlock
Cicuta douglasii 93
Fendler's cowbane
Oxypolis fendleri 95
Mountain sweet cicely
Osmorhiza berteroi 96
common cowparsnip
Heracleum maximum 97
Hogweed
Heracleum sphondylium 58
scarlet globemallow
Sphaeralcea coccinea 13
dwarf mallow
Malva neglecta 98
bastard toadflax
Comandra umbellata 99
narrowleaf cottonwood
Populus angustifolia 13
eastern cottonwood
Populus deltoides 100
lanceleaf cottonwood
Populus × acuminata 13
Narrowleaf Willow
Salix exigua 13
Mountain Willow
Salix monticola 101
bebb's willow
Salix bebbiana 13
Canada violet
Viola canadensis 102
Lewis flax
Linum lewisii 103
Ribseed Sandmat
Euphorbia glyptosperma 104
Flatspine Stickseed
Lappula occidentalis 105
Hound's-tongue
Cynoglossum officinale 106
Small Alison
Alyssum alyssoides 58
common pepperweed
Lepidium densiflorum 107
Hoary Cress
Lepidium draba 108
clasping pepperweed
Lepidium perfoliatum 109
heartleaf bittercress
Cardamine cordifolia 74
watercress
Nasturtium officinale 44
Double Bladderpod
Physaria acutifolia 80
Field Penny-cress
Thlaspi arvense 91
crossflower
Chorispora tenella 110
littlepod false flax
Camelina microcarpa 74
flixweed
Descurainia sophia 111
tumble mustard
Sisymbrium altissimum 112
golden currant
Ribes aureum 22
white-stemmed gooseberry
Ribes inerme 113
sea clubrush
Bolboschoenus maritimus 114
Woolly Sedge
Carex lanuginosa 115
Nebraska sedge
Carex nebrascensis 13
Geyer's sedge
Carex geyeri 13
Common Spike-rush
Eleocharis palustris 116
Barnyardgrass
Echinochloa crus-galli 117
Fowl Mannagrass
Glyceria striata 118
Redtop
Agrostis gigantea 119
Bluejoint
Calamagrostis canadensis 13
June Grass
Koeleria macrantha 13
orchard grass
Dactylis glomerata 13
Tall Fescue
Festuca arundinacea 120
Reed Canarygrass
Phalaris arundinacea 121
Annual Meadow-grass
Poa annua 122
Bulbous Bluegrass
Poa bulbosa 123
muttongrass
Poa fendleriana 13
Kentucky bluegrass
Poa pratensis 124
Pine bluegrass
Poa secunda 13
Timothy
Phleum pratense 125
short-awn foxtail
Alopecurus aequalis 13
american slough grass
Beckmannia syzigachne 126
Smooth Brome
Bromus inermis 127
Japanese Brome
Bromus japonicus 13
Cheatgrass
Bromus tectorum 128
Intermediate Wheatgrass
Thinopyrum intermedium 129
Bluebunch Wheatgrass
Pseudoroegneria spicata 130
Western Wheatgrass
Pascopyrum smithii 59
Canada Wild Rye
Elymus canadensis 131
squirreltail
Elymus elymoides 13
blue wild rye
Elymus glaucus 13
Streamside Wild Rye
Elymus lanceolatus 13
Quack Grass
Elymus repens 13
Slender Wheatgrass
Elymus trachycaulus 117
Meadow barley
Hordeum brachyantherum 13
Foxtail Barley
Hordeum jubatum 132
Great Basin Wildrye
Leymus cinereus 95
crested wheatgrass
Agropyron cristatum 133
Needle-and-Thread
Hesperostipa comata 134
green needlegrass
Nassella viridula 13
Indian ricegrass
Achnatherum hymenoides 43
common reed
Phragmites australis 135
sand dropseed
Sporobolus cryptandrus 13
James' galleta
Hilaria jamesii 136
Salt Grass
Distichlis spicata 137
scratch grass
Muhlenbergia asperifolia 40
narrowleaf cattail
Typha angustifolia 138
broadleaf cattail
Typha latifolia 139
Arctic rush
Juncus arcticus 140
hooded ladies' tresses
Spiranthes romanzoffiana 141
Slender Bog Orchid
Platanthera stricta 142
star-flowered lily-of-the-valley
Maianthemum stellatum 143
Iris × hybrida
Iris × hybrida 144
tapertip onion
Allium acuminatum 13
Sego lily
Calochortus nuttallii 145
Rough-Fruited Fairybells
Prosartes trachycarpa 145
common duckweed
Lemna minor 46
Horned Pondweed
Zannichellia palustris 146
Photos:
  • 1. (c) Frank Mayfield, some rights reserved (CC BY-SA)
  • 2. (c) Brian Starzomski, some rights reserved (CC BY-NC), uploaded by Brian Starzomski
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