Introduction -- About Lichen Study Guide for Oklahoma and Surrounding States -- About Lichens -- Importance of Lichens -- Finding and collecting Lichens -- Observing and documenting Lichens -- ...
Lichen is everywhere. It grows on sidewalks, rocks, trees, roofs and undistributed soil and in frigid tundras, arid deserts and even contaminated environments. You just have to look for it, says ...
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