Get to know the lichens being recorded in the OPAL Air Survey. Click on an image below to learn more.
Can't identify a lichen?
- Follow the illustrated key of common British lichens on the Key to Nature website
- Upload your picture to iSpot and let enthusiasts and experts identify your lichen for you
- Explore the lichens on twigs guide on the Natural History Museum website
Want to learn more?
- View an interactive slideshow on British lichens on the Key to Nature website
- British Lichen Society