LICHEN SHARE IF YOU LOVE LICHEN 🥹🌳 So I just got a bit curious about lichen and now it’s opened a whole new worrrlllld! So many more little green things to try and identify 😍 If you’re a curious George here’s some more information! ✨ Lichens like Parmelia and Usnea are often used as environmental indicators because they absorb nutrients from the air, making them sensitive to pollution. ☁️ If these lichen populations decline, it’s a sign that air quality is deteriorating, which is why they’re