- Cochise County Herbarium
- Cochise Chapter of the Arizona Native Plant Society
- ITIS - Integrated Taxonomic Information System (for up-to-date botanical plant names)
- Firewise
- AZ CE Firewise Plant Lists
- Arizona Native Plant Society
- Arizona Weeds by Kittie Parker
- USDA Department Natural Resource Conservation Service Plant Data Base
- International Society of Arboriculture (ISA)
- Problems and Pests of Agave, Aloe, Cactus and Yucca
- How to Propagate Agaves and Cacti from Cuttings and Seed
- Cactus, Agaves, Yucca and Ocotillo
- Pruning Deciduous Shade Trees
- Pruning Shrubs in the Low and Mid-Elevation Deserts in Arizona
- Planting Guidelines: Trees and Shrubs
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