The site provides a wealth of information in the diverse field of biology offering a forum for discussion, an editable-dictionary with thousands of terms, links to external resources, tutorials, articles and a biology book catalogue with user reviews.
This site provides encyclopedic entries pertaining to plant identification, growing tips, propagation methods, and available varieties or hybrids. Includes a botanical dictionary for those looking to brush up on their latin roots or understand the basis for scientific plant names.
As many exceptions as rules! A fun and fascinating (and fairly technical, although accessible by the layperson) blog that talks about biological similarities, differences and exceptions. Lots of links provided. Written by former professor Mark Lasbury.