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This genus is accepted, and its native range is New World.

[FTEA]

Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

Morphology General Habit
Perennial herbs or shrubs
Morphology Leaves
Leaves opposite
Morphology Reproductive morphology Inflorescences
Inflorescence corymbose; involucres campanulate; phyllaries in 2–3 series, sub-equal, often costate; receptacle slightly convex, epaleate
Morphology Reproductive morphology Flowers Corolla
Corollas with slender tube and campanulate limb
Morphology Reproductive morphology Flowers Androecium Stamens Anthers
Apical anther appendages large, ovate-oblong.
Morphology Reproductive morphology Flowers Gynoecium Style
Style base enlarged, arms linear, papillate
Morphology Reproductive morphology Fruits
Achenes black, prismatic or fusiform, 5-ribbed; carpopodium large, symmetrical; pappus of usually deciduous barbellate bristles.

Native to:

Alabama, Argentina Northwest, Arizona, Arkansas, Bahamas, Bolivia, California, Chile Central, Chile North, Colombia, Colorado, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Dominican Republic, Ecuador, El Salvador, Florida, Georgia, Guatemala, Guyana, Haiti, Honduras, Idaho, Illinois, Indiana, Iowa, Jamaica, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, Nicaragua, North Carolina, North Dakota, Northwest Territorie, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Panamá, Pennsylvania, Peru, Puerto Rico, Québec, Rhode I., South Carolina, South Dakota, Tennessee, Texas, Utah, Venezuela, Vermont, Virginia, Washington, West Virginia, Wisconsin

Introduced into:

Algeria, Assam, Austria, Azores, Belgium, Bermuda, Cambodia, Canary Is., Cape Provinces, Cape Verde, China South-Central, China Southeast, Corse, East Aegean Is., East Himalaya, France, Germany, Greece, Hawaii, Hungary, India, Jawa, Korea, Kriti, KwaZulu-Natal, Laos, Lebanon-Syria, Madeira, Mauritius, Morocco, Nepal, New South Wales, Norfolk Is., Northern Provinces, Philippines, Poland, Portugal, Queensland, Rodrigues, Réunion, Society Is., South Australia, South China Sea, Spain, Sri Lanka, Thailand, Victoria, Yugoslavia, Zimbabwe

Ageratina Spach appears in other Kew resources:

First published in Hist. Nat. Vég. (Spach) 10: 286 (1841)

Accepted by

  • Roskov Y. & al. (eds.) (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Literature

Catálogo de Plantas y Líquenes de Colombia

  • ColPlantA (2021). "ColPlantA. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://www.colplanta.org/"
  • WCVP (2021). World Checklist of Vascular Plants, version 2.0. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; http://wcvp.science.kew.org/ Retrieved 28 April 2021

Flora of Tropical East Africa

  • Hist. Nat. Veg. Phan. 10: 286. 1841
  • R.M. King & H. Rob., Genera of the Eupatorieae: 42 (1987)

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0