Cyanthillium cinereum (L.) H.Rob., Asteraceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Blumea chinensis (L.) DC.; Conyza chinensis L.; Conyza cinerea L.; Senecioides cinerea (L.) Kuntze ex Britt. & Wilson; Serratula cinerea (L.) Roxb.; Vernonia cinerea (L.) Less.; Vernonia cinerea var. parviflora (Reinw.) DC.

Common name(s): [more details]

Chamorro: chaguan Santa Maria

Chuukese: enen chukó

English: ironweed, little ironweed, small ironweed, vernonia

Fijian: kaukamea, tho vuka, vutikaumondro

French: ayapana sauvage

Japanese: mura-saki-mukashi-yomogi, reinan-nogiku, yambaru-higotai

Mangarevan: kaka kaka, meika, tuna

Marshallese: jãn-aelõñ-ñan-aelõñ, janaelon-nan-aelon, janaelong, janailiñ Ñönailiñ, janailin-nonailin, senailing nagailing

Palauan: edngeong, etngeong

Satawalese: opusar

Tongan: fisi puna

Habit:  herb

Description:  "Erect branching annual herb to 60 cm tall, with ovate acute, or variably shaped leaves, mostly 1-5 (rarely to 7-8) cm long, 1.5-2 (-3) cm wide, the upper ones narrower, smaller and subsessile, the lower ones with petioles 1-3 cm long, surfaces minutely puberulent, base decurrent; heads 20-25-flowered, more or less corymbose, shortly pedunculate, 6-7 mm long; bracts of involucre acute-acuminate, 4-5 mm long, in 4 series, puberulent; corollas violet or pinkish-violet, about 4 mm long, exserted; achenes appressed-pubescent, 1.5-2 mm long; inner hairs of pappus 4-5 mm long, outer ones very short"  (Stone, 1970; p. 593).

Habitat/ecology:  "Common in gardens, field and plantation crops, pastures, roadsides and waste areas"  (Holm et al., 1997; p. 903).  "Occasional to common in waste places" (Whistler, 1988; p. 13).

Abundant in Guam chiefly in waste ground (Stone, 1970; p. 593).  In Hawai‘i, "naturalized in urban areas and usually relatively dry, disturbed sites" (Wagner et al., 1999; p. 373).  In Fiji, "often locally abundant as a naturalized weed in open places, villages, cultivated fields, and pastures, along roads, and on open slopes" (Smith, 1991; pp. 263-264).  In Niue, "a very common weed of plantations and waste places all over Niue" (Sykes, 1970; p. 69).  In New Guinea, "a weed of gardens, roadsides, waste land and pasture. From sea Level to about 1200 m" (Henty & Pritchard, 1975; p. 84). In Tonga, "a weed of plantations and waste areas" (Yuncker, 1959; p. 265).

Propagation:  "The achenes are wind-dispersed" (Stone, 1970; p. 593).

Native range:  "Presumably indigenous in southeastern Asia and Malesia, now adventive in most southern Pacific archipelagoes and elsewhere in the tropics, including Australia, New Zealand, Africa, and America" (Smith, 1991; pp. 263-254). Fosberg et al. (1979; p. 292) list as native to Micronesia.

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		Yuncker, T. G. (1945) (p. 66) Vouchers cited: Yuncker 9554 (BISH), Garber 1096 (BISH)
American Samoa Manu‘a Islands	Ofu Island	introduced	Ragone, Diane/Lorence, David H. (2003) (p. 49)
American Samoa Manu‘a Islands	Ofu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2001) (voucher ID: PTBG 35352) Taxon name on voucher: Cyanthillium cinereum (L.) H. Rob.
American Samoa Manu‘a Islands	Ta‘u Island		Whistler, W. A. (1990) (p. 3) Voucher cited: Whistler 1367
American Samoa Manu‘a Islands	Ta‘u Island		Yuncker, T. G. (1945) (p. 66) Vouchers cited: Yuncker 9116 (BISH), W. Harris 26 (BISH), W. Harris 345 (BISH), W. Harris 17 (BISH), W. Harris 89 (BISH), W. Harris 105 (BISH), W. Harris 235 (BISH), W. Harris 122 (BISH)
American Samoa Manu‘a Islands	Ta‘u Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1991) (voucher ID: PTBG 12119) Taxon name on voucher: Cyanthillium cinereum (L.) H. Rob.
American Samoa Swain's Island	Swain's Island	introduced invasive	Whistler, W. A. (1983) (p. 9) Voucher cited: Whistler 3380, Schultz 11, Bryan 931A, Bryan 1371
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Agrigan (Agrihan) Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
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) Vouchers cited: Fosberg 31430 (US, BISH), Falanruw 2161 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Aguijan (Agiguan, Aguihan) Island	native	Raulerson, L. (2006) (p. 69)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Alamagan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
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) Vouchers cited: Fosberg 31649 (US), Falanruw 1949 (US), Falanruw 1896 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Anatahan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Anatahan Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Vouchers cited: Hosokawa 7856, Falanruw 1623 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Asuncion Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Asuncion Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Voucher cited: Falanruw 2270 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Asuncion Island	introduced	Ohba, T. (1994) (p. 64) Voucher cited: CBM-BS-59194
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Guguan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Guguan Island	native	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1977) (p. 31) Voucher cited: Falanruw 3112 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Guguan Island	introduced	Ohba, T. (1994) (p. 64) Voucher cited: CBM-BS-58916
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Maug Island	introduced invasive	Fosberg, F. R./Falanruw, M. V. C./Sachet, M.-H. (1975) (p. 43) Voucher cited: Falanruw 2249 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
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) Vouchers cited: Anderson 569 (US, BISH, NY, L), Moore 380 (US), Fosberg 31400 (US)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	introduced	Ohba, T. (1994) (p. 64) Voucher cited: CBM-BS-58993
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Rota Island	native	Raulerson, L. (2006) (p. 69)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Saipan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Sarigan Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
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 1718 (US), Evans 2362 (US, BISH, Fo, NY)
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Cook Islands Northern Cook Islands	Manihiki Atoll	introduced	McCormack, Gerald (2011) ?
Cook Islands Northern Cook Islands	Manuae Atoll (Northern Cook Islands)	introduced	McCormack, Gerald (2011) ?
Cook Islands Northern Cook Islands	Nassau Island	introduced	McCormack, Gerald (2011)
Cook Islands Northern Cook Islands	Penrhyn (Tongareva) Island	introduced	McCormack, Gerald (2011)
Cook Islands Northern Cook Islands	Pukapuka Atoll	introduced	McCormack, Gerald (2011)
Cook Islands Northern Cook Islands	Rakahanga Atoll	introduced	McCormack, Gerald (2011) ?
Cook Islands Southern Cook Islands	‘Atiu Island	introduced	McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Mangaia Island	introduced	McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Ma‘uke Island	introduced	McCormack, Gerald (2011)
Cook Islands Southern Cook Islands	Miti‘aro Island	introduced	McCormack, Gerald (2011)
Ecuador (Galápagos Islands) Isabela Group	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)
Federated States of Micronesia Chuuk Islands	Dublon (Tonowas) Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Lukunor (Núkúnooch) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Nama Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Namonuito (Namonweito, Nómwun Wiité) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Pis Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Puluwat (Pwonowót) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Puluwat (Pwonowót) Atoll	native	Manner, H. I./Mallon, E. (1989) (p. 61) Voucher cited: Manner & Mallon 197 (GUAM)
Federated States of Micronesia Chuuk Islands	Satawan Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Tol Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Chuuk Islands	Weno (Moen) Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Kosrae Island	Kosrae Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced invasive	Lorence, David H./Flynn, Timothy (2010) (p. 13) Voucher cited: Lorence 7869 (PTBG) 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 Kosrae Island	Kosrae Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1996) (voucher ID: PTBG 21071) Taxon name on voucher: Cyanthillium cinereum (L.) Lossing
Federated States of Micronesia Pohnpei Islands	Ant Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Pohnpei Islands	Kapingamarangi Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Pohnpei Islands	Mokil Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Pohnpei Islands	Nukuoro Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2005) (voucher ID: PTBG 46091) Taxon name on voucher: Cyanthillium cinereum
Federated States of Micronesia Pohnpei Islands	Pingelap Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		Glassman, S. F. (1952) (p. 98) Voucher cited: Glassman 2538a (US)
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced invasive	Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 72) Vouchers cited: E. Albert 136 (NY), E. Albert 218 (NY, PTBG), F.R. Fosberg 58570 (BISH), S.F. Glassman 2656 (BISH), D.H. Lorence 8094 (MO, NY, PTBG, US), T. Portner 1 (NY, PTBG), C. Trauernicht 128 (NY, PTBG) Naturalized
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1997) (voucher ID: PTBG 28094) Taxon name on voucher: Cyanthillium cinereum (L.) Less
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2004) (voucher ID: PTBG 43533) Taxon name on voucher: Cyanthillium cinereum
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2005) (voucher ID: PTBG 43886) Taxon name on voucher: Cyanthillium cinereum
Federated States of Micronesia Yap Islands	Fais Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Fais Island	introduced invasive	Fosberg, F. R./Evans, M. (1969) (p. 15) Vouchers cited: Fosberg 46700 (US), Evans 344 (US)
Federated States of Micronesia Yap Islands	Ifalik (Ifaluk) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Lamotrek Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Satawal Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Satawal Island	introduced invasive	Fosberg, F. R. (1969) (p. 13) Voucher cited: Fosberg 46880 (US)
Federated States of Micronesia Yap Islands	Ulithi Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Woleai Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Federated States of Micronesia Yap Islands	Yap (Waqab) Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Fiji Fiji Islands	Lakemba Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Voucher cited: Garnock-Jones 897
Fiji Fiji Islands	Nggamea Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Voucher cited: Harwood 175
Fiji Fiji Islands	Ovalau Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Voucher cited: Smith 7481
Fiji Fiji Islands	Taveuni Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Voucher cited: DA 5719
Fiji Fiji Islands	Vanua Levu Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Vouchers cited: Smith 6617, Harwood 104, Krauss 1022
Fiji Fiji Islands	Vanua Mbalavu Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Voucher cited: Garnock-Jones 1140
Fiji Fiji Islands	Viti Levu Island	introduced invasive	Smith, Albert C. (1991) (pp. 263-264) Vouchers cited: Greenwood 170, DA 9793, DA 10689, Gibbs 873, DA 11314, Smith 9443, DA 11450, Parks 20168, DA 11868, Greenwood 170A, DA 9515, DA 9572, DA 7454, DA 11082, Smith 7004, DA 9943, H.B.R. Parham 46
French Polynesia Gambier Islands	Agakauitai Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Gambier Islands	Agakauitai Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14909 (BISH)
French Polynesia Gambier Islands	Akamaru Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
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 14614 (BISH)
French Polynesia Gambier Islands	Kamaka Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Gambier Islands	Kamaka Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14735 (BISH)
French Polynesia Gambier Islands	Makaroa Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Gambier Islands	Makaroa Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 14747 (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) Vouchers cited: Agassiz 125 (GH), St. John 14539 (BISH)
French Polynesia Gambier Islands	Tarauru-Roa Island	introduced	St. John, Harold (1988) (p. 26) Voucher cited: St. John 11128 (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 14776 (BISH)
French Polynesia Marquesas Islands	Eiao Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J.-C. Thibault 1015 (PAP), J.-C. Thibault 1033 (PAP); var. parviflora (Reinwardt ex Blume) A.P. DC. J. Florence & M. Teikiteetini 9320 (PAP) Adventice
French Polynesia Marquesas Islands	Fatu Hiva Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 7420 (PAP) Adventice
French Polynesia Marquesas Islands	Fatu Hiva Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1988) (voucher ID: PTBG 8823) Taxon name on voucher: Cyanthillium cinereum
French Polynesia Marquesas Islands	Fatu Hiva Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2003) (voucher ID: PTBG 40589) Taxon name on voucher: Cyanthillium cinereum
French Polynesia Marquesas Islands	Hatuta'a (Hatutu) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J.-C. Thibault 1125 (PAP), J.-C. Thibault 1100 (PAP) Adventice
French Polynesia Marquesas Islands	Hatuta'a (Hatutu) Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1988) (voucher ID: PTBG 8317) Taxon name on voucher: Cyanthillium cinereum
French Polynesia Marquesas Islands	Hiva Oa Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Marquesas Islands	Mohotani (Mohotane, Mohotane) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Adventice
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J. Florence 4098 (PAP), J. Florence 4183 (PAP), J. Florence 6678 (PAP), B. Toutain 4254 (PAP), B. Toutain 4246 bis (PAP), B.G. Decker 236 (PAP) Adventice
French Polynesia Marquesas Islands	Tahuata (Tuhuata) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: S.P. Perlman, K.R. Wood & J.-P. Luce 15947 (PAP) Adventice. Common roadside weed
French Polynesia Marquesas Islands	Tahuata (Tuhuata) Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1997) (voucher ID: PTBG 26312) Taxon name on voucher: Cyanthillium cinereum (L.) Less
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 Pou (Huapu, Uapou, Uapu) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: S.P. Perlman, K.R. Wood, J.-Y. Meyer, J.-P. Kautai & B. Kohumoetini 15881 (PAP) Adventice
French Polynesia Society Islands	Bora Bora Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Voucher cited: Grant 5024
French Polynesia Society Islands	Bora Bora Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) var. parviflora (C.G.C. Reinwardt ex C.L. Blume) A.P. de Candolle. Voucher cited: J. Florence 12068 (PAP) Adventice
French Polynesia Society Islands	Huahine Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence & R. Tahuaitu 11766 (PAP) Adventice
French Polynesia Society Islands	Maupiti (Maurua) Island	introduced invasive	Fosberg, F. R./Sachet, M.-H. (1987) (pp. 69-70) Vouchers cited: Raynal 17868, Fosberg 64786 (US)
French Polynesia Society Islands	Mehetia (Mahetia, Meetia) Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Voucher cited: Gagne 1632
French Polynesia Society Islands	Mehetia (Mahetia, Meetia) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 10259 (PAP) Adventice
French Polynesia Society Islands	Moorea Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Voucher cited: C. Cartier 237
French Polynesia Society Islands	Moorea Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J. Florence 2202 (PAP), C.L. Cartier 139 (PAP), C.L. Cartier 237 (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 931 (US)
French Polynesia Society Islands	Raiatea (Havai) Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Vouchers cited: Moore 34, BRY 25733, BRY 26443
French Polynesia Society Islands	Raiatea (Havai) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Vouchers cited: J. Florence 3461 (PAP), J. Florence 10418 (PAP), P. Morat 7015 (PAP) Adventice
French Polynesia Society Islands	Taha‘a Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Voucher cited: Florence 5268
French Polynesia Society Islands	Taha‘a Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: Florence 5268 (PAP) Adventice
French Polynesia Society Islands	Tahiti Island	introduced invasive	Welsh, S. L. (1998) (p. 81) Vouchers cited: BRY 25769, BRY 26343
French Polynesia Society Islands	Tahiti Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence & J.-C. Jolinon 8090 (PAP) Adventice
French Polynesia Society Islands	Tetiaroa Atoll	introduced invasive	Sachet, M.-H./Fosberg, F. R. (1983) (p. 54) Vouchers cited: Fosberg 54586 (US), Raynal 18021 (P), Florence 3260 (P, US)
French Polynesia Society Islands	Tetiaroa Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 3260 (PAP) Adventice
French Polynesia Society Islands	Tupai Island	introduced invasive	Sachet, M.-H. (1983) (p. 24) var. parviflora (Bl.) DC.
French Polynesia Tuamotu Archipelago	Makatea (Ma‘atea) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 3022 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Niau Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 10154 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Niau Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1990) (voucher ID: PTBG 16560) Taxon name on voucher: Cyanthillium cinereum (L.) H. Rob.
French Polynesia Tuamotu Archipelago	Rangiroa (Rairoa) Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 9988 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Raro‘ia Atoll		Doty, Maxwell S. (1954) (p. 35)
French Polynesia Tuamotu Archipelago	Raro‘ia Atoll	introduced invasive	Meyer, Jean-Yves/Fourdrigniez, Marie (2008) (p. 13) As Vernonia cinerea Adventice d'introduction européene.
French Polynesia Tuamotu Archipelago	Takapoto Atoll	introduced invasive	Sachet, M-H. (1983) (p. 39) Vouchers cited: Sachet 2027 (US), Whitney Exped. 1923 (BISH)
French Polynesia Tuamotu Archipelago	Takapoto Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: M.-H. Sachet 2027 (PAP) Adventice
French Polynesia Tuamotu Archipelago	Tikehau (Tikahau) Atoll	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 7087 (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 5701 (PAP), J. Florence 5792 (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 6180 (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. 593-594) Voucher cited: Stone 3909 (GUAM)
Guam Guam Island	Guam Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Lāna‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	Ni‘ihau Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 373)
Japan (offshore islands) Bonin (Ogasawara) Islands	Bonin (Ogasawara) Islands	introduced	Kato, Hidetoshi (2007) Also var. parviflora (Reinw. ex Blume) DC.
Kiribati Line Islands	Flint Island	introduced invasive	St. John, Harold/Fosberg, F. Raymond (1937) (p. 4) Voucher cited: St. John & Fosberg 17461 (BISH)
Kiribati Line Islands	Kiritimati (Christmas) Atoll		Chock, Alvin K./Hamilton, Jr., Dean C. (1962) (p. 6) Voucher cited: Bergman 22
Kiribati Line Islands	Kiritimati (Christmas) Atoll	introduced invasive	Wester, Lyndon (1985) (p. 33)
Kiribati Line Islands	Kiritimati (Christmas) Atoll	introduced invasive	Christophersen, Erling (1927) (pp. 27, 78) Voucher cited: Bergman 22
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 lawns and waste places at the settlement. Voucher cited: Bergman 95
Kiribati Phoenix Islands	Manra (Sydney) Island	introduced invasive	Fosberg, F. R./Stoddart, D. R. (1994) (p. 13) Vouchers cited: Fosberg & Stoddart 54851 (US, HAW, K), Long 2546 (US), Long 2585 (US?), Long 2562 (US), Long 2563 (US), Bryan 41 (BISH)
Kiribati Phoenix Islands	Orona (Hull) Atoll	introduced invasive	Fosberg, F. R./Stoddart, D. R. (1994) (p. 13) Vouchers cited: Fosberg & Stoddart 54798 (US, HAW, K), Long 2006 (US), Long 2012 (US), Long 2044 (US?), Clapp P-71-43 (US)
Kiribati Tungaru (Gilbert) Islands	Abemama Atoll	native	Space, James C./Imada, Clyde T. (2004) (p. 76)
Kiribati Tungaru (Gilbert) Islands	Butaritari Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Kiribati Tungaru (Gilbert) Islands	Butaritari Atoll	native	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 31196) Taxon name on voucher: Cyanthillium cinereum
Kiribati Tungaru (Gilbert) Islands	Maiana Atoll	native	Space, James C./Imada, Clyde T. (2004) (p. 79)
Kiribati Tungaru (Gilbert) Islands	Onotoa Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Kiribati Tungaru (Gilbert) Islands	Onotoa Atoll		Moul, Edwin T. (1957) (p. 22) Voucher cited: Moul 8193 (US)
Kiribati Tungaru (Gilbert) Islands	Tabiteuea Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Kiribati Tungaru (Gilbert) Islands	Tarawa Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Kiribati Tungaru (Gilbert) Islands	Tarawa Atoll	native	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 31195) Taxon name on voucher: Cyanthillium cinereum
Marshall Islands Ralik Chain	Ailinglaplap (Ailinglapalap) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ralik Chain	Bikini (Pikinni) Atoll	introduced	Fosberg, F. Raymond (1990) (p. 39)
Marshall Islands Ralik Chain	Ebon (Epoon) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ralik Chain	Enewetak (Ãnewetak, Eniwetok) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ralik Chain	Enewetak (Ãnewetak, Eniwetok) Atoll	introduced invasive	St. John, Harold (1960) (pp. 334-335) Vouchers cited: Palumbo 1123, St. John 23710
Marshall Islands Ralik Chain	Enewetak (Ãnewetak, Eniwetok) Atoll	introduced invasive	Fosberg, F. R. (1955) (p. 22) Vouchers cited: Fosberg 24368 (US), Fosberg 24382 (US)
Marshall Islands Ralik Chain	Jaluit (Jãlwõj) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ralik Chain	Jaluit (Jãlwõj) Atoll	introduced invasive	Fosberg, F. R./Sachet, M.-H. (1962) (p. 37) Vouchers cited: St. John 21700 (BISH), Fosberg 26750 (US), Fosberg 39484 (US)
Marshall Islands Ralik Chain	Kili (Kõle) Atoll	introduced invasive	Vander Velde, Nancy/Vander Velde, Brian (2006) (p. 6) "Common; weed of fields and ruderal areas".
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced invasive	Whistler, W. A./Steele, O. (1999) (pp. 38-39) Vouchers cited: Bryan s.n., Fosberg 31209, Herbst 8906, Herbst 8959, Whistler 11214
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll	introduced invasive	Fosberg, F. R. (1955) (p. 22) Voucher cited: Fosberg 31209 (US)
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1998) (voucher ID: PTBG 43933) Taxon name on voucher: Cyanthillium cinereum
Marshall Islands Ratak Chain	Arno Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ratak Chain	Arno Atoll		Anderson, Donald (1951) (p. vi) Voucher cited: Anderson 3614
Marshall Islands Ratak Chain	Arno Atoll	introduced invasive	Vander Velde, Nancy/Vander Velde, Brian (2007) (p. 5) "Common; in lawns and ruderal areas; (name given by Anderson, "jan-aelon-nan-aelon", not known by any informant on Arno or anywhere else)".
Marshall Islands Ratak Chain	Likiep Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ratak Chain	Likiep Atoll	introduced invasive	Fosberg, F. R. (1955) (p. 22) Voucher cited: Fosberg 26990 (US)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced invasive	Vander Velde, Nancy (2003) (p. 73)
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. A11) Common; ruderal areas, all inhabited islands visited.
Marshall Islands Ratak Chain	Wotje (Wõjjã) Atoll		Vander Velde, Nancy/Vander Velde, Brian (2009) (p. 2) As Vernonia cinerea (L.) Less. Voucher cited: Vander Velde 0514200906
Marshall Islands Ratak Chain	Wotje (Wõjjã) Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2009) (voucher ID: PTBG 49808) Taxon name on voucher: Cyanthillium cinereum
Nauru Nauru Island	Nauru Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Nauru Nauru Island	Nauru Island	introduced invasive	Thaman, R. R./Fosberg, F. R./Manner, H. I./Hassall, D. C. (1994) (pp. 101-102) Vouchers cited: Fosberg 58611 (US), Scully 118N (US), Thaman & Manner 67 (SUVA), Swarbrick 9539 (BRIU)
New Caledonia Îles Bélep (Belep Islands)	Île Art	introduced	MacKee, H. S. (1994) (p. 39) Voucher cited: MacKee 30544
New Caledonia Îles Loyauté (Loyalte Islands)	Îles Loyauté (Loyalty Islands)	introduced invasive	Tassin, Jacques (2005)
New Caledonia Îles Loyauté (Loyalte Islands)	Île Maré	introduced	MacKee, H. S. (1994) (p. 39) Voucher cited: Däniker 2581
New Caledonia Îles Loyauté (Loyalte Islands)	Îles Ouvéa (Ouvea Atoll)	introduced	MacKee, H. S. (1994) (p. 39) Voucher cited: Däniker 2058
New Caledonia New Caledonia	New Caledonia Islands	introduced invasive	Gargominy, Oliver/Bouchet, Philipe/Pascal, Michel/Jaffre, Tanguy/Tourneu, Jean-Christophe (1996) (p. 379) Rudérale, nombreuses localités
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. 39) Vouchers cited: Védel s.n., Thiébaut s.n. s.loc., Balansa 15, MacKee 6629, MacKee 15216
New Caledonia New Caledonia Archipelago	Île des Pins (Isle of Pines)	introduced invasive	Tassin, Jacques (2005)
New Caledonia New Caledonia Archipelago	Île des Pins (Isle of Pines)	introduced	MacKee, H. S. (1994) (p. 39) Voucher cited: Germain s.n.
New Caledonia New Caledonia Archipelago	Île Yande	introduced	MacKee, H. S. (1994) (p. 39) Voucher cited: MacKee 22595
Niue Niue	Niue Island	introduced invasive	Sykes, W. R. (1970) (p. 69) Voucher cited: CHR 170493
Niue Niue	Niue Island	introduced invasive	Whistler, W. A. (1988) (p. 13)
Niue Niue	Niue Island	introduced invasive	Whistler, W. A./Atherton, J. (1997) (p. 27)
Niue Niue	Niue Island	introduced invasive	Yuncker, T. G. (1943) (p. 115) Voucher cited: Yuncker 9863 (BISH) "Common in waste areas, lawns and plantations".
Niue Niue	Niue Island	introduced invasive	Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 48)
Palau Hatohobei Group	Tobi Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Hatohobei Group	Tobi Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 110)
Palau Hatohobei Group	Tobi Island		Beleu National Museum (Republic of Palau. Koror.) (1968) (voucher ID: BNM 264) Taxon name on voucher: Vernonia cinerea (L.) Less.
Palau Palau (main island group)	Angaur Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Palau (main island group)	Angaur Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 104)
Palau Palau (main island group)	Angaur Island	native	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes)
Palau Palau (main island group)	Babeldaob Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Palau (main island group)	Babeldaob Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 102)
Palau Palau (main island group)	Babeldaob Island	native	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes)
Palau Palau (main island group)	Babeldaob Island		Beleu National Museum (Republic of Palau. Koror.) (2007) (voucher ID: BNM 11150718) Taxon name on voucher: Vernonia cinerea (L.) Less Sensulato
Palau Palau (main island group)	Babeldaob Island		Beleu National Museum (Republic of Palau. Koror.) (1977) (voucher ID: BNM 10104) Taxon name on voucher: Vernonia cinerea (L.) Less.
Palau Palau (main island group)	Kayangel (Ngcheangel) Island		Beleu National Museum (Republic of Palau. Koror.) (1979) (voucher ID: BNM 1145) Taxon name on voucher: Vernonia cinerea
Palau Palau (main island group)	Koror Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Palau (main island group)	Koror Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 99)
Palau Palau (main island group)	Koror Island	native	Lorence, David H./Flynn, Tim (2010) (p. 22) Voucher cited: Lorence 8261 (PTBG)
Palau Palau (main island group)	Koror Island		Beleu National Museum (Republic of Palau. Koror.) (1966) (voucher ID: BNM 1149) Taxon name on voucher: Vernonia cinerea var. parviflora DC.
Palau Palau (main island group)	Koror Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1998) (voucher ID: PTBG 27939) Taxon name on voucher: Cyanthillium cinereum (L.) Less
Palau Palau (main island group)	Malakal Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 99)
Palau Palau (main island group)	Ngerkebesang Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 99)
Palau Palau (main island group)	Peleliu Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Palau (main island group)	Peleliu Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 107)
Palau Palau (main island group)	Peleliu Island	native	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes)
Palau Rock Islands	Ngchus Island	native	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes)
Palau Rock Islands	Ngeanges Island	native	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. Field notes)
Palau Sonsorol Group	Merir Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 109)
Palau Sonsorol Group	Pulo Ana Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Sonsorol Group	Pulo Ana Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 109)
Palau Sonsorol Group	Pulo Ana Island		Beleu National Museum (Republic of Palau. Koror.) (1970) (voucher ID: BNM 262) Taxon name on voucher: Vernonia cinerea (L.) Less.
Palau Sonsorol Group	Sonsorol Island	native	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 292)
Palau Sonsorol Group	Sonsorol Island	native	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 109)
Palau Sonsorol Group	Sonsorol Island		Beleu National Museum (Republic of Palau. Koror.) (1968) (voucher ID: BNM 263) Taxon name on voucher: Vernonia cinerea (L.) Less.
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)	invasive	Henty, E. E./Pritchard, G. H. (1975) (p. 84) From sea level to about 1200 m.
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)		Waterhouse, D. F. (1997) (p. 66)
Papua New Guinea Papua New Guinea (eastern New Guinea Island)	Papua New Guinea (eastern New Guinea Island)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Philippines Philippine Islands	Philippine Islands	invasive	Merrill, Elmer D. (1923) (pp. 592-93) A common weed in open waste places throughout the settled areas at low and medium altitudes.
Pitcairn Islands Pitcairn Islands	Pitcairn Island	introduced invasive	St. John, H. (1987) (p. 55) Voucher cited: Fosberg & B. Christian 11184
Pitcairn Islands Pitcairn Islands	Pitcairn Island	introduced	Fosberg, F. R./Paulay, Gustav/Spencer, T./Oliver, Royce (1989) (p. 15) Voucher cited: Paulay, Spencer & Schuster 662 (US)
Pitcairn Islands Pitcairn Islands	Pitcairn Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2011) Voucher cited: J. Florence 11024 (PAP) Adventice
Samoa Western Samoa Islands	Western Samoa Islands		Whistler, W. A. (1988) (p. 13)
Solomon Islands Solomon Islands	Solomon Islands		Swarbrick, John T. (1997) (p. 98)
Solomon Islands Solomon Islands	Solomon Islands	native	Hancock, I. R./Henderson, C. P. (1988) (p. 117)
Tonga Ha‘apai Group	Ha‘apai Islands		Whistler, W. A. (1992) (p. 9) Voucher cited: Soakai 283
Tonga Tonga Islands	Tonga Islands	introduced invasive	Yuncker, T. G. (1959) (p. 265) "Throughout Tonga".
Tonga Tongatapu Group	‘Eua Island		Whistler, W. A. (1992) (p. 9) Voucher cited: Soakai 896 (EI)
Tonga Tongatapu Group	‘Eua Island	introduced invasive	Yuncker, T. G. (1959) (p. 265) Voucher cited: Yuncker 15419
Tonga Tongatapu Group	Tongatapu Island		Whistler, W. A. (1992) (p. 9) Vouchers cited: Setchell & Parks 15216, Lawrence 49, Ilolahia 49, Soakai 117, Soakai 327, Soakai 438, Soakai 792, Soakai 794, Soakai 910, Soakai 972, Soakai 977, Whistler 6089
Tonga Tongatapu Group	Tongatapu Island	introduced invasive	Yuncker, T. G. (1959) (p. 265) Vouchers cited: Yuncker 16240, Yuncker 15182
Tonga Vava‘u Group	Niuatoputapu Island		Whistler, W. A. (1992) (p. 9) Voucher cited: Soakai 876
Tonga Vava‘u Group	Vava‘u Island		Whistler, W. A. (1992) (p. 9) Voucher cited: Crosby 92
Tonga Vava‘u Group	Vava‘u Island	introduced invasive	Yuncker, T. G. (1959) (p. 265) Cited: Crosby.
Tonga Vava‘u Group	Vava‘u Island		Burkill, I. H. (1900) (p. 43)
Tuvalu Tuvalu (Ellis) Islands	Nui Atoll		Woodroffe, C. D. (1985) (p. 16) Voucher cited: Woodroffe 106 (CHR)
Tuvalu Tuvalu (Ellis) Islands	Tuvalu Islands		Swarbrick, John T. (1997) (p. 98)
United States (other Pacific offshore islands) Johnston Atoll	Johnston Island	introduced invasive	Amerson, A. Binion, Jr./Shelton, Philip C. (1976) (p. 60)
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. 98)
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. 13)

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)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Australia Australia (continental)	Northern Territory		Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 903)
Australia Australia (continental)	Queensland		Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (p. 903)
Cambodia Cambodia	Cambodia (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
China China	China (People's Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
China China	Hong Kong	native	Wu, Te-lin (2001) (p. 289) As Vernonia cinerea (L.) Less.
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Japan Japan	Japan (country)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Japan Ryukyu Islands	Ryukyu Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Malaysia Malaysia	Malaysia (country of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Singapore Singapore	Singapore (Republic of)	probably native	Waterhouse, D. F. (1993) (pp. 69, 79)
Singapore Singapore	Singapore (Republic of)	uncertain if introduced invasive	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 89) As Vernonia cinerea (L.) Less., weed of uncertain origin
Taiwan Taiwan	Taiwan Island	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Taiwan Taiwan	Taiwan Island	native	Ching-I Peng, ed. (2011) "Common along roadsides and in grassy fields throughout the island, often becoming a weed in gardens".
Thailand Thailand	Thailand (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Vietnam Vietnam	Vietnam (Socialist Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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. 130)
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		Stoddart, D. R./Taylor, J. D., eds. (1971) (p. 159) Vouchers cited: Bourne 2 (K), Bourne 3 (K), Rhyne 673 (US), Stoddart 774 (K, US), Wiehe 1616 (MAU)
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island	introduced invasive	Whistler, W. Arthur (1996) (p. 26) As Vernonia cinerea (L.) Less.
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1995) (voucher ID: PTBG 37884) Taxon name on voucher: Vernonia cinerea (L.) Less.
Maldives Maldive Islands	Addu Atoll		Spicer, R. A./Newberry, D. MacC. (1979) (p. 12) Var. parviflora (Bl.) DC.
Maldives Maldive Islands	Malè Atoll		Fosberg, F. R. (1957) (p. 35) Voucher cited: Fosberg 36874 (US)
Mauritius Mautitius Islands (Mauritius and Rodrigues)	Mauritius Island		Holm, Leroy/Doll, Jerry/Holm, Eric/Pancho, Jaun/Herberger, James (1997) (pp. 903, 906)
French Territory of Mayotte Mayotte Islands	Mayotte Island	introduced invasive	Comité français de l'Union Internationale pour la Conservation de la Nature en France (2010) envahissant principalement dans les milieux perturbés
Seychelles Seychelles Islands	Agalega Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Stoddart, D. R. (1983) (p. 115) Voucher cited: Stoddart 7274 (US)
Seychelles Seychelles Islands	Alphonse Island		Robertson, I. A. D./Robertson, S. A./Fosberg, F. R. (1983) (p. 179) Voucher cited: Robertson 2849 (K)
Seychelles Seychelles Islands	Coetivy Island		Robertson, S. A./Fosberg, F. R. (1983) (p. 146) Voucher cited: Robertson 3092 (K)
Seychelles Seychelles Islands	Cousin Island	introduced invasive	Fosberg, F. R. (1983) (p. 33) Voucher cited: Fosberg 52071 (US)
Seychelles Seychelles Islands	Frégate Island		Robertson, S. A./Todd, D. M. (1983) (p. 47) Voucher cited: Robertson 2676
Seychelles Seychelles Islands	Platte Island		Robertson, S. A./Fosberg, F. R. (1983) (p. 160) Voucher cited: Robertson 3045 (K)
Seychelles Seychelles Islands	Poivre Island		Robertson, S. A./Fosberg, F. R. (1983) (p. 169) Voucher cited: Robertson 2374 (K)
Seychelles Seychelles Islands	St. Joseph Island		Stoddart, D. R./Coe, M. J./Fosberg, F. R. (1979) (p. 48) Vouchers cited: Gwynne & Wood 970 (EA), Stoddart 7179 (US)

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

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

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

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