(Sw.) Desv., Poaceae |
Present on Pacific Islands? yes
Primarily a threat at high elevations? no
Other Latin names: Chloris petraea Swartz
Common name(s): [more details]
English: pinewoods fingergrass |
Habit: grass
Description: "Perennial, often developing stolons. Culms 20-120 cm tall. Ligule a short ciliate crown. Blades flat or folded, mostly 8-20 cm long and 0.8-1.0 cm broad, obtuse at apex. Panicles with 2-8 erect or erect-spreading branches 4-21 cm long. Spikelets closely imbricated and widely divergent. First glume lanceolate, 0.9-1.5 mm long, the second nearly linear, 1.1-1.7 mm long, short-awned from the obtusely lobed apex. Lemma of perfect (lower) floret ovate-lanceolate, dark brown at maturity, 1.1-2.5 mm long, pilose on upper 1/2-3/4 with short hairs, awnless or mucronate. Reduced floret cylindrical, truncate, 0.8-1.0 mm long, awnless or mucronate" (Howard, 1979; p. 83).
Description from GrassBase.
Habitat/ecology: "Open, exposed site, most frequent on and near the seashore" (Howard, 1979; p. 83).
Propagation: Seed, locally by stolons.
Native range: "Southern United States, eastern Mexico and throughout the Antilles to Trinidad and northern South America" (Howard, 1979; p. 83).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands |
Rota Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands |
Rota Island |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Vouchers cited: Fosberg & Moore 58248 (US, BISH, POM, K, MO, BRI), Raulerson 1584 (US), Herbst & Falanruw 6732 (US), Herbst & Falanruw 6690 (US) |
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands |
Tinian Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Commonwealth of the Northern Mariana Islands (US)
Northern Mariana Islands |
Tinian Island |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Voucher cited: Fosberg 59888 (US, BISH, BM, TI, BRI, NY) |
Commonwealth of the Northern Mariana Islands (US)
Saipan |
Saipan Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Commonwealth of the Northern Mariana Islands (US)
Saipan |
Saipan Island |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1975) (pp. 77-78)
Vouchers cited: Fosberg 50547 (US), Fosberg 47715 (US) |
Federated States of Micronesia
Chuuk Islands |
Weno (Moen) Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Federated States of Micronesia
Chuuk Islands |
Weno (Moen) Island |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Voucher cited: Fosberg 60307 (US, BISH, POM, MO) |
Federated States of Micronesia
Kosrae Island |
Kosrae Island |
introduced
invasive |
Space, James C./Waterhouse, Barbara/Denslow, Julie S./Nelson, Duane/Waguk, Erick E. (2000) (p. Voucher specimen)
Voucher: BMW 5745 (BISH, BRI) |
Federated States of Micronesia
Kosrae Island |
Kosrae Island |
introduced
invasive |
Lorence, David H./Flynn, Timothy (2010) (p. 10)
Voucher cited: Lorence 10117 (PTBG) Naturalized |
Federated States of Micronesia
Pohnpei Islands |
Pohnpei Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Federated States of Micronesia
Pohnpei Islands |
Pohnpei Island |
introduced
invasive |
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 57)
Naturalized |
Federated States of Micronesia
Pohnpei Islands |
Pohnpei Island |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Voucher cited: Falanruw 3236 (US) |
Federated States of Micronesia
Pohnpei Islands |
Pohnpei Island |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1980) (p. 202)
Voucher cited: Falanruw 3236 (US) |
Guam
Guam Island |
Guam Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Guam
Guam Island |
Guam Island |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1975) (pp. 77-78)
Vouchers cited: Falanruw 1286 (US), Falanruw 956 (US) |
Guam
Guam Island |
Guam Island |
National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1994) (voucher ID: PTBG 22350)
Taxon name on voucher: Eustachys petraea (Sw.) Desv. |
|
State of Hawaii
Hawaiian Islands |
French Frigate Shoals |
introduced
invasive |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1513, 1906)
Adventive |
Kiribati
Line Islands |
Kiritimati (Christmas) Atoll |
National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1995) (voucher ID: PTBG 38254)
Taxon name on voucher: Eustachys petraea (Sw.) Desv. |
|
Kiribati
Tungaru (Gilbert) Islands |
Abemama Atoll |
introduced
invasive |
Space, James C./Imada, Clyde T. (2004) (p. 10)
Voucher: Imada 2003-119 (BISH 697730) |
Kiribati
Tungaru (Gilbert) Islands |
Butaritari Atoll |
introduced
invasive |
Space, James C./Imada, Clyde T. (2004) (p. 10)
Voucher: Imada 2003-62 (BISH 697677) |
Kiribati
Tungaru (Gilbert) Islands |
Maiana Atoll |
introduced
invasive |
Space, James C./Imada, Clyde T. (2004) (p. 10)
Voucher: Imada 2003-97 (BISH 697712) |
Kiribati
Tungaru (Gilbert) Islands |
Makin Island |
introduced
invasive |
Space, James C./Imada, Clyde T. (2004) (p. 10) |
Kiribati
Tungaru (Gilbert) Islands |
Tarawa Atoll |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Kiribati
Tungaru (Gilbert) Islands |
Tarawa Atoll |
introduced
invasive |
Space, James C./Imada, Clyde T. (2004) (p. 10)
Voucher: Imada 2003-17 (BISH 697632) |
Kiribati
Tungaru (Gilbert) Islands |
Tarawa Atoll |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Voucher cited: Raulerson 3644 (US) |
Marshall Islands
Ralik Chain |
Bikini (Pikinni) Atoll |
introduced
|
Fosberg, F. R. (1988) (p. 11) |
Marshall Islands
Ralik Chain |
Kili (Kõle) Atoll |
introduced
invasive |
Vander Velde, Nancy/Vander Velde, Brian (2006) (p. 4)
"Common to abundant; major component of grassy fields, in ruderal areas, around houses". |
Marshall Islands
Ralik Chain |
Kwajalein (Kuwajleen) Atoll |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Marshall Islands
Ralik Chain |
Kwajalein (Kuwajleen) Atoll |
introduced
invasive |
Whistler, W. A./Steele, O. (1999) (pp. 85-86)
Vouchers cited: Fosberg 48036, Fosberg 48047, Herbst 8888, Herbst 8958, Herbst 8968, Herbst 9005, Herbst 9626, Whistler 11231 |
Marshall Islands
Ralik Chain |
Kwajalein (Kuwajleen) Atoll |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1975) (pp. 77-78)
Vouchers cited: Fosberg 48036 (US), Fosberg 48047 (US) |
Marshall Islands
Ralik Chain |
Wotho (Wõtto) Atoll |
introduced
invasive |
Whistler, W. A./Steele, O. (1999) (pp. 85-86) |
Marshall Islands
Ratak Chain |
Arno Atoll |
introduced
invasive |
Vander Velde, Nancy/Vander Velde, Brian (2007) (p. 3)
"Abundant; major componant of lawns, some patches in ruderal areas". |
Marshall Islands
Ratak Chain |
Majuro (Mãjro) Atoll |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Marshall Islands
Ratak Chain |
Majuro (Mãjro) Atoll |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Vouchers cited: Falanruw 3200 (US), Fosberg 58812 (US) |
Marshall Islands
Ratak Chain |
Majuro (Mãjro) Atoll |
introduced
invasive |
Vander Velde, Nancy (2003) (p. 51) |
Marshall Islands
Ratak Chain |
Majuro (Mãjro) Atoll |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1980) (p. 202)
Vouchers cited: Falanruw 3200 (US), Fosberg 58812 (US) |
Marshall Islands
Ratak Chain |
Maloelap Atoll | Imada, Clyde (2006) | |
Marshall Islands
Ratak Chain |
Mili (Mile) Atoll |
introduced
invasive |
Vander Velde, Nancy/Vander Velde, Brian (2010) (p. A6)
Abundant; in runway, fields and ruderal areas throughout Mili. |
Palau
Palau (Belau ) (main island group) |
Angaur (Ngeaur) Island |
introduced
|
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 43) |
Palau
Palau (Belau ) (main island group) |
Angaur (Ngeaur) Island |
introduced
invasive |
Waterhouse, B. M (2003) (pp. 100-101)
Voucher cited: Canfield 189 (US) |
Palau
Palau (Belau ) (main island group) |
Angaur (Ngeaur) Island |
introduced
invasive |
Fosberg, F. R./Falanruw, M. V. C. (1980) (p. 202)
Voucher cited: Canfield 189 (US) |
Palau
Palau (Belau ) (main island group) |
Peleliu (Beliliou) Island | Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013) | |
United States (other Pacific offshore islands)
Midway Atoll |
Eastern Island |
introduced
invasive |
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-8) |
United States (other Pacific offshore islands)
Midway Atoll |
Midway Atoll |
introduced
invasive |
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 1513, 1906)
Adventive |
United States (other Pacific offshore islands)
Midway Atoll |
Sand Island |
introduced
invasive |
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-8) |
United States (other Pacific offshore islands)
Midway Atoll |
Spit Island |
introduced
invasive |
Starr, Forest/Starr, Kim/Loope, Lloyd (2008) (pp. B-8) |
United States (other Pacific offshore islands)
Wake Islands |
Wake Island |
introduced
invasive |
Whistler, W. A./Steele, O. (1999) (pp. 85-86) |
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Central America
Central America (Pacific rim) |
Costa Rica (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Central America
Central America (Pacific rim) |
Honduras (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Central America
Central America (Pacific rim) |
Nicaragua (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Central America
Central America (Pacific rim) |
Panama (Republic of) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Mexico
Mexico |
Mexico (United Mexican States) |
native
|
U.S. Dept. Agr., Agr. Res. Serv. (2013) |
Indian Ocean | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
British Indian Ocean Territory
Chagos Archipelago |
Diego Garcia Island |
introduced
invasive |
Whistler, W. Arthur (1996) (p. 24) |
Also reported from | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
United States (continental except west coast)
United States (other states) |
United States (other states) |
native
|
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013) |
United States (continental except west coast)
United States (other states) |
USA (Florida) |
native
|
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013) |
Control: If you know of control methods for Eustachys petraea, please let us know.