Freshwater algae of North America ecology and classification

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

Insects and sustainability of ecosystem services por Schowalter, Timothy Duane 1952-

Field guide to freshwater invertebrates of North America por Thorp, James H., Rogers, D. Christopher

Available for University of the Philippines System via ScienceDirect. Click here to access
Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy

Freshwater algae of North America ecology and classification

Freshwater ecoregions of North America a conservation assessment

Terrestrial plant ecology

Invertebrates in freshwater wetlands of North America ecology and management

Terrestrial plant ecology

Peterson first guide to forests por Kricher, John C.

Prehistoric food production in North America