Flora and Fauna
- 5301
- Progress in Yellow Starthistle Biological Control
- USDA site reports positive results on field tests using Eustenopus villosus weevils to control starthistle in Idaho.
- 5302
- Yellow Starthistle - UC Pest Management Guidelines
- University of California guidelines for control of Yellow Starthistle, including identification and biology.
- 5304
- A Close-up View of Four Beggar-ticks
- Photographic study by Brian Johnston of four species of Bidens with many fine images, both macroscopic and microscopic.
- 5309
- Bidens pilosa: Picao Preto
- 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.
- 5312
- Baccharis genistelloides: Carqueja
- Description and several photographs of this plant and information on its herbal properties, tribal and herbal medicine uses, the chemicals it contains, its biological activities and clinical research.
- 5313
- Ayapana triplinervis: Ayapana
- Description and a photograph of this perennial herb, and information on its herbal properties, tribal and herbal medicine uses, the chemicals it contains, its biological activities and clinical research.
- 5314
- A Close-up View of the Wildflower, New England Aster
- Photographic study by Brian Johnston of Aster novae-angliae, with fine images of the plant on a macroscopic and microscopic scale.