Chemistry, Biology and related disciplines in the WWW

Botany

Cryptogams
Databases, Data Collections, and Reference Works
Education
Epiphytes
Flowering Plants
Halophytes
Institutes
Internet Directories, Comprenhensive Sites and Links
Lianas
Organizations
Pioneer Plants
Plant Anatomy and Physiology
Plant Chemistry
Plant Geography, Plant Sociology
Taxonomy and Nomenclature
Trees
Vascular Plants