Plants of Sweitzer Lake State Park

Sweitzer Lake State Park is located 3 miles south of the town of Delta, CO. The park lies at 5,000 feet elevation and encompasses about 137 acres of water and about 70 acres of land at the toe of the Garnet Mesa. The area is semi-arid with an average annual precipitation of about 12 inches. The ...more ↓

rough horsetail ¹
Equisetum hyemale

Smooth Horsetail ²
Equisetum laevigatum

Torrey's Mormon tea ³
Ephedra torreyana

white clover ⁴
Trifolium repens

yellow sweet clover ⁵
Melilotus officinalis

Siberian elm ²
Ulmus pumila

Russian Olive ⁶
Elaeagnus angustifolia

showy milkweed ⁷
Asclepias speciosa

Oval Leaf Knotweed ⁸
Polygonum arenastrum

prostrate knotweed ²
Polygonum aviculare

Curly dock ⁹
Rumex crispus

red tamarisk ¹⁰
Tamarix ramosissima

Mat saltbush ¹¹
Atriplex corrugata

Gardner's Saltbush ¹²
Atriplex gardneri

Twoscale Saltbush ¹³
Atriplex micrantha

pitseed goosefoot ²
Chenopodium berlandieri

procumbent pigweed ¹⁴
Amaranthus blitoides

Redroot Pigweed ¹⁵
Amaranthus retroflexus

Kochia ¹⁶
Bassia scoparia

Saltlover ¹⁷
Halogeton glomeratus

bush seepweed ¹⁸
Suaeda nigra

Greasewood ²
Sarcobatus vermiculatus

Russian knapweed ¹⁹
Leuzea repens

common dandelion ²⁰
Taraxacum officinale

prickly lettuce ²¹
Lactuca serriola

yellow salsify ²²
Tragopogon dubius

Rubber Rabbitbrush ²
Ericameria nauseosa nauseosa

Willow baccharis ²³
Baccharis salicina

broom snakeweed ²
Gutierrezia sarothrae

Pacific aster ²⁴
Symphyotrichum chilense

Horseweed ²⁵
Conyza canadensis

Hoary tansyaster ³
Dieteria canescens

Poverty weed ²
Iva axillaris

common sunflower ²⁶
Helianthus annuus

redstem filaree ²⁷
Erodium cicutarium

hairy evening primrose ²
Oenothera villosa

Tufted evening primrose ²⁸
Oenothera cespitosa

small-flower Indian-paintbrush ²⁹
Castilleja minor

woolly plantain ²
Plantago patagonica

Alkali Buttercup ¹⁹
Ranunculus cymbalaria

bur buttercup ³⁰
Ceratocephala testiculata

field bindweed ³¹
Convolvulus arvensis

scarlet globemallow ²
Sphaeralcea coccinea

dwarf mallow ³²
Malva neglecta

eastern cottonwood ³³
Populus deltoides

Lanceleaf cottonwood ²
Populus × acuminata

Narrowleaf Willow ²
Salix exigua

Flatspine Stickseed ⁶
Lappula redowskii

Alyssum ²²
Alyssum simplex

Whitetop ³⁴
Lepidium draba

clasping pepperweed ³⁵
Lepidium perfoliatum

Field Penny-cress ³⁶
Thlaspi arvense

littlepod false flax ³⁷
Camelina microcarpa

western tansy mustard ²
Descurainia pinnata

flixweed ³⁸
Descurainia sophia

tumble mustard ⁸
Sisymbrium altissimum

Lakeshore Club-rush ³⁹
Schoenoplectus lacustris

Common Three-Square ⁴⁰
Schoenoplectus pungens

sea clubrush ⁴¹
Bolboschoenus maritimus

Woolly Sedge ⁴²
Carex lanuginosa

Common Spike-rush ⁴³
Eleocharis palustris

Barnyardgrass ⁴⁴
Echinochloa crus-galli

witch grass ⁴⁵
Panicum capillare

Redtop ⁴⁶
Agrostis gigantea

Kentucky Bluegrass ²
Poa pratensis

rabbitfoot grass ¹⁴
Polypogon monspeliensis

Smooth Brome ⁴⁷
Bromus inermis

Cheatgrass ³⁹
Bromus tectorum

Western Wheatgrass ⁴⁸
Pascopyrum smithii

Squirreltail ²
Elymus elymoides

Intermediate wheatgrass ⁴⁹
Elymus hispidus

Foxtail Barley ⁵⁰
Hordeum jubatum

Clustered Wheat Grass ⁵¹
Agropyron desertorum

Indian Ricegrass ¹⁰
Achnatherum hymenoides

Tall Fescue ²
Festuca arundinacea

Reed Canarygrass ⁵²
Phalaris arundinacea

common reed ¹⁴
Phragmites australis

Salt Grass ¹⁸
Distichlis spicata

scratch grass ⁵³
Muhlenbergia asperifolia

Mat muhly ²
Muhlenbergia richardsonis

narrow-leaved cattail ⁵⁴
Typha angustifolia

broad-leaved cattail ⁵⁵
Typha latifolia

Arctic rush ⁵⁶
Juncus arcticus

Torrey's Rush ⁵⁷
Juncus torreyi

wild asparagus ⁵⁸
Asparagus officinalis

common duckweed ⁵⁹
Lemna minor

Longleaf Pondweed ³
Potamogeton nodosus

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

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Plants of Sweitzer Lake State Park

rough horsetail 1 Equisetum hyemale

Smooth Horsetail 2 Equisetum laevigatum

Torrey's Mormon tea 3 Ephedra torreyana

white clover 4 Trifolium repens

yellow sweet clover 5 Melilotus officinalis

Siberian elm 2 Ulmus pumila

Russian Olive 6 Elaeagnus angustifolia

showy milkweed 7 Asclepias speciosa

Oval Leaf Knotweed 8 Polygonum arenastrum

prostrate knotweed 2 Polygonum aviculare

Curly dock 9 Rumex crispus

red tamarisk 10 Tamarix ramosissima

Mat saltbush 11 Atriplex corrugata

Gardner's Saltbush 12 Atriplex gardneri

Twoscale Saltbush 13 Atriplex micrantha

pitseed goosefoot 2 Chenopodium berlandieri

procumbent pigweed 14 Amaranthus blitoides

Redroot Pigweed 15 Amaranthus retroflexus

Kochia 16 Bassia scoparia

Saltlover 17 Halogeton glomeratus

bush seepweed 18 Suaeda nigra

Greasewood 2 Sarcobatus vermiculatus

Russian knapweed 19 Leuzea repens

common dandelion 20 Taraxacum officinale

prickly lettuce 21 Lactuca serriola

yellow salsify 22 Tragopogon dubius

Rubber Rabbitbrush 2 Ericameria nauseosa nauseosa

Willow baccharis 23 Baccharis salicina

broom snakeweed 2 Gutierrezia sarothrae

Pacific aster 24 Symphyotrichum chilense

Horseweed 25 Conyza canadensis

Hoary tansyaster 3 Dieteria canescens

Poverty weed 2 Iva axillaris

common sunflower 26 Helianthus annuus

redstem filaree 27 Erodium cicutarium

hairy evening primrose 2 Oenothera villosa

Tufted evening primrose 28 Oenothera cespitosa

small-flower Indian-paintbrush 29 Castilleja minor

woolly plantain 2 Plantago patagonica

Alkali Buttercup 19 Ranunculus cymbalaria

bur buttercup 30 Ceratocephala testiculata

field bindweed 31 Convolvulus arvensis

scarlet globemallow 2 Sphaeralcea coccinea

dwarf mallow 32 Malva neglecta

eastern cottonwood 33 Populus deltoides

Lanceleaf cottonwood 2 Populus × acuminata

Narrowleaf Willow 2 Salix exigua

Flatspine Stickseed 6 Lappula redowskii

Alyssum 22 Alyssum simplex

Whitetop 34 Lepidium draba

clasping pepperweed 35 Lepidium perfoliatum

Field Penny-cress 36 Thlaspi arvense

littlepod false flax 37 Camelina microcarpa

western tansy mustard 2 Descurainia pinnata

flixweed 38 Descurainia sophia

tumble mustard 8 Sisymbrium altissimum

Lakeshore Club-rush 39 Schoenoplectus lacustris

Common Three-Square 40 Schoenoplectus pungens

sea clubrush 41 Bolboschoenus maritimus

Woolly Sedge 42 Carex lanuginosa

Common Spike-rush 43 Eleocharis palustris

Barnyardgrass 44 Echinochloa crus-galli

witch grass 45 Panicum capillare

Redtop 46 Agrostis gigantea

Kentucky Bluegrass 2 Poa pratensis

rabbitfoot grass 14 Polypogon monspeliensis

Smooth Brome 47 Bromus inermis

Cheatgrass 39 Bromus tectorum

Western Wheatgrass 48 Pascopyrum smithii

Squirreltail 2 Elymus elymoides

Intermediate wheatgrass 49 Elymus hispidus

Foxtail Barley 50 Hordeum jubatum

Clustered Wheat Grass 51 Agropyron desertorum

Indian Ricegrass 10 Achnatherum hymenoides

Tall Fescue 2 Festuca arundinacea

Reed Canarygrass 52 Phalaris arundinacea

common reed 14 Phragmites australis

Salt Grass 18 Distichlis spicata

scratch grass 53 Muhlenbergia asperifolia