Lachnagrostis filiformis (syn. Agrostis avenacea) is a species of grass known by the common names Pacific bent grass, New Zealand wind grass, fairy grass,[2][3] or blown-grass.[2] 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.[4] It has been introduced to southern Africa,[5] the United Kingdom,[6] Taiwan, the southern United States and Mexico.[7]
Quick Facts Lachnagrostis filiformis, Scientific classification ...
Lachnagrostis filiformis |
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Scientific classification |
Kingdom: |
Plantae |
Clade: |
Tracheophytes |
Clade: |
Angiosperms |
Clade: |
Monocots |
Clade: |
Commelinids |
Order: |
Poales |
Family: |
Poaceae |
Subfamily: |
Pooideae |
Genus: |
Lachnagrostis |
Species: |
L. filiformis |
Binomial name |
Lachnagrostis filiformis
(G.Forst.) Trin. |
Synonyms[1] |
- Agrostis avenacea J.F.Gmel.
- Agrostis chamissonis (Trin.) Trin.
- Agrostis debilis Poir.
- Agrostis filiformis (G.Forst.) Biehler
- Agrostis forsteri Rich. ex Roem. & Schult.
- Agrostis lasiantha Phil.
- Agrostis leonii Parodi
- Agrostis ligulata Steud.
- Agrostis novae-hollandiae P.Beauv.
- Agrostis retrofracta Willd.
- Agrostis solandri F.Muell.
- Avena filiformis G.Forst.
- Calamagrostis avenacea (J.F.Gmel.) W.R.B.Oliv.
- Calamagrostis chamissonis (Trin.) Steud.
- Calamagrostis filiformis (G.Forst.) Cockayne
- Calamagrostis forsteri (Kunth) Steud.
- Calamagrostis retrofracta (Willd.) Link ex Steud.
- Calamagrostis willdenowii Steud.
- Deyeuxia chamissonis (Trin.) Kunth
- Deyeuxia filiformis (G.Forst.) Petrie
- Deyeuxia filiformis var. aristata (Benth.) Domin
- Deyeuxia filiformis var. laeviglumis (Benth.) Domin
- Deyeuxia forsteri Kunth
- Deyeuxia forsteri var. aristata Benth.
- Deyeuxia forsteri var. laeviglumis Benth.
- Deyeuxia retrofracta (Willd.) Kunth
- Lachnagrostis avenacea (J.F.Gmel.) Veldkamp
- Lachnagrostis chamissonis Trin.
- Lachnagrostis forsteri Trin.
- Lachnagrostis retrofracta (Willd.) Trin.
- Lachnagrostis willdenowii Trin.
- Vilfa debilis (Poir.) P.Beauv.
- Vilfa novae-hollandiae P.Beauv.
- Vilfa retrofracta (Willd.) P.Beauv.
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Close
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.[4] The stems, which are round or polygonal, are hollow.[6] 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.[8]
In Australia it is a fire hazard,[3][9][10] and interferes with trains.[11][12]
Lachnagrostis filiformis 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.[13]