ragweed_western

Ambrosia psilostachya

Common name: Western Ragweed

The Western Ragweed is a herbaceous perennial that stands erect and can grow to 2 m high. The leaves are 5-12 cm long, soft and green with short hairs while the fruits are small burs.

When young these plants could be mistaken for Chrysanthemum.

Distribution:

Limited distribution at this time but it is spreading slowly. Common in some areas of Port Stephens, Newcastle and Lake Macquarie.

Bibliography:

Auld, B.A. and Medd, R.W. (1987) Weeds: an illustrated botanical guide to the weeds of Australia, Inkata Press, Melbourne. http://www.unicapinvitrosight.com/templates/Allergens.asp?id=2029

http://www.hccrems.com.au/weeds_cd/roadgraz.html

http://www.weeds.org.au/cgi-bin/weedident.cgi?tpl=plant.tpl&state=&s=&ibra=all&card=H44