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Field Guides

Aquatic Digital Field Guides

Diet for a Small Lake by New York State Federation of Lake Associations and NYS Department of Environmental Conservation  Invasive Weed Identification Guide by Cayuga and Onondaga Cornell Cooperative Extensions
A Guide to Selected Invasive Non-native Aquatic Species in Massachusetts  Lake and Pond Plants: A Guide to Vermont’s Common Aquatic Plants and Their Natural Values in Lakes by Vermont Department of Environmental Conservation


Terrestrial Digital Field Guides

Giant Hogweed Identification by New York State Department of Environmental Conservation and USDA Invasive Plants Field and Reference Guide: An Ecological Perspective of Plant Invaders of Forests and Woodlands by United States Department of Agriculture
Plant Invaders of Mid-Atlantic Natural Areas by National Park Service and U.S. Fish and Wildlife Service Native Plant Finder for Gardeners by National Wildlife Federation
Invasive Species Fact Sheets
Mistaken Identity? Invasive Plants and their Native Look-alikes: An Identification Guide for the Mid-Atlantic


Aquatic (Only available in print)

  • Aquatic and Wetland Plants of Northeastern North America by Garrett E. Crow and C. Barre Hellquist
  • The Book of Swamp and Bog by John Eastman
  • Through the Looking Glass: A Field Guide to Aquatic Plants by Wisconsin Lakes Partnership
  • Wetlands by Audubon Society

Terrestrial (Only available in print)

  • A Field Guide to Wildflowers: Northeastern and North-Central North America (Peterson Field Guides) by Margaret McKenny and Roger Tory Peterson
  • A Guide To Wildflowers In Winter by Carol Levigne
  • Common Weeds of the United States by USDA
  • National Audubon Society Field Guide to North American Wildflowers: Eastern Region
  • Native Plants of the Northeast: A Guide for Gardening and Conservation (only available in print)
  • Newcomb’s Wildflower Guide by Lawrence Newcomb
  • Weeds of the Northeast by Richard Uva, Joseph Neal, and Joseph Ditomaso
  • Weeds of the Northern United States and Canada: A Guide for Identification by France Royer and Richard Dickinson