Agrostis avenacea

Short description: Species of grass

Agrostis avenacea

Scientific classification
Kingdom:  |

Plantae

(unranked):  |

Angiosperms

(unranked):  |

Monocots

(unranked):  |

Commelinids

Order:  |

Poales

Family:  |

Poaceae

Genus:  |

Agrostis

Species:  |

A. avenacea

Binomial name
Agrostis avenacea

J.F.Gmel.

Synonyms

Agrostis retrofracta, Lachnagrostis filiformis[1]

Agrostis avenacea is a species of grass known by the common names Pacific bent grass, New Zealand wind grass, fairy grass,[1][2] or blown-grass.[1] It is native to Australia , New Zealand, and other Pacific Islands including New Guinea and Easter Island. While it is found in a wide variety of habitats, it seems particularly invasive in areas with damp soils, such as areas near bodies of water.[3] It has been introduced to southern Africa,[4] the United Kingdom ,[5] Taiwan, the southern United States and Mexico.[6]

Pacific bent grass is a tufted perennial grass growing up to 65 centimeters tall. The leaf blades are flat and about 8-25 centimeters long and 2-3 millimeters wide.[3] The stems, which are round or polygonal, are hollow.[5] The inflorescence, which appears in June and July, may be from 7-30 centimeters long. It consists of a panicle of wispy strands, each with several tiny, fuzzy spikelets at the end. The spikelets are two or three millimeters long.[7]

In Australia it is a fire hazard,[2][8][9] and interferes with trains.[10][11]

Agrostis avenacea is known elsewhere as an introduced species and sometimes a noxious weed. It is particularly invasive in California , where it is a weed of sensitive vernal pool ecosystems around San Diego.[12]

## See also

* Invasive species

## References

1. ↑ 1.0 1.1 1.2 "Common Blown-Grass". Victorian Resources Online. http://vro.dpi.vic.gov.au/dpi/vro/vrosite.nsf/pages/water_sss_common_blown.
2. ↑ 2.0 2.1 "Fairy Grass". City of Ballarat. Archived from the original on 2012-03-19. https://web.archive.org/web/20120319185546/http://www.ballarat.vic.gov.au/waste-and-environment/environment/fairy-grass.aspx.
3. ↑ 3.0 3.1 Roberts, Philip D.; Parker, Chris (December 10, 2019). "Agrostis avenacea (Pacific bent grass)". https://www.cabi.org/isc/datasheet/95130.
4. ↑ "Agrostis avenacea J.F.Gmel." (in en). https://www.gbif.org/species/2706451.
5. ↑ 5.0 5.1 "Agrostis avenacea : Blown-grass | NBN Atlas". https://species.nbnatlas.org/species/NHMSYS0000455670#overview.
6. ↑ Jung, Ming-Jer; Wu, Tian-Shung; Kuoh, Chang-Sheng (September 30, 2005). "Notes on Newly Recorded Grasses in Taiwan". https://www.researchgate.net/publication/251779077_Notes_on_Newly_Recorded_Grasses_in_Taiwan#pf2.
7. ↑ "Agrostis avenacea". https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=12268.
8. ↑ "Opinions Split Over Fairy Grass Solutions". The Wimmera Mail-Times. 20 Jan 2012. http://www.mailtimes.com.au/news/local/news/general/opinions-split-over-fairy-grass-solutions/2426874.aspx.
9. ↑ "Controlling Lachnagrostis filiformis (Fairy grass) on dry lake beds in western Victoria, Australia". http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/21708.
10. ↑ "Trekking millipedes sideline trains". The Age. 29 March 2012. http://www.theage.com.au/victoria/trekking-millipedes-sideline-trains-20120328-1vyri.html.
11. ↑ "Ballarat line infrastructure". Archived from the original on 2013-04-12. https://web.archive.org/web/20130412144623/http://railgallery.wongm.com/ballarat-station/.
12. ↑ California Invasive Plant Council

## External links

* Jepson Manual Treatment
* USDA Plants Profile
* Photo gallery

Wikidata ☰ Q2713208 entry

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