# Shield lichen

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**Shield lichen** is the common name for [lichens](/source/Lichen) in either the [genus](/source/Genus) *[Heterodermia](/source/Heterodermia)* or genus *[Parmelia](/source/Parmelia_(fungus))*.[1]

## References

1. Gandhi, Arumugam D.; Sathiyaraj, Sivaji; Suriyakala, Gunasekaran; Saranya, Sivakumar; Baskaran, Tirumalpur N.; Ravindran, Balasubramani; Babujanarthanam, Ranganathan. ["Lichens in Genus Parmelia: An Overview and their Application"](https://www.eurekaselect.com/article/105667). *Current Pharmaceutical Biotechnology*. **21** (13): 1289–1297. [doi:10.2174/1389201021666200406105212](https://doi.org/10.2174/1389201021666200406105212)

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