Magnoliophyta

Angiosperm Phylogeny :

- Phylogenetic trees, technical descriptions of all orders and families, references, and links. By Peter Stevens of the Missouri Botanical Garden.
Angiosperms :

- Photographs and information on flowering plants from the Tree of Life web project.
Angiosperms Image Gallery :

- Extensive collection, organized by family.
Chilean Flora :

- On-line herbarium of over 1100 Chilean plants, articles on Chilean flora, and seeds and seedlings of Chilean plants for sale.
The Families of Flowering Plants :

- A taxonomical database with descriptions and illustrations of each family, and an interactive key to families.
Flowering Plant Gateway :

- Various paths for exploration or comparison of four major flowering plant classification systems (Cronquist, Takhtajan, Thorne and the Angiosperm Phylogeny Group system). From Texas A&M University.
Natural History of Plants in Floyd County, Northwest Georgia :

- Botanical explorations in Floyd County, Georgia, with a geographical description of the area.
OSU Seed Biology Program - SeedID Index :

- Photographs of the seeds of selected plants.