Early Spring Weeds of No-Till Crop Production

PDF 24 pages 45 weed species identified by University of Missouri-Columbia, Purdue University, Kansas State University, Ohio State University, University of Illinois at Urbana-Champaign

Small Farms Weed Identification

PDF 4 pages 60 weed species identified by SmallFarms.net Australia

Invasive Aquatic Weed ID Guide

PDF 22 pages 8 weed species identified by EPA - National Fish and Wildlife Foundation. Invasive Aquatic Weed Identification Guide W2O! Weeds Watch Out! Stop Invasive Aquatic Plants - weeds

Delaware Invasive Plant Plant List Weed Identification

PDF 37 pages 28 species with images: Plants on Delaware?s Invasive Plant List were chosen by a committee of experts in environmental science and botany, as well as representatives of State agencies and the Nursery and Landscape Industry

Weed Identification and Control Training Course

PDF 463 pages 143 weed species or types by ABCTLC.COM, Fairbanks, Alaska, also applies to Arizona, New Mexico and USA Southwest. Weed Identification and Control CEU Training Course

Guide to Invasive Non-native Aquatic Species in Massachusetts

PDF 20 pages 16 weeds and animals identified by Massachusetts Department of Conservation and Recreation Lakes and Ponds Program, Michelle Robinson

Illegal Aquatic Plants-Weeds of South Carolina Identification

PDF 12 pages 26 weeds identified by South Carolina Department of Natural Resources. Non-native plants are responsible for most aquatic weed problems in South Carolina.

Plants-Weeds Poisonous or Harmful to Horses Identification

PDF 1 page 22 weed species by Krishona Martinson, PhD, U of M, Lynn Hovda, DVM, MS, Minnesota Racing Commission, and Mike Murphy, DVM, PhD, U of M - University of Minnesota, College of Veterinary Medicine

Identification And Control Of Minnesota Primary Noxious Weeds

PDF 2 pages 15 species by By Krishona Martinson, PhD, University of Minnesota Extension: Identification And Control Of Minnesota Primary Noxious Weeds And Weeds Of Concern In Washington County

Weed Identification List - Horticulture - Nursery Production

PDF 5 pages 31 weed species identified by Dr. John Boyd and Dr. Jim Robbins, University of Arkansas Division of Agriculture

Urban Guide to Weed Identification and Control

PDF 10 pages 20 weeds identified by Pest Management Regulatory Agency, Saskatchewan Agriculture, Food and Rural Revitalization; Manitoba Agriculture and Food; Macdonald Weed District of Manitoba; and Louise/Roblin Weed District of Manitoba

100 of the World's Worst Invasive Alien Species

PDF 11 pages 12 images 100 species of animals, plants and weeds identification by ISSG. The Invasive Species Specialist Group (ISSG) is a New Zealand-based specialist group of the Species Survival Commission (SSC) of the World Conservation Union (IUCN)

Biology And Control of Aquatic Plants

PDF 214 pages identifying the 10 most troublesome weeds, including many plant and weed identification illustrations and photos by Lyn A. Gettys, William T. Haller and Marc Bellaud, editors - First published in the United States of America in 2009 by Aquatic Ecosystem Restoration Foundation, Marietta, Georgia - Prepared by Aquatic Ecosystem Restoration Foundation (AERF).

Western US Invasive Plant EDRR Weed Identification Guide

PDF 98 pages 45 weed species by Oregon Department of Agriculture Noxious Weed Control Program, US Department of Agriculture APHIS PPQ

Noxious Weeds that Harm Washington State Eastern WA Field Guide

PDF 60 pages 25 weed species identified by Washington State Noxious Weed Control Board - Contributors: Alison Halpern, Jill Severn, Tim Miller, Bridget Simon, Angela Celestine, Weeds Cross Borders, Rick Johnson, Sasha Shaw Design: Cindy Orr Photos: All photos not credited are from the Washington State Noxious Weed Control Board, and may be reproduced with permission

Weed Detection Identification on Farms in Australia

PDF 24 pages 21 species by Brian Sindel and Om Jhorar, School of Environmental and Rural Science, and Ian Reeve, Lyndal-Joy Thompson, Jonathan Moss and Michael Coleman, Institute for Rural Futures, University of New England, Australia. This booklet is a product of the University of New England project Best practice for onground property weed detection, funded by the Defeating the Weed Menace R&D program.