Home/Species/ Colorado Woodrush

Luzula subcapitata

(Rydb.) Harrington

Colorado Woodrush

G3Vulnerable Found in 3 roadless areas NatureServe Explorer →

G3VulnerableGlobal Rank

UnknownThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.139560

Element CodePMJUN020L0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassMonocotyledoneae

OrderJuncales

FamilyJuncaceae

GenusLuzula

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Conservation Status

Rank MethodExpertise without calculation

Review Date2013-07-15

Change Date2016-05-26

Edition Date2013-07-15

Edition AuthorsMorse, Larry E. (1999); rev. Handwerk, J. (2013)

Threat ImpactUnknown

Range Extent20,000-200,000 square km (about 8000-80,000 square miles)

Number of Occurrences21 - 80

Rank Reasons

Colorado endemic known from subalpine and alpine fens and wet meadows of
the high mountain ranges of Colorado.

Range Extent Comments

Known from Chaffee, Eagle, Gilpin, Grand, Gunnison, Hinsdale, Park, Larimer, San Juan and Summit counties. (Historical records from Boulder, Clear Creek, Lake, Mineral, Pitkin and Saguache counties.) From CNHP Wetland Guide 2012: found throughout high mountain ranges in Colorado.

Occurrences Comments

There are currently five occurrences in the CNHP database, 2 of the 5 have not been observed in greater than 20 years (2013); an additional 30+ occurrences are expected from herbarium specimens.

Threat Impact Comments

Hydrologic alterations are the primary threat to this species.

Ecology & Habitat

Diagnostic Characteristics

From CNHP Wetland Guide 2012: Main Characteristics:
·Capitate spike, sessile
·Tepals very dark brown color
·Leaf blades 5-8 mm wide

Other Nations (1)

United StatesN3

Province	Rank	Native
Wyoming	S1	Yes
Colorado	S3	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (3)

Wyoming (3)

Area	Forest	Acres
French Creek	Medicine Bow-Routt National Forest	5,928
Libby Flats	Medicine Bow-Routt National Forest	11,107
Snowy Range	Medicine Bow-Routt National Forest	29,660

References (4)

Flora of North America Editorial Committee (FNA). 2000. Flora of North America north of Mexico. Vol. 22. Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York. xxiii + 352 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
Rydberg, P.A. 1906. Flora of Colorado. Agricultural Experiment Station of the Colorado Agricultural College, Fort Collins.