This name is not current. Find out more information on related names.

Chenopodium ambrosioides L. Mexican Tea
Sp.Pl. 1:219-220 (1753)

Conservation Code: Not threatened
Naturalised Status: Alien to Western Australia
Name Status: Not Current

Brief Description
Grazyna Paczkowska, Thursday 14 September 1995

Perennial, herb, 0.2-1 m high, strongly aromatic. Fl. green, mainly Mar to Jul. Sand, sandy clay.

Management Notes (for the Swan NRM Region)
Kate Brown and Karen Bettink, Monday 16 August 2010

Alternative Names. Wormseed.

General Biology. Growth form. Herb. Life form. Perennial. Reproduction. Seed. Dispersal. Soil, machinery, water.


Additional information. Origin. Tropical America.

Suggested method of management and control. Hand remove small populations (use gloves); Suggest metsulfuron methyl 0.7 g/10 L (20 g/ha) + Pulse® before flowering or 1 % glyphosate + Pulse®. Read the manufacturers' labels and material safety data sheets before using herbicides. For further information consult the Australian Pesticides and Veterinary Medicines Authority to determine the status of permits for your situation or state.

Management Calendar

Calendar Type Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Comments
Active Growth                          
Manual Removal                          
Herbicide Treatment                          

Legend: Y = Yes, regularly, O = Occasionally, U = Uncertain, referred by others but not confirmed.



  • Brown, K. & Brooks, K. (2002) Bushland Weeds: A Practical Guide to their Management. Environmental Weeds Action Network, Greenwood.
  • Dixon, B. & Keighery, G. (1995) Weeds and their control. In Managing Perths bushlands (eds. M. Scheltema and J. Harris). Greening Western Australia, Perth.
  • Hussey, B.M.J., Keighery, G.J., Dodd, J., Lloyd, S.G. & Cousens, R.D. (2007) Western Weeds. A guide to the weeds of Western Australia. 2nd Edition. The Plant Protection Society of Western Australia, Victoria Park.

Project information and acknowledgements