Flora and Fauna
- 5322
- Haleakala Silversword
- Information from Wikipedia on this handsome plant, Argyroxiphium sandwicense, found growing on a single volcano on Hawaii.
- 5323
- A Close-up View of the Lesser Burdock
- Photographic study by Brian Johnston of the common weed Arctium minus, with fine images of the plant on a macroscopic and microscopic scale.
- 5327
- Antennaria neglecta (Field Pussytoes)
- Detailed physical description plus facts on habitat and associated fauna. Includes image.
- 5328
- 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.
- 5330
- 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.
- 5331
- 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.
- 5337
- The Asclepiad Gallery
- Provides a selection of photographs showing various examples of Asclepiads.
- 5338
- The Asclepiad Page
- Thorough introduction to this diverse plant family which includes milkweeds, the hoya, and numerous succulents. Includes cultivation notes and worldwide links.