Denver-Boulder Metro Area: Grasses, Sedges, and Allies

This guide contains grasses, sedges, and rushes that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

hardstem bulrush ¹
Schoenoplectus acutus

American three-square bulrush ²
Schoenoplectus americanus

three-square bulrush ³
Schoenoplectus pungens

soft-stemmed bulrush ⁴
Schoenoplectus tabernaemontani

sea clubrush ⁵
Bolboschoenus maritimus

White Mountain Sedge ⁶
Carex geophila

Long-stolon Sedge ⁷
Carex inops

Sun Sedge ⁸
Carex inops heliophila

Ross's sedge ⁹
Carex rossii

Blackened Sedge ¹⁰
Carex atrosquama

water sedge ¹¹
Carex aquatilis

Emory's sedge ¹²
Carex emoryi

Nebraska sedge ⁷
Carex nebrascensis

Golden Sedge ¹³
Carex aurea

bottlebrush sedge ¹⁴
Carex hystericina

Northwest Territory sedge ¹⁵
Carex utriculata

inflated sedge ⁵
Carex vesicaria

Crawe's sedge ¹⁶
Carex crawei

longbeak sedge ⁷
Carex sprengelii

Tall Bog-sedge ¹⁷
Carex magellanica

woolly sedge ¹⁸
Carex pellita

inland sedge ¹⁹
Carex interior

hoary sedge ²⁰
Carex canescens

dry land sedge ²¹
Carex siccata

Douglas' sedge ⁷
Carex douglasii

spikeletrush sedge ²²
Carex duriuscula

field sedge ²³
Carex praegracilis

Analogue Sedge ²⁴
Carex simulata

Awl-fruited Sedge ²⁵
Carex stipata

long-bracted sedge ²⁶
Carex athrostachya

Bebb's Sedge ²⁷
Carex bebbii

Shortbeak Sedge ²⁸
Carex brevior

Ebony Sedge ⁸
Carex ebenea

straw sedge ²⁹
Carex foenea

Cloud Sedge ³⁰
Carex haydeniana

small-winged sedge ¹¹
Carex microptera

starry broomsedge ¹⁵
Carex pachystachya

fox sedge ³¹
Carex vulpinoidea

two-seeded sedge ²¹
Carex disperma

globe sedge ³²
Carex perglobosa

threadleaf sedge ³³
Carex filifolia

Grassyslope Sedge ⁶
Carex oreocharis

Geyer's sedge ⁷
Carex geyeri

Rocky Mountain Sedge ³⁴
Carex saximontana

Short-point Flatsedge ³⁵
Cyperus acuminatus

Shining Flatsedge ³⁶
Cyperus bipartitus

redroot flatsedge ²¹
Cyperus erythrorhizos

Great Plains Flatsedge ³⁷
Cyperus lupulinus

Fragrant flatsedge ³⁸
Cyperus odoratus

Bearded Flatsedge ³⁹
Cyperus squarrosus

Needle Spikerush ⁴⁰
Eleocharis acicularis

Few-flower Spikerush ⁴¹
Eleocharis quinqueflora

Beaked Spikerush ⁴²
Eleocharis rostellata

Common Spike-rush ⁴³
Eleocharis palustris

Panicled Bulrush ⁷
Scirpus microcarpus

nodding bulrush ⁴⁴
Scirpus pendulus

dark green bulrush ⁴⁵
Scirpus atrovirens

Pale Bulrush ⁴⁶
Scirpus pallidus

Common Cotton-grass ⁴⁷
Eriophorum angustifolium

rice cutgrass ³⁸
Leersia oryzoides

Hairy Crabgrass ⁴⁸
Digitaria sanguinalis

barnyardgrass ²⁷
Echinochloa crus-galli

yellow foxtail ³⁶
Setaria pumila

hooked bristle grass ⁴⁹
Setaria verticillata

Green Bristle Grass ⁵⁰
Setaria viridis

mat sandbur ⁵¹
Cenchrus longispinus

hairy rosette-panicgrass ⁵²
Dichanthelium acuminatum

Heller's Rosette Grass ³⁷
Dichanthelium oligosanthes

Scribner's Panicgrass ⁵³
Dichanthelium scribnerianum

witch grass ⁴⁸
Panicum capillare

Proso Millet ⁵⁴
Panicum miliaceum

switchgrass ³⁷
Panicum virgatum

little bluestem ⁵⁵
Schizachyrium scoparium

big bluestem ⁵⁶
Andropogon gerardi

Sand Bluestem ⁵⁷
Andropogon hallii

King Ranch bluestem ⁵⁸
Bothriochloa ischaemum

Silver bluestem ⁵²
Bothriochloa laguroides

Indiangrass ³⁶
Sorghastrum nutans

Sorghum ⁵⁹
Sorghum bicolor

Johnson grass ⁶⁰
Sorghum halepense

inland wood oats ⁶¹
Chasmanthium latifolium

boreal manna grass ¹⁵
Glyceria borealis

fowl manna grass ⁷
Glyceria elata

American manna grass ²⁴
Glyceria grandis

Fowl Mannagrass ⁶²
Glyceria striata

redtop ⁶³
Agrostis gigantea

ticklegrass ¹¹
Agrostis scabra

creeping bentgrass ⁷
Agrostis stolonifera

canadian bluejoint ⁶⁴
Calamagrostis canadensis

Purple Reedgrass ⁶⁵
Calamagrostis purpurascens

Slim-stem Small-reedgrass ⁶⁶
Calamagrostis stricta

rabbitfoot grass ⁶⁷
Polypogon monspeliensis

northern sweetgrass ³⁷
Anthoxanthum hirtum

wild oat ⁶⁸
Avena fatua

prairie junegrass ⁶⁹
Koeleria macrantha

spike trisetum ⁷
Trisetum spicatum

tall oat grass ⁷⁰
Arrhenatherum elatius

Quaking-grass ⁷¹
Briza media

nuttall's alkali grass ⁴¹
Puccinellia nuttalliana

crested dogtail grass ⁷²
Cynosurus cristatus

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

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14. Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich. 1998. Field guide to Intermountain sedges. General Technical Report RMS-GTR-10. USDA Forest Service, RMRS, Ogden. Courtesy of USDA FS RMRS Boise Aquatic Sciences Lab., sem restrições de direitos de autor conhecidas (domínio público)
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Denver-Boulder Metro Area: Grasses, Sedges, and Allies

hardstem bulrush 1 Schoenoplectus acutus

American three-square bulrush 2 Schoenoplectus americanus

three-square bulrush 3 Schoenoplectus pungens

soft-stemmed bulrush 4 Schoenoplectus tabernaemontani

sea clubrush 5 Bolboschoenus maritimus

White Mountain Sedge 6 Carex geophila

Long-stolon Sedge 7 Carex inops

Sun Sedge 8 Carex inops heliophila

Ross's sedge 9 Carex rossii

Blackened Sedge 10 Carex atrosquama

water sedge 11 Carex aquatilis

Emory's sedge 12 Carex emoryi

Nebraska sedge 7 Carex nebrascensis

Golden Sedge 13 Carex aurea

bottlebrush sedge 14 Carex hystericina

Northwest Territory sedge 15 Carex utriculata

inflated sedge 5 Carex vesicaria

Crawe's sedge 16 Carex crawei

longbeak sedge 7 Carex sprengelii

Tall Bog-sedge 17 Carex magellanica

woolly sedge 18 Carex pellita

inland sedge 19 Carex interior

hoary sedge 20 Carex canescens

dry land sedge 21 Carex siccata

Douglas' sedge 7 Carex douglasii

spikeletrush sedge 22 Carex duriuscula

field sedge 23 Carex praegracilis

Analogue Sedge 24 Carex simulata

Awl-fruited Sedge 25 Carex stipata

long-bracted sedge 26 Carex athrostachya

Bebb's Sedge 27 Carex bebbii

Shortbeak Sedge 28 Carex brevior

Ebony Sedge 8 Carex ebenea

straw sedge 29 Carex foenea

Cloud Sedge 30 Carex haydeniana

small-winged sedge 11 Carex microptera

starry broomsedge 15 Carex pachystachya

fox sedge 31 Carex vulpinoidea

two-seeded sedge 21 Carex disperma

globe sedge 32 Carex perglobosa

threadleaf sedge 33 Carex filifolia

Grassyslope Sedge 6 Carex oreocharis

Geyer's sedge 7 Carex geyeri

Rocky Mountain Sedge 34 Carex saximontana

Short-point Flatsedge 35 Cyperus acuminatus

Shining Flatsedge 36 Cyperus bipartitus

redroot flatsedge 21 Cyperus erythrorhizos

Great Plains Flatsedge 37 Cyperus lupulinus

Fragrant flatsedge 38 Cyperus odoratus

Bearded Flatsedge 39 Cyperus squarrosus

Needle Spikerush 40 Eleocharis acicularis

Few-flower Spikerush 41 Eleocharis quinqueflora

Beaked Spikerush 42 Eleocharis rostellata

Common Spike-rush 43 Eleocharis palustris

Panicled Bulrush 7 Scirpus microcarpus

nodding bulrush 44 Scirpus pendulus

dark green bulrush 45 Scirpus atrovirens

Pale Bulrush 46 Scirpus pallidus

Common Cotton-grass 47 Eriophorum angustifolium

rice cutgrass 38 Leersia oryzoides

Hairy Crabgrass 48 Digitaria sanguinalis

barnyardgrass 27 Echinochloa crus-galli

yellow foxtail 36 Setaria pumila

hooked bristle grass 49 Setaria verticillata

Green Bristle Grass 50 Setaria viridis

mat sandbur 51 Cenchrus longispinus

hairy rosette-panicgrass 52 Dichanthelium acuminatum

Heller's Rosette Grass 37 Dichanthelium oligosanthes

Scribner's Panicgrass 53 Dichanthelium scribnerianum

witch grass 48 Panicum capillare

Proso Millet 54 Panicum miliaceum

switchgrass 37 Panicum virgatum

little bluestem 55 Schizachyrium scoparium

big bluestem 56 Andropogon gerardi

Sand Bluestem 57 Andropogon hallii

King Ranch bluestem 58 Bothriochloa ischaemum

Silver bluestem 52 Bothriochloa laguroides

Indiangrass 36 Sorghastrum nutans

Sorghum 59 Sorghum bicolor