(Tuck.) Hale (1974)
Xanthoparmelia chlorochroa, commonly known as the tumbleweed shield lichen, or ground lichen, is a foliose lichen in the Parmeliaceae family. It is not fixed to a substrate, and blows around in the wind from location to location. It is used as a dye by Navajo rug weavers.
Habitat and range
It has been implicated in the poisoning of domestic sheep and cattle in Wyoming during the 1930s. It has also been implicated in the poisonning of elk in 2004. It has been used as a remedy for impetigo by the Navajo.
This lichen has a thallus that is foliose, or leafy in appearance.
- Lichens and People, Sylvia and Stephen Sharnoff
- Geiser, L, McCune B. (1997). Macrolichens of the Pacific Northwest. Corvallis: Oregon State University Press. ISBN 0-87071-394-9.
- Cook, Walter E.; Raisbeck, Cornish, Williams, Brown, Hiatt and Kreeger (July 2007). "Paresis and Death in Elk (Cervus elaphus) Due to Lichen Intoxication in Wyoming". Journal of Wildlife Diseases. 43 (3): 498–503. doi:10.7589/0090-3558-43.3.498. PMID 17699088. Retrieved 8 July 2012.
- "Xanthoparmelia chlorochroa". Retrieved 2009-03-23.
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