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![]() Iris |
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Joe-Pye Weed (Eupatorium spp.) |
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![]() Speedwell (Veronica spicata) |
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![]() Spiked Gayfeather, Blazing Star (Liatris spp.) |
Donna R. Ellis, Program Specialist II, Department of Plant Science, U-67, University of Connecticut, Storrs, CT
References
American Association of Nurserymen. 1996 and 1997. Federal and state quarantine summaries. Washington, D.C.
Anderson, N.O. and P.D. Ascher. 1993. Male and female fertility of loosestrife (Lythrum) cultivars. J. Amer. Soc. Hort. Sci. 118(6):851-858.
Blossey, B.; D. Schroeder; S.D. Hight and R. Malecki. 1994. Host specificity and environmental impact of two leaf beetles (Galerucella calmariensis and G. pusilla) for biological control of purple loosestrife (Lythrum salicaria). Weed Science. 42:128-133.
Mal, T.K.; J.L. Lovett-Doust; L.Lovett-Doust and G.A. Mulligan. 1992. The biology of Canadian weeds. 100. Lythrum salicaria. Can. J. Plant Sci. 72:1305-1330.
Thompson, D.Q.; R.L. Stuckey and E.B. Thompson. 1987. Spread, impact and control of purple loosestrife (Lythrum salicaria) in North American wetlands. U.S. Dept. of Int. Fish and Wild. Serv. Research 2. 55 pp.
Reprinted from Yankee Nursery Quarterly. Winter 1998. Vol. 7. No. 4. p8-11.