Lichen in Joshua Tree National Park
Lichens are a symbiosis between a fungus and a photobiont, an alga and/or a cyanobacterium 
Cryptobiotic Crusts
Also known as desert glue, this layer of biotic organisms is hidden in plain sight on top of the soil! 
Lichen as Bioindicators
Lichens are great bioindicators because they receive all their nutrients and water from atmospheric deposition (fall out). |
Last updated: November 10, 2020