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Alopecurus geniculatus
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Water Foxtail
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Alopecurus geniculatus

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About Water Foxtail (Alopecurus geniculatus) Alopecurus geniculatus is a species of grass known by the common name water foxtail or Marsh foxtail. It is native to much of Eurasia and North America, where it grows in moist areas. This is a perennial grass forming bunches of erect stems up to about 60 centimeters in maximum height. The leaves are 8 to 12 centimeters in maximum length. The flower cluster is a dense panicle up to 6 or 7 centimeters long which blooms in dusty yellow-orange anthers.
Plant Description
Plant Type

Max. Height
1 - 2 ft (0.3 - 0.6 m)

Flower Color
Yellow, Orange

Native Status

Natural Setting
Site Type
Open, wet meadows, pools, shores, streambanks


Elevation ?
0' - 11286'

Annual Precip. ?
7.1" - 76.5"

Summer Precip. ?
0.27" - 2.46"

Coldest Month ?
20.0° F - 55.7° F

Hottest Month ?
42.2° F - 75.0° F

Humidity ?
0.23 vpd - 23.14 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Marsh Foxtail

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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