A lavishly illustrated manual for the identification of 299 common and economically important weeds in the region south to Virginia, north to Maine and southern Canada, and west to Wisconsin. Based on vegetative rather than floral characteristics, this practical guide gives anyone who works with plants the ability to identify weeds before they flower.
http://www.cornellpress.cornell.edu/book/?GCOI=8014010007...
Year: 2001
Author(s): Richard H. Uva, Joseph M. DiTomaso, and Joseph C. Neal
Topic tags: Invasive Species