Taxon: Ageratina adenophora (Spreng.) R. M. King & H. Rob.

• Check PlantSearch database of Botanic Gardens Conservation International for possible non-NPGS germplasm.

A declared noxious weed by USDA-APHIS.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AL*, FL*, HI*°, MA*, NC*.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

Common names:

• catweed   (Source: Noxweed Aust ) – English
  
• croftonweed   (Source: Pl Book ) – English
  
• hemp-agrimony   (Source: Noxweed Aust ) – English
  
• Maui pamakani   (Source: F Hawaii ) – English
  
• Mexican-devil   (Source: Noxweed Aust ) – English
  
• sticky snakeroot   (Source: F NAmer ) – English
  
• sticky-agrimony   (Source: Noxweed Aust ) – English
  
• po huai cao   (Source: F ChinaEng ) – Transcribed Chinese
  

Economic importance:

• Environmental: ornamental   (fide Invasive Pl Spec)
  
• Vertebrate poisons: mammals   (fide Kellerman et al., as Eupatorium adenophorum; Everist, as Eupatorium adenophorum; Econ Pl Aust)
  
• Weed: potential seed contaminant   (fide Noxweed Aust; Invasive Pl Spec; Weeds SAfr 2001)
  

More:

View toxicology references for Ageratina adenophora from FDA Poisonous Plant Database

Distributional range:

• NORTHERN AMERICA
  Southern Mexico: Mexico - Colima, Hidalgo, Jalisco, Mexico, Michoacan, Morelos, Oaxaca, Puebla, Queretaro

• AFRICA
  Macaronesia: Cape Verde; Portugal - Azores, Madeira Islands; Spain - Canary Islands
  Northern Africa: Algeria
  East Tropical Africa: Kenya; Uganda
  South Tropical Africa: Angola; Zambia
  Southern Africa: South Africa
• ASIA-TEMPERATE
  Western Asia: Lebanon
  China: China [s.]
• ASIA-TROPICAL
  Indian Subcontinent: Bhutan; India; Nepal
  Indo-China: Cambodia; Laos; Myanmar; Thailand; Vietnam
  Malesia: Indonesia; Philippines
• AUSTRALASIA
  Australia: Australia
  New Zealand: New Zealand
• EUROPE
  Middle Europe: Austria; Czech Republic; Hungary
  Southeastern Europe: Croatia; Greece [incl. Crete]
  Southwestern Europe: France [incl. Corsica]; Portugal; Spain
• NORTHERN AMERICA
  Southwestern U.S.A.: United States - California
• PACIFIC
  North-Central Pacific: United States - Hawaii
  South-Central Pacific: French Polynesia

• EUROPE
  Middle Europe: Belgium; Germany; Poland

• also cultivated

References:

• Allan, H. H. B. et al. 1961–. Flora of New Zealand.
• Caligari, P. D. S. & D. J. N. Hind, eds. 1996. Compositae: biology and utilization.
• Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
• FNA Editorial Committee. 1993–. Flora of North America.
• Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14.
• Grierson, A. J. C. & D. J. Long. 1984–. Flora of Bhutan including a record of plants from Sikkim.
• Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
• Henderson, L. 2001. Alien weeds and invasive plants: a complete guide to declared weeds and invaders in South Africa. Plant Protection Research Institute, Handbook 12.
• Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
• Holm, L. et al. 1979. A geographical atlas of world weeds.
• Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
• Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
• King, R. M. & H. Robinson. 1987. The genera of the Eupatorieae (Asteraceae). Monogr. Syst. Bot. Missouri Bot. Gard. 22.
• Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia.
• Mabberley, D. J. 1997. The plant-book: a portable dictionary of the vascular plants, ed. 2.
• McVaugh, R. 1983–. Flora Novo-Galiciana.
• Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia.
• Press, J. R. & M. J. Short, eds. 1994. Flora of Madeira.
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Turner, B. L. 1996–. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
• Turrill, W. B. et al., eds. 1952–. Flora of tropical East Africa.
• Wagner, W. L. et al. 1990. Manual of the flowering plants of Hawai'i.
• Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds.
• Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
• Zhang, F. et al. 2008. Sustainable management based on biological control and ecological restoration of an alien invasive weed, Ageratina adenophora (Asteraceae) in China. In: Julien, H. H. et al., eds., Proceedings of the XII International Symposium on biological control of weeds. La Grande Motte, France, 22-27 April 2007. 699–703.

More:

Search AGRICOLA article citation database for citations referencing Ageratina adenophora.

Search NCBI's Entrez search engine for PubMed citations referencing Ageratina adenophora.

Search Biodiversity Heritage Library for historical publications referencing Ageratina adenophora.

Synonyms:

• (=) Ageratina trapezoidea (Kunth) R. M. King & H. Rob.
  
• (≡) Eupatorium adenophorum Spreng. (basionym)
  
• (=) Eupatorium glandulosum Michx.
  
• (=) Eupatorium trapezoideum Kunth
  

Check other web resources for Ageratina adenophora (Spreng.) R. M. King & H. Rob.:

• Euro+Med Plantbase: Information Resource for Euro-Mediterranean Plant Diversity
• Flora of North America: Collaborative Floristic Effort of North American Botanists
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• Flora of China: Online version from Harvard University
• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• Disseminule drawings: U.S. National Seed Herbarium drawing
• Embryo drawing: U.S. National Seed Herbarium drawing
• Forestry Images: from www.forestryimages.org

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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