Arizona Beard Lichen
Usnea arizonica
- Native to:
- United States
John Rusk (www.flickr.com) from Berkeley, CA, United States of America


Taxonomy
- Division:
- Ascomycota | - Sac fungi
- Family:
- Parmeliaceae
- Genus:
- Usnea (Dill. ex Adans. | - b)
- Species:
- Usnea arizonica
- USDA Symbol:
- USAR
Growth Characteristics
- Growth Habit:
- Lichenous
- Light Requirements:
- Full Sun
Soil Requirements
- Soil Type:
- nutrient-poor, rocky, well-drained soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- commonly found on tree bark in arid regions