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Erigeron canadensis

L.
Tracheophyta » Asterales » Asteraceae » Erigeron canadensis
Common name (English)
Horseweed
Ηabitat
I1 Arable
Global distribution

Canada (Alberta, British Columbia, Manitoba, Nova Scotia, Ontario, Prince Edward Isl., Quebec, Saskatchewan), USA (Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming), Bahamas, Turks & Caicos Isl., Cayman Isl., Hispaniola, Jamaica, Puerto Rico, Virgin Isl. (Guana, St. Croix, St. John, Tortola), Lesser Antilles (Antigua, Barbados, Dominica, Grenada, Grenadines, Guadeloupe, Martinique, Saba, St. Barthelemy, St. Eustatius, St. Kitts, St. Lucia, St. Martin, St. Vincent), Trinidad, Peru, Bolivia (La Paz), Peru, Panama, Galapagos Isl., Nicaragua, Honduras, Guatemala, El Salvador, Mexico (Aguascalientes, Baja California Norte, Baja California Sur, Campeche, Chiapas, Chihuahua, Coahuila, Colima, Ciudad de Mexico, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacan, Morelos, Nayarit, Nuevo Leon, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Tlaxcala, Veracruz, Yucatan, Zacatecas), Costa Rica, Surinam, French Guiana, Belize, Ecuador, Venezuela (Aragua, Distrito Federal, Falcon, Merida, Miranda), N-Brazil, NE-Brazil, WC-Brazil, SE-Brazil, Colombia (Antioquia, Casanare, Cundinamarca, La Guajira, Magdalena, Nario, San Andrs, Providencia y Santa Catalina, Santander), England (I), Channel Isl. (I), Ireland (I), Northern Ireland (I), Norway (I), Sweden (I), Finland (I), France (I), Andorra (I), Portugal (I), Spain (I), Baleares (I) (Ibiza & Formentera (I), Mallorca (I), Menorca (I)), Gibraltar (I), Denmark (I), Netherlands (I), Belgium (I), Luxembourg (I), Germany (I), Switzerland (I), Austria (I), Liechtenstein (I), Italy (I), Corsica (I), Sardinia (I), Sicily (I), Poland (I), Czech Republic (I), Slovakia (I), Hungary (I), Slovenia (I), Croatia (I), Bosnia & Hercegovina (I), Serbia & Kosovo (I), Montenegro (I), Macedonia (I), Albania (I), Romania (I), Bulgaria (I), Greece (I), Crete (I), European Turkey (I), Morocco (I), Algeria (I), Tunisia (I), Libya (I), Azores (I) (Santa Maria Isl. (I), Sao Miguel Isl. (I), Terceira (I), Graciosa (I), Sao Jorge (I), Pico (I), Faial (I), Flores Isl. (I), Corvo Isl. (I)), Madeira (I) (Madeira Isl. (I)), Canary Isl. (I) (Gran Canaria (I), Tenerife (I)), Estonia (I), Latvia (I), Lithuania (I), Kaliningrad region (I), Belarus (I), Moldova (I), Ukraine (I), Crimea (I), European Russia (I), Northern Caucasus (I), Georgia [Caucasus] (I), Armenia (I), Azerbaijan (I), Nachichevan (I), Kyrgyzstan (I), Kazakhstan (I), Uzbekistan (I), Tajikistan (I), Turkmenistan (I), Siberia (I) (W-Siberia (I), C-Siberia (I)), Russian Far East (I), Japan (I), Korea (I), Taiwan (I), China (widespread (I)), Jammu & Kashmir (I), India (I) (throughout), Bhutan (I), Sikkim (I), Darjeeling (I), Nepal (I), Vietnam (I), Philippines (I), New Guinea (I), Pakistan (I), Pakistani Kashmir (I), South Africa (I) (widespread), Swaziland (I), Lesotho (I), trop. Africa (I), Zambia (I), Zimbabwe (I), Mozambique (I), Chagos Arch. (I) (Diego Garcia (I)), Mauritius (I), La Runion (I), Turkey (I) (Inner Anatolia (I), N-Anatolia (I), NE-Anatolia (I), NW-Anatolia: Bithynia (I), S-Anatolia (I), SE-Anatolia (I), SSW-Anatolia (I), W-Anatolia (I), WN-Anatolia (I)), East Aegaean Isl. (I), Rhodos (I), Iran (I) (EC-Iran (I), NE-Iran: Mts. (I), N-Iran (I), Iranian Aserbaijan (I), W-Iran (I)), Iraq (I) (NW-Iraq (I), SE-Iraq: Mesopotamia (I)), Israel (I) (C-Israel (I), coastal W-Israel (I), Rift Valley (I), N-Israel (I), N-Negev Desert (I)), Lebanon (I) (C-Lebanon (I), coastal W-Lebanon (I)), Sinai peninsula (I) (N-Sinai (I), S-Sinai (I)), Syria (I) (W-Syrian Mountains (I)), Afghanistan (I), Lord Howe Isl. (I), Marshall Isl. (I) (Kwajalein (I), Majuro (I)), Micronesia (I) (Ulithi (I)), Northern Marianas (I) (Pagan (I)), Palau Isl. (I) (Babeldaob (I), Peleliu (I)), Southern Marianas (I) (Rota (I), Guam (I)), Wake Isl. (I), Midway Isl. (I), Hawaii (I) (Midway Isl. (I), Niihau (I), Kauai (I), Oahu (I), Molokai (I), Lanai (I), Maui (I), Hawaii Isl. (I)), Fiji (I), Niue (I)Australia (I) (Western Australia (I), South Australia (I), Queensland (I), New South Wales (I), Victoria (I), Tasmania (I)) 83337 0

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Establishment status
Established
Establishment status detail

Alien: Naturalized invasive. One doubtful record from Nicosia (1930).

First detection year
1930
Pathway
3 TRANSPORT CONTAMINANT - Transportation of habitat material – THM
3 TRANSPORT CONTAMINANT - Contaminant nursery material – CNM
Pathway detail

Speculated (Demetriou pers. comm.)

Other notes

as Conyza canadensis (L.) Cronq. in Meikle (1985) and Georgiades (1995).

References

Meikle RD (1985) Flora of Cyprus, Vol. 2.

Georgiades C (1995) Η επιγενής χλωρίδα της Κύπρου. Ταξινομική, χλωριδικά, φυτογεωγραφική, οικοφυσιολογική μελέτη. [The adventive flora of Cyprus, taxonomic, floristic, phytogeographic, ecophysiological study]. Ph.D. Thesis, Athens University.

Della A, Iatrou G (1995) New plant records from Cyprus. Kew Bulletin 50: 387-396.

Hand R (2004) Supplementary notes to the flora of Cyprus IV. Willdenowia 34(2): 427-456. https://doi.org/10.3372/wi.34.34210

"UK Centre for Ecology & Hydrology"
Joint Service Health Unit
University of Cyprus - Department of Biological Sciences
Darwin Initiative
Akrotiri Environment

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