Pacific Island Ecosystems at Risk (PIER)

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Briza minor
L., Poaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: yin lin mao

English: lesser quaking grass, little quaking grass, shivery Rhodes grass, shiverygrass, small quaking grass

French: petite amourette, petite brize

Spanish: briza, brizna, pastito de Dios, tembladera

Habit:  grass

Description:  "Annuals; culms slender, up to 75 cm tall.  Sheaths loose, striate, nodes glabrous, with a few scattered hairs below, ca. 5 cm long; ligule membranous, ca. 3 mm long; blades linear, up to 7.5 cm long, up to 4 mm wide, margins minutely scaberulous, base subcordate.  Inflorescence a loose panicle up to 10 cm long, up to 8 cm wide, the branches ascending to erect, filiform, ultimate ones apparently dichotomously branched, each ending in a drooping spikelet; spikelets many-flowered, laterally compressed; first glume at right angles to rachilla, boat-shaped, ca. 2.4 mm long, median portion 3-nerved, margins scarious, apex rounded; second glume ca. 2.4 mm long; first lemma ca. 1.5 mm long, base cordate, widely clasping; palea 2-nerved, winged, nerves ciliate.  Caryopsis brown, boat-shaped, pointed, ca. 1 mm long"  (Wagner et al., 1999; p. 1505).

Description from GrassBase.

Habitat/ecology:  In Hawai‘i, "naturalized and common in moist to dry, open areas such as pastures and along roadsides, and in subalpine forest, 360-1,830 m"  (Wagner et al., 1999; p. 1505).  "In Chile this species grows in the following environmental conditions:  Low altitude, interior valleys; coastal mountains, 500-2000 m; coastal areas, 0-500 m.  Somewhat dry areas where the drought may last 3-5 months, precipitations of 400-800 mm. are concentrated in winter.  Fully exposed to the sun. level areas or slopes facing north"  (Chileflora).

Propagation:  Seed

Native range:  "Europe, now widely naturalized"  (Wagner et al., 1999; p. 1505).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
Skottsberg, Carl (1953) (p. 215)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 551)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más Afuera (Alejandro Selkirk Island) introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 551)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Santa Clara introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (pp. 460, 463, 551)
Voucher cited: Danton I(5/336)1681
Chile (offshore islands)
Juan Fernández Islands
Morro El Verdugo introduced
invasive
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 551)
French Polynesia
Austral (Tubuai) Islands
Rapa Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Vouchers cited: J. Florence 6301 (PAP), J. Florence 6333 (PAP), J. Florence 6413 (PAP)
Adventice
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
Voucher cited: Mann & Brigham 632 (BISH)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Imada, Clyde T./Staples, George W./Herbst, Derral R. (2000) (p. 14)
Voucher cited: J. Rémy 85 (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1505)
New Zealand (offshore islands)
Kermadec Islands
Kermadec Islands introduced
invasive
Edgar, E./Connor, H. (2000) (p. 90)
"Usually on roadsides, sometimes on sandhills or swamp margins".
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) introduced
Henty, E. E. (1969) (p. 42)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
Australia (continental) introduced
invasive
National Herbarium of New South Wales (2013)
South Australia, Tasmania, Victoria, Western Australia
Naturalised
Australia
Australia (continental)
New South Wales introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Australia
Australia (continental)
Queensland introduced
invasive
National Herbarium of New South Wales (2013)
Naturalised
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Chile (continental)
Chile
Chile (Republic of) introduced
invasive
Belov, Michail (2013)
China
China
China (People's Republic of)   Hafliger, Ernst/Scholz, Hildemar (1980) (p. 31)
Colombia
Colombia
Colombia (Republic of) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 192)
Mexico
Mexico
Mexico (United Mexican States) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Edgar, E./Connor, H. (2000) (p. 90)
"Usually on roadsides, sometimes on sandhills or swamp margins".
United States (west coast)
United States (west coast states)
USA (Oregon) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Mauritius
Mautitius Islands (Mauritius and Rodrigues)
Mauritius Island   Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 55)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Alberta
United States (continental except west coast)
United States (other states)
United States (other states) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 10 FEB 2007 and was last updated on 9 JAN 2011.