The Chenopod classification covers common weeds like pigweed (amaranth) and Russian Thistle, and common shrubs such as Fourwing Saltbrush and Greasewood. Worldwide there are over 1000 plants in the Chenopodiaceae family. Many of these cause can allergic reactions.
For more information on the Chenopodiaceae family see:
- Severity of allergic reactions to Chenopodiaceae family
- Desert Museum
- Botanical Dermatology Database
- Pollen Library
- For the State of New Mexico the USDA list 28 genera under Chenopodium.