Alopecurus aequalis

Alopecurus aequalis is a common species of grass known as shortawn foxtail or orange foxtail.[2] It is native to much of the temperate Northern Hemisphere from Eurasia to North America, where it can be found in many types of habitat.

Alopecurus aequalis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Alopecurus
Species:
A. aequalis
Binomial name
Alopecurus aequalis
Sobol.
Synonyms
  • Alopecurus aequalis subsp. aristulatus (Michx.) Tzvelev
  • Alopecurus aristulatus Michx.
  • Alopecurus fulvus Sm.
  • Alopecurus geniculatus subsp. fulvus (Sm.) Trab.

Description

This perennial bunchgrass is variable in appearance. It produces bunches of erect stems between 10 and about 70 centimeters in height. The leaves are short, rarely exceeding 10 centimeters long. The cylindrical inflorescence is a few centimeters long and blooms with white to yellow to bright orange anthers.

Ecology

One variety of this species, var. sonomensis, is a rare California endemic grass which is federally listed as an endangered species of the United States.[3]

References
  1. Lansdown, R.V. (2014). "Alopecurus aequalis". IUCN Red List of Threatened Species. 2014: e.T164156A1025862. doi:10.2305/IUCN.UK.2014-1.RLTS.T164156A1025862.en.
  2. "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
  3. "Determination of Endangered Status for Nine Plants From the Grasslands or Mesic Areas of the Central Coast of California" (PDF). Federal Register. United States Fish and Wildlife Service. October 22, 1997. Retrieved November 6, 2013.


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