Find the poisonous wolf lichen
You can find wolf lichen on hard, dry wood. You can recognize wolf lichen by its intense yellowish green colour.
About the activity
The plant is becoming increasingly rare but is still possible to find in the park.
How did the wolf lichen gain its name? The lichen contains the toxic substance vulpinic acid. It is said that the wolf lichen has been used to poison wolves by putting it in food that was left in the forest for the wolves to eat.