References and further information:

Du Plessis, N. and Duncan, G. (1989) Bulbous plants of southern Africa: A guide to their cultivation and propagation. Tafelberg Publishers: Cape Town.

Hnatiuk, R.J. (1990) Census of Australian Vascular Plants. Australian Flora and Fauna Series N°11. Bureau of Flora and Fauna: Canberra.

Hussey, B.M.J., Keighery, G.J., Cousens, R.D., Dodd, J. and Lloyd, S.G. (1997) Western Weeds: a guide to the weeds of Western Australia. The Plant Protection Society of Western Australia: Victoria Park.

Parsons, W.T. and Cuthbertson, E.G. (1992) Noxious Weeds of Australia. Inkata Press: Melbourne & Sydney.

Peirce, J.R. (1990) Effect of herbicides on growth and bulb production of four o'clock (Oxalis purpurea L.) and soursob (Oxalis pes-caprae L.), Proceedings of the ninth Australian Weeds Conference, Adelaide, South Australia.

Peirce, J. (1998) Declared Plant Control Handbook. 5th Ed. Misc Pub. 4/98. Agriculture Western Australia (updated version online at http://www.agric.wa.gov.au/progserv/plants/weeds/weed_control/index.htm).

Peirce, J.R. (1998) Oxalis pes-caprae L. In The biology of Australian weeds, Vol. 2, Eds Panetta, F.D., Groves, R.H. and Shepherd, R.C.H. R.G. and F.J. Richardson: Meredith.

Scheltema, M. and Harris, J. (1995) Managing Perth's Bushlands: Perth's bushlands and how to manage them. Greening Western Australia: Perth.

Acknowledgements: (Oxalis pages)

Kate Brown, Project Officer, EWAN
John Peirce, Senior Research Officer, AGWEST
Rod Randall, Plant Profiler, AGWEST
Written by Kris Brooks (EWAN) for the Environmental Weeds Action Network, July 2001.