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There are 79 web-links under your selected category "Weeds"!

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Virginia Tech Weed Identification Guide. Redroot pigweed. http:/ / www.ppws.vt.edu/ scott/ weed_id/ amare.htm 
Virginia Tech Weed Identification Guide. Rice flatsedge. http:/ / www.ppws.vt.edu/ scott/ weed_id/ cypir.htm 
Virginia Tech Weed Identification Guide. Johnsongrass. http:/ / www.ppws.vt.edu/ scott/ weed_id/ sorha.htm 
Virginia Tech. Crowfoot grass. http:/ / www.ppws.vt.edu/ scott/ weed_id/ dttae.htm 
Virginia Tech. Large crabgrass. http:/ / www.ppws.vt.edu/ scott/ weed_id/ digsa.htm 
Virginia Tech. Smooth crabgrass. http:/ / www.ppws.vt.edu/ scott/ weed_id/ digis.htm 
Virginia Tech. Goosegrass. http:/ / www.ppws.vt.edu/ scott/ weed_id/ elein.htm 
Washington State Department of Ecology. Technical information about Eichornia crassipes (Water hyacinth). http:/ / www.ecy.wa.gov/ programs/ wq/ plants/ weeds/ aqua010.html 
Weed Science. Hairy beggarsticks (Bidens pilosa). http:/ / www.weedscience.org/ Case/ Case.asp?ResistID=381 
Weed Science. Herbicide resistant black nightshade globally. http:/ / www.weedscience.org/ Summary/ USpeciesCountry.asp?lstWeedID=162&FmCommonName=Go 

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