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

Summary

Genus:

Ageratina

Family:

Asteraceae (alt. Compositae)

Subfamily:

Asteroideae

Tribe:

Eupatorieae

Subtribe:

Oyxlobinae

Nomen number:

316409

Place of publication:

Phytologia 19:211. 1970

Verified:

06/05/1995 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Eupatorium adenophorum Spreng.

Heterotypic Synonym(s)
Ageratina trapezoidea (Kunth) R. M. King & H. Rob.
Eupatorium glandulosum Michx.
Eupatorium trapezoideum Kunth

Images (2 total. Click on image for more.)

Links

Forestry Images – from www.forestryimages.org

Conservation Status

Reference(s)

University of Georgia Center for Invasive Species and Ecosystem Health
Allan, H. H. B. et al. 1961-. Flora of New Zealand.
APHIS. Agricultural Risk Management System United States Department of Agriculture.
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 National Botanical Institute, Pretoria, South Africa.
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 Inkata Press, Melbourne, Australia.
Plant Protection and Quarantine Office. United States Department of Agriculture, Animal and Plant Health Inspection Service. Federal noxious weed list (on-line resource).
Press, J. R. & M. J. Short, eds. 1994. Flora of Madeira.
Seed Regulatory and Testing Division, Agricultural Marketing Service, U.S.D.A. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act (updated annually).
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.

Common names

Language	Name	Alternate name	seq	Citation
English	catweed		1	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
English	croftonweed		1	Mabberley, D. J. 1997. The plant-book: a portable dictionary of the vascular plants, ed. 2
English	hemp-agrimony		1	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
English	Maui pamakani		1	Wagner, W. L. et al. 1990. Manual of the flowering plants of Hawai'i
English	Mexican-devil		1	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
English	sticky snakeroot		1	FNA Editorial Committee. 1993-. Flora of North America.
English	sticky-agrimony		1	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Chinese	po huai cao	破坏草	2	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Northern America	Southern Mexico	Mexico	Colima		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Jalisco		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	México		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Michoacán de Ocampo		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Morelos		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
1	Native	Northern America	Southern Mexico	Mexico	Querétaro		Turner, B. L. 1996-. The comps of Mexico - a systematic account of the family Asteraceae. Phytologia Memoirs.
2	Cultivated					also cult.
3	Adventive	Europe	Middle Europe	Belgium			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
3	Adventive	Europe	Middle Europe	Germany			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
3	Adventive	Europe	Middle Europe	Poland			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	East Tropical Africa	Kenya			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
4	Naturalized	Africa	East Tropical Africa	Uganda			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
4	Naturalized	Africa	Macaronesia	Cabo Verde			Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
4	Naturalized	Africa	Macaronesia	Portugal	Azores		Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
4	Naturalized	Africa	Macaronesia	Portugal	Madeira Islands		Press, J. R. & M. J. Short, eds. 1994. Flora of Madeira.
4	Naturalized	Africa	Macaronesia	Spain	Canarias		Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
4	Naturalized	Africa	Northern Africa	Algeria			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Africa	South Tropical Africa	Angola			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
4	Naturalized	Africa	South Tropical Africa	Zambia			Turrill, W. B. et al., eds. 1952-. Flora of tropical East Africa.
4	Naturalized	Africa	Southern Africa	South Africa			Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14 National Botanical Institute, Pretoria, South Africa.
4	Naturalized	Asia-Temperate	China	China		s.	Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Temperate	Western Asia	Lebanon			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Asia-Tropical	Indian Subcontinent	Bhutan			Grierson, A. J. C. & D. J. Long. 1984-. Flora of Bhutan including a record of plants from Sikkim.
4	Naturalized	Asia-Tropical	Indian Subcontinent	India			Caligari, P. D. S. & D. J. N. Hind, eds. 1996. Compositae: biology and utilization.
4	Naturalized	Asia-Tropical	Indian Subcontinent	Nepal			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Cambodia			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Laos			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Myanmar			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Thailand			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Indo-China	Vietnam			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Malesia	Indonesia			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Asia-Tropical	Malesia	Philippines			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
4	Naturalized	Australasia	Australia	Australia			Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
4	Naturalized	Australasia	New Zealand	New Zealand			Allan, H. H. B. et al. 1961-. Flora of New Zealand.
4	Naturalized	Europe	Middle Europe	Austria			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Czech Republic			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Middle Europe	Hungary			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Croatia			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southeastern Europe	Greece		incl. Crete	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	France		incl. Corsica	Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	Portugal			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Europe	Southwestern Europe	Spain			Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource).
4	Naturalized	Northern America	Southwestern U.S.A.	United States	California		FNA Editorial Committee. 1993-. Flora of North America.
4	Naturalized	Pacific	North-Central Pacific	United States	Hawaii		Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
4	Naturalized	Pacific	South-Central Pacific	French Polynesia			Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).

Native
Northern America

SOUTHERN MEXICO: Mexico [Colima, Hidalgo, Jalisco, México, Michoacán de Ocampo, Morelos, Oaxaca, Puebla, Querétaro]

Cultivated (also cult.)
Adventive
Europe

MIDDLE EUROPE: Belgium, Germany, Poland

Naturalized
Africa

MACARONESIA: Cabo Verde, Spain [Canarias], Portugal [Azores, Madeira 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: Greece (incl. Crete), Croatia
SOUTHWESTERN EUROPE: Spain, France (incl. Corsica), Portugal

Northern America

SOUTHWESTERN U.S.A.: United States [California]

Pacific

NORTH-CENTRAL PACIFIC: United States [Hawaii]
SOUTH-CENTRAL PACIFIC: French Polynesia

Reference(s)

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 National Botanical Institute, Pretoria, South Africa.
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.
Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
Institute of Pacific Islands Forestry. Pacific Island Ecosystems at Risk (PIER): plant threats to Pacific ecosystems (on-line resource).
Press, J. R. & M. J. Short, eds. 1994. Flora of Madeira.
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.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Note	Reference
Environmental	ornamental		Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
Vertebrate poisons	mammals		Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
Vertebrate poisons	mammals	as Eupatorium adenophorum	Kellerman, T. S. et al. 1988. Plant poisonings and mycotoxicoses of livestock in Southern Africa Note: poisonous
Vertebrate poisons	mammals	as Eupatorium adenophorum	Everest, S. L. 1981. Poisonous plants of Australia. Note: poisonous
Weed	seed contaminant	potential	Parsons, W. T. & E. G. Cuthbertson. 1992. Noxious weeds of Australia Inkata Press, Melbourne, Australia.
Weed	seed contaminant	potential	Weber, E. 2003. Invasive plant species of the world: a reference guide to environmental weeds
Weed	seed contaminant	potential	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

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=316409. Accessed 12 May 2026.