Flora and Fauna
- 5321
- A Close-up View of Common and Great Ragweed
- Photographic study by Brian Johnston of Ambrosia artemisiifolia and Ambrosia trifida, with fine images of flowers, stems, leaves and fruits.
- 5323
- Ageratum conyzoides
- Description and several photographs of this annual herb and information on its herbal properties, tribal and herbal medicine uses, the chemicals it contains, its biological activities and clinical research.
- 5324
- Achyrocline satureoides: Macela
- Description and several photographs of this aromatic herb, and information on its herbal properties, tribal and herbal medicine uses, the chemicals it contains, biological activities and clinical research.
- 5330
- The Asclepiad Gallery
- Provides a selection of photographs showing various examples of Asclepiads.
- 5331
- The Asclepiad Page
- Thorough introduction to this diverse plant family which includes milkweeds, the hoya, and numerous succulents. Includes cultivation notes and worldwide links.
- 5332
- The Asclepiadaceae
- Description of the plant family, with descriptions and images of some of its members.