How to use Lichen to Navigate! Let me know if you find the pattern! Lichens have algae and or cyanobacteria in them that photosynthesis to make their food Some species of lichen are especially sun loving, which makes them navigational tools! Pay attention to where you see more lichen growing on the sides of fence posts, tree trunks, and rocks. They can point the way for you! *note: this pattern is flipped in the southern hemisphere. The sun shines the brightest in the Northern Sky For more cool

What are lichens and why are they so important? Lichenologist Dr Rebecca Yahr breaks down the fascinating world of these small but mighty organisms. 📚 Learn how identify and understand 200 common species in the upcoming book Lichens of Britain and Ireland, by Rebecca and co-author Frances Stoakley. Out 11 December and available to pre-order NOW: https://rbge.cc/lichens-book The British Lichen Society, Bloomsbury Publishing UK | Royal Botanic Garden Edinburgh