Bothriochloa bladhii (Retz.) S.T.Blake, Poaceae

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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 19 (Go to the risk assessment)

Other Latin names:  Andropogon bladhii Retz.; Andropogon intermediusR. Br.; Bothriochloa caucasica (Trin.) C.E. Hubbard; Bothriochloa glabra (Roxb.) A. Camus; Bothriochloa intermedia (R. Br.) A. Camus

Common name(s): [more details]

Chinese: chou gen zi cao

English: Australian beadgrass, Australian bluestem, Burnett River-bluegrass, Caucasian bluestem, blue grass, forest bluegrass, plains bluestem, purple plume grass

Fijian: Lautoka grass, thamboni grass

Palauan: desum

Yapese: muu

Habit:  grass

Description:  "Tufted, erect or ascending, up to 1.5 m tall; culms unbranched or sparsely branched, nodes bearded or glabrous.  Leaf sheaths glabrous or pubescent at base; ligules short, often with few long hairs; leaf blades linear, apex attenuate, up to 30 cm x 0.3-0.8 cm, ± glabrous.  Inflorescences panicles, racemes numerous, borne loosely or densely, 2-5 cm long, joints and pedicels with long ± spreading hairs; sessile spikelet 3-4 mm long with densely bearded callus at base, lower glume as long as spikelet, hairy in lower part, with or without pit, upper glume as long as spikelet, acute or ± obtuse, lower floret with lemma ± as long as spikelet, upper floret with lemma shorter than spikelet, awn 1-1.8 cm long, palea absent; pedicellate spikelet reduced to glumes, linear-ovate, 4-6 mm long" (Stanley & Ross, 1989; vol. 3, p. 256).

"Perennial [grass], the culms glabrous, with well marked nodes, 30-90 cm high; leaf blades flat or folded, glabrous, 15-37 cm long, 5-10 mm broad; panicle 7-15 cm long, the axis smooth, the branches slender, whorled, 2.5-6 cm long, the rachis joints pilose; sterile spikelet 2.5 mm long, pilose on margins, the sessile spikelet shortly pilose near base, about 5 mm long; fertile lemma bearing slender awn about 1 cm long" (Smith, 1979; p. 385).

Description from GrassBase.
Description from the Flora of China online.

Habitat/ecology:  In Fiji, naturalized in dry zones on open hillsides, in pastures and canefields, and along roadsides from sea level to about 60 m (Smith, 1979; p. 385). In New Caledonia, "maintenant très commun sur la Grande-Terre en végétation secondaire" (MacKee, 1994; p. 57).

Propagation:  Seed

Native range:  Tropical Africa through India to China and Australia; naturalized elsewhere (GRIN).

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	introduced	Ragone, Diane/Lorence, David H. (2003) (p. 48)
American Samoa Manu‘a Islands	Ofu Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (year unknown) (voucher ID: PTBG 34830) Taxon name on voucher: Bothriochloa bladhii (Retz.) S. T. Blake
American Samoa Tutuila Islands	Aunu‘u Island		Whistler, W. A. (1980) (p. 163)
American Samoa Tutuila Islands	Aunu‘u Island		Bishop Museum (Honolulu) (1976) (voucher ID: BISH 430465) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
American Samoa Tutuila Islands	Tutuila Island		Whistler, W. A. (1988) (p. 46) Voucher cited: Whistler 3278
American Samoa Tutuila Islands	Tutuila Island		Whistler, W. A. (1980) (p. 163)
American Samoa Tutuila Islands	Tutuila Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1993) (voucher ID: PTBG 27462) Taxon name on voucher: Bothriochloa bladhii
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 637071) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Pagan Island		Bishop Museum (Honolulu) (1984) (voucher ID: BISH 1000087) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Rota Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Northern Mariana Islands	Tinian Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island		Bishop Museum (Honolulu) (1986) (voucher ID: BISH 572593) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Commonwealth of the Northern Mariana Islands (US) Saipan	Saipan Island		Bishop Museum (Honolulu) (1986) (voucher ID: BISH 572594) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Cook Islands Southern Cook Islands	Aitutaki Atoll	introduced invasive	Space, James C./Flynn, Tim (2002) (p. 74)
Federated States of Micronesia Chuuk Islands	Weno (Moen) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Federated States of Micronesia Chuuk Islands	Weno (Moen) Island		Bishop Museum (Honolulu) (1977) (voucher ID: BISH 435320) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Chuuk Islands	Weno (Moen) Island		Bishop Museum (Honolulu) (1980) (voucher ID: BISH 588755) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced	Space, James C./Waterhouse, Barbara/Denslow, Julie S./Nelson, Duane/Waguk, Erick E. (2000) (p. 27) Voucher: BMW 5780 (BISH)
Federated States of Micronesia Kosrae Island	Kosrae Island	introduced invasive	Lorence, David H./Flynn, Timothy (2010) (p. 10) Voucher cited: Flynn 6119 (PTBG) Naturalized
Federated States of Micronesia Kosrae Island	Kosrae Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1997) (voucher ID: PTBG 24538) Taxon name on voucher: Bothriochloa bladhii (Retz.) Blake
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Federated States of Micronesia Pohnpei Islands	Pohnpei Island	introduced invasive	Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (p. 54) Vouchers cited: S.F. Glassman 2406 (BISH), W.B. Jacson 4 (BISH), L. Stemmermann 2915 (BISH), B.C. Stone 1964 (BISH) Naturalized
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		Bishop Museum (Honolulu) (1949) (voucher ID: BISH 124122) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		Bishop Museum (Honolulu) (1977) (voucher ID: BISH 432434) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Pohnpei Islands	Pohnpei Island		Bishop Museum (Honolulu) (1956) (voucher ID: BISH 572010) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Yap Islands	Fais Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Federated States of Micronesia Yap Islands	Fais Island	introduced invasive	Fosberg, F. R./Evans, M. (1969) (p. 3) Voucher cited: Fosberg 46675 (US)
Federated States of Micronesia Yap Islands	Tomil Island		Bishop Museum (Honolulu) (1946) (voucher ID: BISH 571841) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Yap Islands	Ulithi Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Federated States of Micronesia Yap Islands	Yap (Waqab) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Federated States of Micronesia Yap Islands	Yap (Waqab) Island		Bishop Museum (Honolulu) (1936) (voucher ID: BISH 39603) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Yap Islands	Yap (Waqab) Island		Bishop Museum (Honolulu) (1956) (voucher ID: BISH 124124) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Yap Islands	Yap (Waqab) Island		Bishop Museum (Honolulu) (1977) (voucher ID: BISH 432338) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Federated States of Micronesia Yap Islands	Yap (Waqab) Island		Bishop Museum (Honolulu) (1980) (voucher ID: BISH 588753) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Fiji Fiji Islands	Kanathea Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Lakemba Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Lau Island		Bishop Museum (Honolulu) (1965) (voucher ID: BISH 31644) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Fiji Fiji Islands	Matuku Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Mbatiki Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Nairai Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Nayau Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Ngau Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Totoya Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387)
Fiji Fiji Islands	Vanua Levu Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387) Voucher cited: DA 14305
Fiji Fiji Islands	Vanua Mbalavu Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387) Voucher cited: DA L.11008
Fiji Fiji Islands	Viti Levu Island	introduced invasive	Smith, Albert C. (1979) (pp. 385-387) Vouchers cited: Greenwood 814, DA 8252, DA 8266, Degener 14960, DA 9061, DA 12584, DA 3029, DA 8116, DA 9362, DA 3950, DA 10134, DA 7747, DA 9122
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1962) (voucher ID: BISH 31640) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1955) (voucher ID: BISH 31641) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1956) (voucher ID: BISH 31642) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Fiji Fiji Islands	Viti Levu Island		Bishop Museum (Honolulu) (1945) (voucher ID: BISH 31643) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
French Polynesia Marquesas Islands	Nuku Hiva (Nukahiva) Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Voucher cited: J. Florence 6926 (PAP) Adventice
French Polynesia Society Islands	Tahiti Island	introduced invasive	Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013) Adventice
Guam Guam Island	Guam Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1978) (voucher ID: BISH 588374) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1980) (voucher ID: BISH 588754) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1983) (voucher ID: BISH 649560) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Guam Guam Island	Guam Island		Bishop Museum (Honolulu) (1983) (voucher ID: BISH 1000152) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
State of Hawaii Hawaiian Islands	Hawai‘i (Big) Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1502)
State of Hawaii Hawaiian Islands	Kaho‘olawe Island	introduced invasive	Starr, Forest/Starr, Kim/Loope, Lloyd L. (2006) (p. 38) Voucher cited: Starr, Starr, Abbott & Mar 030730-1 (BISH)
State of Hawaii Hawaiian Islands	Maui Island	introduced invasive	Herbarium Pacificum Staff (1997) (p. 18) East Maui. Voucher cited: R. Hobdy 3911 (BISH)
State of Hawaii Hawaiian Islands	Moloka‘i Island	introduced invasive	Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 1502) Voucher cited: Hitchcock 15079 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Snow, Neil (2008) (p. 38) Voucher cited: US Army 79 (BISH)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive	Frohlich, Danielle/Lau, Alex (2010) (p. 14) Voucher cited: K. Kawelo USARMY 79 (BISH)
Japan (offshore islands) Ogasawara (Bonin) Islands	Bonin (Ogasawara) Islands	introduced	Kato, Hidetoshi (2007)
Marshall Islands Ralik Chain	Bikini (Pikinni) Atoll		Wagner, W. L./ Herbst, D. R./Weitzman, A./Lorence, D.H. (2013)
Marshall Islands Ralik Chain	Enewetak (Ãnewetak, Eniwetok) Atoll		Whistler, W. A./Steele, O. (1999) (pp. 78-79)
Marshall Islands Ralik Chain	Enewetak (Ãnewetak, Eniwetok) Atoll		Bishop Museum (Honolulu) (1993) (voucher ID: BISH 631432) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Marshall Islands Ralik Chain	Kili (Kõle) Atoll	introduced invasive	Vander Velde, Nancy/Vander Velde, Brian (2006) (p. 3) "Common to locally abundant; one of the dominant grasses of the airport, other fields and ruderal areas".
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll		Whistler, W. A./Steele, O. (1999) (pp. 78-79) Vouchers cited: Herbst 9625, Whistler 11264
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll		Bishop Museum (Honolulu) (1993) (voucher ID: BISH 631451) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Marshall Islands Ralik Chain	Kwajalein (Kuwajleen) Atoll		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (1998) (voucher ID: PTBG 47560) Taxon name on voucher: Bothriochloa bladhii (Retz.) S. T. Blake
Marshall Islands Ratak Chain	Arno Atoll	introduced invasive	Vander Velde, Nancy/Vander Velde, Brian (2007) (p. 3) "Common; in lawns and ruderal areas".
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll	introduced invasive	Vander Velde, Nancy (2003) (p. 48)
Marshall Islands Ratak Chain	Majuro (Mãjro) Atoll		Bishop Museum (Honolulu) (1988) (voucher ID: BISH 606426) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
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; along runway, along pathway, other ruderal areas throughout Mili. Voucher 0722201003 (BISH, GUAM, PTBG)
Marshall Islands Ratak Chain	Wotje (Wõjjã) Atoll	introduced	Vander Velde, Nancy/Vander Velde, Brian (2009) (p. 2) Voucher cited: Vander Velde 0514200910
Nauru Nauru Island	Nauru Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
New Caledonia New Caledonia Archipelago	Île Grande Terre	introduced	Gargominy, Oliver/Bouchet, Philipe/Pascal, Michel/Jaffre, Tanguy/Tourneu, Jean-Christophe (1996) (p. 380) Possibly indigenous. Très commune sur la Grande-Terre en formations secondaires.
New Caledonia New Caledonia Archipelago	Île Grande Terre	possibly native invasive	MacKee, H. S. (1994) (p. 67) Voucher cited: Baudouin 583
New Zealand (offshore islands) Kermadec Islands	Raoul Island	introduced	Sykes, W. R./West, C. J. (1996) (p. 457)
New Zealand (offshore islands) Kermadec Islands	Raoul Island	introduced invasive	Edgar, E./Connor, H. (2000) (p. 602)
Niue Niue	Niue Island	introduced invasive	Whistler, W. A. (1988) (p. 46) Voucher cited: Krause 1588
Niue Niue	Niue Island	introduced invasive	Space, James C./Flynn, Tim (2000) (p. 26) Voucher: Flynn 6691 (PTBG, K, NIUE)
Niue Niue	Niue Island	introduced invasive	Whistler, W. A./Atherton, J. (1997) (p. 54)
Niue Niue	Niue Island	introduced invasive	Space, James C./Waterhouse, Barbara M./Newfield, Melanie/Bull, Cate (2004) (p. 39)
Niue Niue	Niue Island		National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2000) (voucher ID: PTBG 30192) Taxon name on voucher: Bothriochloa bladhii (Retz.) S. T. Blake
Palau Palau (Belau ) (main island group)	Angaur (Ngeaur) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Angaur (Ngeaur) Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 88)
Palau Palau (Belau ) (main island group)	Babeldaob Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 84)
Palau Palau (Belau ) (main island group)	Babeldaob Island	introduced invasive	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 20)
Palau Palau (Belau ) (main island group)	Babeldaob Island		Bishop Museum (Honolulu) (1996) (voucher ID: BISH 651033) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Babeldaob Island		Bishop Museum (Honolulu) (1996) (voucher ID: BISH 651087) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Babeldaob Island		Bishop Museum (Honolulu) (1999) (voucher ID: BISH 662913) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Palau Palau (Belau ) (main island group)	Babeldaob Island		Bishop Museum (Honolulu) (1997) (voucher ID: BISH 697866) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Palau Palau (Belau ) (main island group)	Babeldaob Island		Beleu National Museum (Republic of Palau. Koror.) (1982) (voucher ID: BNM 3154) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Babeldaob Island		Beleu National Museum (Republic of Palau. Koror.) (1981) (voucher ID: BNM 3087) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 79)
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island		Bishop Museum (Honolulu) (1977) (voucher ID: BISH 428555) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Palau Palau (Belau ) (main island group)	Koror (Oreor) Island		Beleu National Museum (Republic of Palau. Koror.) (1977) (voucher ID: BNM 10013) Taxon name on voucher: Bothriochloa bladhii (Retz.) Blake
Palau Palau (Belau ) (main island group)	Malakal (Ngemelachel) Island	introduced	Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1987) (p. 36) As Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Malakal (Ngemelachel) Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 79)
Palau Palau (Belau ) (main island group)	Malakal (Ngemelachel) Island		Beleu National Museum (Republic of Palau. Koror.) (1981) (voucher ID: BNM 3123) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Palau Palau (Belau ) (main island group)	Ngerkebesang Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 79)
Palau Palau (Belau ) (main island group)	Peleliu (Beliliou) Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 90)
Palau Rock Islands (Chelbacheb)	Bkul a Chesemiich Island	introduced invasive	Space, James C./Waterhouse, Barbara/Miles, Joel E./Tiobech, Joseph/Rengulbai, Kashgar (2003) (p. 92)
Palau Rock Islands (Chelbacheb)	Ngchelobel Island	introduced invasive	Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 20)
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. (2013)
Samoa Western Samoa Islands	Savai‘i Island		Whistler, W. A. (1988) (p. 46) Voucher cited: Whistler 2330
Samoa Western Samoa Islands	Upolu Island		Whistler, W. A. (1988) (p. 46) Voucher cited: Parham 9708
Samoa Western Samoa Islands	Upolu Island		Bishop Museum (Honolulu) (1974) (voucher ID: BISH 418167) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Solomon Islands Solomon Islands	Mbanika Island		Bishop Museum (Honolulu) (1991) (voucher ID: BISH 1001204) Taxon name on voucher: Dichanthium bladhii (Retz.) Clayton
Tonga Tongatapu Group	‘Eua Island	introduced invasive	Space, James C./Flynn, Tim (2001) (p. 58)
Tonga Tongatapu Group	‘Eua Island		Yuncker, T. G. (1959) (p. 65) Vouchers cited: Yuncker 15440
Tonga Tongatapu Group	‘Eua Island		Bishop Museum (Honolulu) (1953) (voucher ID: BISH 115060) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Tonga Tongatapu Group	‘Eua Island		Bishop Museum (Honolulu) (1953) (voucher ID: BISH 115061) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Tonga Tongatapu Group	‘Eua Island		Bishop Museum (Honolulu) (1980) (voucher ID: BISH 490415) Taxon name on voucher: Bothriochloa bladhii (Retz.) S.T.Blake
Tonga Vava‘u Group	Vava‘u Island		Yuncker, T. G. (1959) (p. 65) Cited: Crosby.
Wallis and Futuna Wallis and Futuna (Horne) Islands	Wallis and Futuna Islands		Whistler, W. A. (1988) (p. 46)

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)	New South Wales	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia Australia (continental)	Australia (continental)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013) South Australia, Western Australia
Australia Australia (continental)	Northern Territory	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia Australia (continental)	Queensland	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Cambodia Cambodia	Cambodia (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
China China	China (People's Republic of)	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Exposed slopes, waste ground; 400-1600 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Shaanxi, Sichuan, Xinjiang, Yunnan.
China China	Hong Kong	native	Wu, Te-lin (2001) (p. 327) On grassy hillslopes.
Indonesia Indonesia	Indonesia (Republic of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan Ryukyu Islands	Ryukyu Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia Malaysia	Malaysia (country of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
New Zealand New Zealand	New Zealand (country)	introduced invasive	Edgar, E./Connor, H. (2000) Naturalised
Singapore Singapore	Singapore (Republic of)	uncertain if introduced invasive	Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 19) Weed of uncertain origin
Taiwan Taiwan Island	Taiwan Island	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013) Exposed slopes, waste ground; 400-1600 m.
Thailand Thailand	Thailand (Kingdom of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam Vietnam	Vietnam (Socialist Republic of)	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
Australia (Indian Ocean offshore islands) Christmas Island Group	Christmas Island	introduced invasive	Swarbrick, J. T. (1997) (p. 106)
Australia (Indian Ocean offshore islands) Cocos (Keeling) Islands	Cocos (Keeling) Islands	introduced invasive	Orchard, Anthony E., ed. (1993) (p. 38)
British Indian Ocean Territory Chagos Archipelago	Diego Garcia Island		Topp, J. M. W. (1988) (p. 17)

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)	introduced invasive	U.S. Dept. Agr., Agr. Res. Serv. (2013) Texas Naturalized

Control:  If you know of control methods for Bothriochloa bladhii, please let us know.