Online References and Field Guides
Audubon Society Online
Excellent source of information and comprehensive. The use of scientific
language may not be the best.
Glossary of Botanical
Many definitions and explanations of basic botanical words.
Hinterland Who's Who
May not contain all species we want but excellent, detailed, and
accurate information about each listed species.
Wildlife Federation Online Field Guides
Comprehensive guides for North America. This is a very useful
resource covering both the plant and animal kingdoms.
A wide array of data sources (mostly from the USA)
Excellent way to identify that old skull you found on the trail.