- Infomine - Biological, Agricultural, and Medical Sciences[ http://library.sdsu.edu/guides/resourcelink.php?id=352 ]
From the University of California, Riverside. A massive collection of well-annotated sites.
- World-Wide Web Virtual Library: Plant Biology (Biosciences)[ http://library.sdsu.edu/guides/resourcelink.php?id=354 ]
Fairly comprehensive listing of botany resources. Arranged by provider than by resource. Since it is comprehensive many of the resources are less than well developed. Maintained by Dr. Scott Russell through the Department of Botany and Microbiology of the University of Oklahoma.