Western spiderwort (Tradescantia occidentalis) COSEWIC assessment and status report: chapter 13

Literature Cited

Alberta Natural Heritage Information Center. 2001. References for Tradescantia occidentalis (Britt.) Smyth.Data base. Alberta Natural Heritage Information Center, Edmonton.

DeSmet, K. 1995. Areas that were checked in 1995 for spiderwort and hackberry. Unpublished typed manuscript.

Douglas Lake Provincial Park. 2001. Personal communication. August 24, 2001 visit.

Godwin, B. and J. Thorpe. 1991. An addendum to the COSEWIC status report on western spiderwort, Tradescantia occidentalis. (by B. Smith and C. Bradley). Unpublished typed manuscript. COSEWIC, Ottawa.

Goulet, S. and N. Kenkel. 1997. Habitat survey and management proposal for Manitoba populations of western spiderwort (Tradescantia occidentalis (Britt.) Smyth. Department of Botany, University of Manitoba, Winnipeg.

Harms, V., P. Ryan and J. Haraldson. 2001. The Rare and endangered native plants of Saskatchewan. References for Tradescantia occidentalis (Britt.) Smyth. W.P. Fraser Herbarium, University of Saskatchewan, Saskatoon.

Harris, P. 1988. Environmental impact of weed-control insects. BioScience 38 (8): 542-548.

Hellman, S. 2001. Personal communication. July 25, 2001 telephone conversation.

Hohn, S. 1994. Habitat requirements and management implications for western spiderwort (Tradescantia occidentalis). Critical Wildlife Habitat Program, Winnipeg.

Hohn, S. and R. Parsons. 1992. Western spiderwort survey. Critical Wildlife Habitat Program, Winnipeg.

Schmidt, W. 1989. Plant dispersal by motor cars. Vegetatio 80: 147-152.

Smith, B. 2001. Status of the western spiderwort (Tradescantia occidentalis) in Alberta. Alberta Wildlife Status Report No. 31. Fisheries and Wildlife Management Division, Alberta Environment, Edmonton.

Smith, B. 2001B. Field observations.

Smith, B. and C. Bradley. 1990. Status report on the western spiderwort Tradescantia occidentalis (Britt.) Smyth. COSEWIC, Ottawa.

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