Penn State University Libraries - Botany

Core Resources...

Biological Abstracts is the core database in all of biology and includes botany and natural history.

Also of Interest...

Web of Science (cited references) search for new articles which cite an older article by using the "cited ref" search mode.

Dissertation Abstracts (dissertations) includes dissertations from most U.S. institutions.

Don't forget: Try These First if you want general popular interest magazines and newspapers or pro and con debate information.