Université de Fribourg

Competition between Lythrum salicaria and a rare species : combining evidence from experiments and long-term monitoring

Denoth, Madlen ; Myers, Judith H.

In: Plant Ecology, 2007, vol. 191, no. 2, p. 153-161

The rare endemic plant Sidalcea hendersonii (Henderson’s checker-mallow) occurs in tidal marshes of the Pacific Northwest and may be threatened by Lythrum salicaria (purple loosestrife), a European invader plant. We compared the abundances of Lythrum and Sidalcea in a wetland in British Columbia (Canada) in 1999 to those measured in 1979 to track changes in both...