Synedrella nodiflora (L.) Gaertn., Asteraceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chamorro: saigon

English: Cinderella weed, nodeweed, pig grass, pig grass, pig grass, synedrella

Japanese: fushizakiso, hizizakiso

Kwara‘ae: kinoli

Mangarevan: kowai iva

Maori (Cook Islands): ngaroiarui

Marshallese: bwilbwilikkaj, bwilbwilkaj, kinwoj

Pohnpeian: pwisehnkou

Samoan: lau tae ‘oti, lau tae ‘oti, lau‘oti‘oti, tae ‘oti, tae ‘oti, taioti

Spanish: cerbatana, flor amarilla, guacara, venturosa

Tahitian: tauatini

Tongan: kosi, pakaka, pakopako

Habit:  herb

Description:  "Erect herb to 50-90 cm tall, branched dichotomously, leaves ovate or elliptic, mostly 5-15 cm long and 2-9 cm wide, crenate-serrate, acute, abruptly narrowed at base to the 1-5 cm long petiole mostly pubescent on both surfaces, usually 3-nerved; heads solitary or several together, subsessile or pedunculate, cylindric-campanulate, 10-20-flowered, 8-10 mm long; involucral bracts 2-seriate, usually only 4 or 5, nearly 1 cm long; all corollas yellow, about 3.5-4 mm long; ligules bifid; achenes of 2 kinds, those of ray-florets winged, glabrous, those of disc-florets unwinged, often puberulent, all nearly black, 4-5 mm long, awned"  (Stone, 1970; pp. 585-586).

Habitat/ecology:  "Adapted to many environments.  It is particularly well adapted to the partial shade found under jute and plantation crops like tea, coffee, bananas, cacao, and rubber.  Plants appear in moist soil and along roads and foot trails"  (Holm et al., 1997; p. 819).  "Abundant in frequently disturbed areas, a major weed in gardens, and an intermediate weed along roadsides and in crops and plantations.  The plant grows best where the soil is moist and fertile and where there is plenty of light." (Swarbrick, 1997; p. 19)

"In Guam abundant, usually around houses and along roadsides"  (Stone, 1970; pp. 585-586).  In Hawai‘i, "naturalized in relatively low elevation, disturbed areas" (Wagner et al., 1999; p. 360).  In Fiji, "found from near sea level to about 200 m as a naturalized weed in open areas, villages, cultivated areas, and along roads, often locally abundant" (Smith, 1991; pp. 276-277).  In Niue, "a very common plantation weed that is also found less commonly in many waste places" (Sykes, 1970; p. 68). In New Guinea, "a common weed of cultivation; palatable to livestock and so not a problem in pasture; sometimes fed to pigs. From sea level to about 1000 m" (Henty & Pritchard, 1975; p. 82). In Tonga, "weed in plantations and waste areas" (Yuncker, 1959; p. 268).

Propagation:  Seed

Native range:  Tropical America, now a pan-tropical weed (Stone, 1970; pp. 585-586).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
American Samoa Manu‘a Islands	Ofu Island		Whistler, W. A. (1990) Voucher cited: Whistler 3485
American Samoa Manu‘a Islands	Ofu Island	introduced	Ragone, Diane/Lorence, David H. (2003) (p. 54)
American Samoa Manu‘a Islands	Ofu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 35355) Taxon name on voucher: Synedrella nodiflora (L.) Gaertn.
American Samoa Manu‘a Islands	Olosega Island	introduced	Ragone, Diane/Lorence, David H. (2003) (p. 54)
American Samoa Manu‘a Islands	Olosega Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 37097) Taxon name on voucher: Synedrella nodiflora (L.) Gaertn.
American Samoa Manu‘a Islands	Ta‘u Island		Whistler, W. A. (1990) Vouchers cited: Garber 549, Harris 18, Harris 27, Harris 37, Harris 106, Harris 241, Harris 331, Yuncker 9111, Whistler 1363
American Samoa Manu‘a Islands	Ta‘u Island		Yuncker, T. G. (1945) (p. 67) Vouchers cited: Yuncker 9111 (BISH), Garber 549 (BISH), W. Harris 27 (BISH), W. Harris 331 (BISH), W. Harris 18 (BISH), W. Harris 106 (BISH), W. Harris 241 (BISH), W. Harris 37 (BISH)
American Samoa Manu‘a Islands	Ta‘u Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1991) (voucher ID: PTBG 10518) Taxon name on voucher: Synedrella nodiflora
American Samoa Swain's Island	Swain's Island	introduced invasive	Whistler, W. A. (1983) (p. 9) Voucher cited: Whistler 3437
American Samoa Tutuila Islands	Tutuila Island		Swarbrick, John T. (1997) (p. 97)
American Samoa Tutuila Islands	Tutuila Island		Anon. (1988) (p. 3)
American Samoa Tutuila Islands	Tutuila Island	introduced invasive	Setchell, William Albert (1924) (p. 41)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Agrigan (Agrihan) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Agrigan (Agrihan) Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Voucher cited: Fosberg 31434 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Voucher cited: Fosberg 31749 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island	introduced	Ohba, T. (1994) (p. 64) Voucher cited: CBM-BS-58849
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Voucher cited: Kanehira 2215 (NY, FU)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Rota Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Saipan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Sarigan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Sarigan Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Vouchers cited: Falanruw 1721 (US), Falanruw 1768 (US), Evans 2363 (US)
Cook Islands Southern Cook Islands	‘Atiu Island		McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Mangaia Island		McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Ma‘uke Island		McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Miti‘aro Island		McCormack, Gerald (2011) ?
Cook Islands Southern Cook Islands	Palmerston (Avarau) Island		McCormack, Gerald (2011) ?
Cook Islands Southern Cook Islands	Rarotonga Island		McCormack, Gerald (2011)
Ecuador (Galápagos Islands) Floreana Group	Floreana Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Alcedo, Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Cerro Azul, Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Isabela Group	Volcán Sierra Negra, Isabela Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) San Cristóbal Group	San Cristóbal Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santa Cruz Group	Santa Cruz Island	introduced invasive	Charles Darwin Foundation (2008)
Ecuador (Galápagos Islands) Santiago Group	Santiago Island	introduced invasive	Charles Darwin Foundation (2008)
Federated States of Micronesia Chuuk Islands	Dublon (Tonowas) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Chuuk Islands	Namonuito (Namonweito, Nómwun Wiité) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced invasive	Lorence, David H./Flynn, Timothy (2010) (p. 13) Naturalized
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced invasive	Josekutty, P. C./Wakuk, E. E./Joseph, M. J. (2002) (p. 63)
Federated States of Micronesia Pohnpei Islands	Nukuoro Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced	Glassman, S. F. (1952) (p. 98) Vouchers cited: Glassman 2799 (US), Kanehira 722 (BISH)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced invasive	Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 74) Vouchers cited: F.R. Fosberg 26224 (BISH), R. Gallen 67 (NY, PTBG), S.F. Glassman 2799 (BISH), R. Kanehira 722 (BISH), M. Takamatsu 700 (BISH), M. Takamatsu 1051 (BISH) Naturalized
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 46099) Taxon name on voucher: Synedrella nodiflora
Federated States of Micronesia Yap Islands	Woleai Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Federated States of Micronesia Yap Islands	Yap (Waqab) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Fiji Fiji Islands	Lakemba Island	introduced invasive	Smith, Albert C. (1991) (pp. 276-277) Voucher cited: Garnock-Jones 922
Fiji Fiji Islands	Ngau Island	introduced invasive	Smith, Albert C. (1991) (pp. 276-277) Voucher cited: Smith 7973
Fiji Fiji Islands	Vanua Levu Island	introduced invasive	Smith, Albert C. (1991) (pp. 276-277) Vouchers cited: DA 10468, DA 167, Bierhorst F196
Fiji Fiji Islands	Vanua Mbalavu Island	introduced invasive	Smith, Albert C. (1991) (pp. 276-277) Voucher cited: DA 10203
Fiji Fiji Islands	Viti Levu Island	introduced invasive	Smith, Albert C. (1991) (pp. 276-277) Vouchers cited: DA 10293, DA 11366, DA 10159, DA 9129, Smith 9499, DA 11874, DA 9527, Greenwood 91A, DA 10054, Gillespie 3547, DA 9333, DA 10620, H.B.R. Parham 28, Degener & Ordonez 13518
French Polynesia Gambier Islands	Aukena Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Gambier Islands	Aukena Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14606 (BISH)
French Polynesia Gambier Islands	Mangareva (Gambier) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: B. Huguenin s.n. (PAP) Adventice
French Polynesia Gambier Islands	Mangareva (Gambier) Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14527 (BISH)
French Polynesia Gambier Islands	Taravai Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Gambier Islands	Taravai Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14834 (BISH)
French Polynesia Marquesas Islands	Eiao Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Eiao Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J.-C. Thibault 1058 (PAP), J. Florence & M. Teikiteetini 9336 (PAP) Adventice
French Polynesia Marquesas Islands	Fatu Hiva Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Fatu Hiva Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Marquesas Islands	Fatu Hiva Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1988) (voucher ID: PTBG 8783) Taxon name on voucher: Synedrella nodiflora
French Polynesia Marquesas Islands	Hiva Oa Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Hiva Oa Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: M.-H. Sachet 1929 (PAP) Adventice
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J. Florence 4170 (PAP), J. Florence 8450 (PAP), B. Toutain 4220 (PAP) Adventice
French Polynesia Marquesas Islands	Tahuata (Tuhuata) Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Ua Huka (Huahuna, Uahuka) Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Ua Huka (Huahuna, Uahuka) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Marquesas Islands	Ua Huka (Huahuna, Uahuka) Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2003) (voucher ID: PTBG 41186) Taxon name on voucher: Synedrella nodiflora
French Polynesia Marquesas Islands	Ua Huka (Huahuna, Uahuka) Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2003) (voucher ID: PTBG 41187) Taxon name on voucher: Synedrella nodiflora
French Polynesia Marquesas Islands	Ua Pou (Huapu, Uapou, Uapu) Island	introduced invasive	Lorence, David H./Wagner, Warren L. (2008)
French Polynesia Marquesas Islands	Ua Pou (Huapu, Uapou, Uapu) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Society Islands	Bora Bora Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 12067 (PAP) Adventice
French Polynesia Society Islands	Huahine Island	introduced	Fosberg, F. R. (1997) (p. 19)
French Polynesia Society Islands	Maupiti (Maurua) Island	introduced invasive	Fosberg, F. R./Sachet, M.-H. (1987) (p. 69) Vouchers cited: Raynal 17823, Fosberg 64830 (US)
French Polynesia Society Islands	Mehetia (Mahetia, Meetia) Island	introduced invasive	Welsh, S. L. (1998) (p. 80) Voucher cited: Grant 4691
French Polynesia Society Islands	Mehetia (Mahetia, Meetia) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 10274 (PAP) Adventice
French Polynesia Society Islands	Moorea Island	introduced invasive	Welsh, S. L. (1998) (p. 80) Voucher cited: Fosberg 60983
French Polynesia Society Islands	Moorea Island	introduced invasive	University of California (2006) "Grows in disturbed and drier areas".
French Polynesia Society Islands	Moorea Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 5035 (PAP) Adventice
French Polynesia Society Islands	Mopelia (Mapetia, Maupiha‘a, Maupihoa, Mopiha‘a) Atoll	introduced invasive	Sachet, M.-H. (1983) (p. 35) Voucher cited: Sachet 947 (US)
French Polynesia Society Islands	Raiatea (Havai) Island	introduced invasive	Welsh, S. L. (1998) (p. 80) Vouchers cited: Moore 372, Moore 36, BRY 26372, BRY 26456
French Polynesia Society Islands	Taha‘a Island	introduced invasive	Welsh, S. L. (1998) (p. 80) Voucher cited: Florence 5228
French Polynesia Society Islands	Taha‘a Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 5228 (PAP) Adventice
French Polynesia Society Islands	Tahiti Island	introduced invasive	Welsh, S. L. (1998) (p. 80) Voucher cited: Grant 3650
French Polynesia Society Islands	Tahiti Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Society Islands	Tupai Island	introduced invasive	Sachet, M.-H. (1983) (p. 24)
French Polynesia Tuamotu Archipelago	Makatea (Ma‘atea) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 2982 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Niau Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 10155 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Raro‘ia Atoll		Doty, Maxwell S. (1954) (p. 34)
French Polynesia Tuamotu Archipelago	Takapoto Atoll	introduced invasive	Sachet, M-H. (1983) (p. 39) Voucher cited: Sachet 2046 (US)
French Polynesia Tuamotu Archipelago	Tikehau (Tikahau) Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 7113 (PAP) Adventice
French Polynesia Austral (Tubuai) Islands	Raivavae (Raevavae) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J. Florence 5613 (PAP), J. Florence & W.R. Sykes 11180 (PAP) Adventice
French Polynesia Austral (Tubuai) Islands	Rimatara (Rimitara) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Austral (Tubuai) Islands	Rurutu Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 6035 (PAP) Adventice
French Polynesia Austral (Tubuai) Islands	Tubuai Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
Guam Guam Island	Guam Island	introduced invasive	Stone, Benjamin C. (1970) (pp. 585-586) Vouchers cited: Stone 3907 (GUAM), Stne 4666 (GUAM)
Guam Guam Island	Guam Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Oppenheimer, Hank (2007) (p. 21) Voucher cited: Oppenheimer H100624 (BISH, PTBG)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (pp. 359-360) Voucher cited: Caum s. n. (BISH)
Japan (offshore islands) Bonin (Ogasawara) Islands	Bonin (Ogasawara) Islands	introduced	Kato, Hidetoshi (2007)
Kiribati Line Islands	Flint Island	introduced invasive	St. John, Harold/Fosberg, F. Raymond (1937) (p. 4) Voucher cited: St. John & Fosberg 17474 (BISH)
Kiribati Line Islands	Tabuaeran (Fanning) Atoll	introduced invasive	Wester, Lyndon (1985) (p. 33)
Kiribati Line Islands	Tabuaeran (Fanning) Atoll	introduced invasive	Christophersen, Erling (1927) (p. 43) Waste places near the Cable Station. Voucher cited: Ball 9
Kiribati Line Islands	Teraina (Washington) Island	introduced invasive	Wester, Lyndon (1985) (p. 33)
Kiribati Line Islands	Teraina (Washington) Island	introduced invasive	Christophersen, Erling (1927) (pp. 56, 78) In waste places, introduced.
Kiribati Tungaru (Gilbert) Islands	Butaritari Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Kiribati Tungaru (Gilbert) Islands	Butaritari Atoll	introduced invasive	Space, James C./Imada, Clyde T. (2004) (p. 78)
Kiribati Tungaru (Gilbert) Islands	Butaritari Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1972) (voucher ID: PTBG 31189) Taxon name on voucher: Synedrella nodiflora
Kiribati Tungaru (Gilbert) Islands	Tarawa Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Kiribati Tungaru (Gilbert) Islands	Tarawa Atoll	introduced invasive	Space, James C./Imada, Clyde T. (2004) (p. 75)
Kiribati Tungaru (Gilbert) Islands	Tarawa Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1972) (voucher ID: PTBG 20997) Taxon name on voucher: Synedrella nodiflora
Marshall Islands Ralik Chain	Ebon (Epoon) Atoll	introduced invasive	Whistler, W. A./Steele, O. (1999) (pp. 37-38)
Marshall Islands Ralik Chain	Jaluit (Jãlwõj) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Marshall Islands Ralik Chain	Jaluit (Jãlwõj) Atoll	introduced invasive	Fosberg, F. R./Sachet, M.-H. (1962) (p. 37) Voucher cited: Fosberg 39477 (US)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced invasive	Whistler, W. A./Steele, O. (1999) (pp. 37-38) Vouchers cited: Fosberg 34120, Herbst 8946, Whistler 11251
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced invasive	Fosberg, F. R. (1955) (p. 22) Voucher cited: Fosberg 34120 (US)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1998) (voucher ID: PTBG 44948) Taxon name on voucher: Synedrella nodiflora
Marshall Islands Ratak Chain	Arno Atoll	introduced	Vander Velde, Nancy/Vander Velde, Brian (2009) (p. 4) Voucher cited: Vander Velde 0628200904
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced invasive	Vander Velde, Nancy (2003) (p. 72)
Marshall Islands Ratak Chain	Mili (Mile) Atoll	introduced invasive	Vander Velde, Nancy/Vander Velde, Brian (2010) (p. A11) Uncommon; in ruderal areas and fields on Mili.
Nauru Nauru Island	Nauru Island	introduced invasive	Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (p. 100) Vouchers cited: Fosberg 58648 (US), Scully 134N (US), Thaman & Manner 97 (SUVA), Swarbrick 9573 (BRIU)
New Caledonia Îles Bélep (Belep Islands)	Île Art	introduced	MacKee, H. S. (1994) (p. 38) Voyucher cited: MacKee 19439
New Caledonia Îles Loyauté (Loyalte Islands)	Îles Loyauté (Loyalty Islands)	introduced invasive	Tassin, Jacques (2005)
New Caledonia Îles Loyauté (Loyalte Islands)	Île Lifou	introduced	MacKee, H. S. (1994) (p. 38) Voucher cited: Hoff 1370 (NOU)
New Caledonia Îles Loyauté (Loyalte Islands)	Île Tiga	introduced	MacKee, H. S. (1994) (p. 38) Voucher cited: MacKee 45920
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced invasive	Tassin, Jacques (2005)
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced	MacKee, H. S. (1994) (p. 38) Vouchers cited: Barrau 71, Catala 60, MacKee 3906
New Caledonia New Caledonia Archipelago	Île des Pins (Isle of Pines)	introduced	MacKee, H. S. (1994) (p. 38) Voucher cited: Buchholz 1635
Niue Niue	Niue Island	introduced invasive	Sykes, W. R. (1970) (p. 68) Vouchers cited: CHR 150555, CHR 170419
Niue Niue	Niue Island	introduced invasive	Whistler, W. A. (1988) (p. 12)
Niue Niue	Niue Island	introduced invasive	Whistler, W. A./Atherton, J. (1997) (p. 26)
Niue Niue	Niue Island	introduced invasive	Yuncker, T. G. (1943) (p. 117) Voucher cited: Yuncker 9867 (BISH) "Common weed in waste areas and plantations".
Niue Niue	Niue Island	introduced invasive	Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 47)
Palau Palau (main island group)	Angaur Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Palau Palau (main island group)	Angaur Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 104)
Palau Palau (main island group)	Angaur Island	introduced invasive	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 65)
Palau Palau (main island group)	Babeldaob Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Palau Palau (main island group)	Babeldaob Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 102)
Palau Palau (main island group)	Babeldaob Island		Beleu National Museum (Republic of Palau. Koror.) (1978) (voucher ID: BNM 10168) Taxon name on voucher: Synedrella nodiflora (L.) Gaertn.
Palau Palau (main island group)	Kayangel (Ngcheangel) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Palau Palau (main island group)	Kayangel (Ngcheangel) Island	introduced invasive	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 65) Voucher: Lorence 9795 (PTBG, BNM, NY,TAMU, US)
Palau Palau (main island group)	Kayangel (Ngcheangel) Island		Beleu National Museum (Republic of Palau. Koror.) (1970) (voucher ID: BNM 260) Taxon name on voucher: Synedrella nodiflora
Palau Palau (main island group)	Kayangel (Ngcheangel) Island		Beleu National Museum (Republic of Palau. Koror.) (1979) (voucher ID: BNM 1147) Taxon name on voucher: Synedrella nodiflora
Palau Palau (main island group)	Kayangel (Ngcheangel) Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 88) Taxon name on voucher: Synedrella nodiflora (L.) Gaertn.
Palau Palau (main island group)	Koror Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 291)
Palau Palau (main island group)	Koror Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 99)
Palau Palau (main island group)	Malakal Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 99)
Palau Palau (main island group)	Peleliu Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 107)
Palau Sonsorol Group	Sonsorol Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 109)
Papua New Guinea Bismarck Archipelago	Bismarck Archipelago	introduced invasive	Peekel, P. G. [translated by E. E. Henty] (1984) (pp. 563, 565) Common weed.
Papua New Guinea Bougainville Islands	Bougainville Island		Foreman, D. B. (1971) (p. 38)
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)	introduced invasive	Henty, E. E./Pritchard, G. H. (1975) (p. 82) Sea level to about 1000 m.
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)		Waterhouse, D. F. (1997) (p. 66)
Philippines Philippine Islands	Philippine Islands		Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 357)
Philippines Philippine Islands	Philippine Islands	introduced invasive	Merrill, Elmer D. (1923) (pp. 612-613) Throughout the Philippines at low and medium altitudes, in open waste places.
Pitcairn Islands Pitcairn Islands	Pitcairn Island	introduced invasive	St. John, H. (1987) (p. 54) Voucher cited: Fosberg 11258
Pitcairn Islands Pitcairn Islands	Pitcairn Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 10747 (PAP) Adventice
Samoa Western Samoa Islands	Western Samoa Islands		Whistler, W. A. (1988) (p. 12)
Solomon Islands Solomon Islands	Solomon Islands		Swarbrick, John T. (1997) (p. 97)
Solomon Islands Solomon Islands	Solomon Islands	native	Hancock, I. R./Henderson, C. P. (1988) (p. 111)
Tokelau Tokelau Islands	Tokelau Islands		Waterhouse, D. F. (1997) (p. 66)
Tonga Ha‘apai Group	Ha‘apai Islands		Whistler, W. A. (1992) (p. 9) Voucher cited: Soakai 290
Tonga Ha‘apai Group	Lifuka Island	introduced invasive	Yuncker, T. G. (1959) (p. 268) Voucher cited: Yuncker 15978
Tonga Tonga Islands	Tonga Islands	introduced invasive	Yuncker, T. G. (1959) (p. 268) "Probably on all of the islands of Tonga".
Tonga Tongatapu Group	Tongatapu Island		Whistler, W. A. (1992) (p. 9) Vouchers cited: Lawrence 1, Lawrence 16, Lawrence 157, Soakai 474
Tonga Tongatapu Group	Tongatapu Island	introduced invasive	Yuncker, T. G. (1959) (p. 268) Voucher cited: Yuncker 15139
Tuvalu Tuvalu (Ellis) Islands	Nui Atoll		Woodroffe, C. D. (1985) (p. 16) Voucher cited: Woodroffe 123 (CHR)
Tuvalu Tuvalu (Ellis) Islands	Tuvalu Islands		Swarbrick, John T. (1997) (p. 97)
United States (other Pacific offshore islands) Palmyra Atoll	Palmyra Atoll	introduced invasive	Wester, Lyndon (1985) (p. 33)
Vanuatu New Hebrides Islands	Vanuatu (Republic of)		Swarbrick, John T. (1997) (p. 97)
Wallis and Futuna Wallis and Futuna (Horne) Islands	Wallis (‘Uvea) Island	introduced invasive	Meyer, Jean-Yves (2007) (p. 32)
Wallis and Futuna Wallis and Futuna (Horne) Islands	Wallis and Futuna Islands		Whistler, W. A. (1988) (p. 12)

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)	Northern Territory	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
Australia Australia (continental)	Queensland	introduced invasive	Csurhes, S./Edwards, R. (1998) (p. 197)
Cambodia Cambodia	Cambodia (Kingdom of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
China China	China (People's Republic of)		Li-ying, Li/Ren, Wang/Waterhouse, D. F. (1997) (p. 174)
China China	China (People's Republic of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
China China	Hong Kong	introduced invasive	Wu, Te-lin (2001) (p. 288) In wasteland near villages.
Colombia Colombia	Colombia (Republic of)		Holm, Leroy/Pancho, Juan V./Herberger, James P./Plucknett, Donald L. (1979) (p. 357)
Costa Rica Costa Rica	Costa Rica (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Ecuador (Mainland) Ecuador	Ecuador (Republic of) (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
El Salvador El Salvador	El Salvador (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Guatemala Guatemala	Guatemala (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Honduras Honduras	Honduras (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Indonesia Indonesia	Indonesia (Republic of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
Japan Japan	Japan (country)	introduced	Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 190)
Malaysia Malaysia	Malaysia (country of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
Mexico Mexico	Mexico (United Mexican States)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Nicaragua Nicaragua	Nicaragua (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Panama Panama	Panama (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Perú Perú	Perú (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Singapore Singapore	Singapore (Republic of)	introduced invasive	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 83) Naturalised
Taiwan Taiwan	Taiwan Island		Li-ying, Li/Ren, Wang/Waterhouse, D. F. (1997) (p. 174)
Taiwan Taiwan	Taiwan Island	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
Taiwan Taiwan	Taiwan Island	uncertain if introduced invasive	Ching-I Peng, ed. (2011) "Widespread throughout the island".
Thailand Thailand	Thailand (Kingdom of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)
Vietnam Vietnam	Vietnam (Socialist Republic of)	introduced invasive	Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 817)

Indian Ocean
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
Australia (Indian Ocean offshore islands) Christmas Island Group	Christmas Island	introduced invasive	Swarbrick, J. T. (1997) (p. 128)
Australia (Indian Ocean offshore islands) Cocos (Keeling) Islands	Cocos (Keeling) Islands	introduced invasive	Orchard, Anthony E., ed. (1993) (p. 37)
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island	introduced	Stoddart, D. R./Taylor, J. D., eds. (1971) (p. 159) Voucher cited: Rhyne 676 (US)
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island	introduced invasive	Whistler, W. Arthur (1996) (p. 26)
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1995) (voucher ID: PTBG 37891) Taxon name on voucher: Synedrella nodiflora (L.) Gaertn.
Maldives Maldive Islands	Malè Atoll		Fosberg, F. R. (1957) (p. 35) "Common locally in waste places". Voucher cited: Fosberg 36851 (US)
Seychelles Seychelles Islands	Cousin Island	introduced invasive	Fosberg, F. R. (1983) (p. 33) Voucher cited: Fosberg 52102 (US)
Seychelles Seychelles Islands	Frégate Island		Robertson, S. A./Todd, D. M. (1983) (p. 47) Voucher cited: Robertson 2672
Seychelles Seychelles Islands	Poivre Island		Robertson, S. A./Fosberg, F. R. (1983) (p. 169) Voucher cited: Robertson 2338 (K)

Control: 

Physical: "Prevented from germinating by mulches. Controlled by hand weeding, chipping and cultivation. Suppressed by vigorously competitive crops" (Swarbrick, 1997; p. 30).

Chemical: "Probably susceptible to: 1) residual herbicides at standard rates; 2) translocated herbicides at standard rates; 3) contact herbicides at standard rates" (Swarbrick, 1997; p. 30).

Additional information:
Additional online information about Synedrella nodiflora is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Synedrella nodiflora as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Synedrella nodiflora may be available from the Germplasm Resources Information Network (GRIN).

References:

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Beleu National Museum (Republic of Palau. Koror.). 1978. Voucher specimen #BNM10168(Otobed, D.O. PW-10168).

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