Flora and Fauna
- 2404
- Striga (Witchweed)
- Photo gallery illustrating flowers, roots, seeds, and other features of species included in this genus.
- 2406
- Scrophularia nodosa
- Photographs of flowers, leaves and fruit of Figwort and some identifying features.
- 2408
- Scoparia dulcis: Vassourinha
- Description and several photographs of this annual herb, with information on its herbal properties, uses in traditional medicine, the chemicals it contains, its biological activities, clinical research and its current uses.
- 2411
- American Paulownia Association
- Promotes the advancement of Paulownia as a forest crop in the United States. Photos, the tree's ecology and uses, organization information, and links.
- 2412
- Paulownia - History and Description
- Describes three species of "dragon trees" and tells about this tree's historical cultivation and use in China.