CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: Plant Reproduction
[Free Registration/Login may be required to access all resource tools.] Looks at the processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.
Other
The Charms of Duckweed (Smallest Flowering Plant)
Have a fun learning experience as you read about the smallest flowering plant. Botanical facts, pictures, projects, and practical uses of the Duckweed plant are all part of this site.