• The Landscape
• The Seasons
• Coastal Waters and Wetlands: Estuarine Ecosystems
• Streams and Associated WEtlands: Riverine Ecosystems
• Lakes and Ponds: Lacustrine Ecosystems
• Inland Wetlands: Palustrine Ecosystems
• Uplands: Terrestrial Ecosystems
• Algae, Fungi, and Lichens
• Plants
• Sponges through Ectoprocts
• Segmented Worms
• Mollusks
• Chelicerates
• Insects, Centipedes, and Millipedes
• Crustaceans
• Echinoderms and Tunicates
• Fishes
• Amphibians
• Reptiles
• Birds
• Mammals
• A Naturalist's Calendar