Light green splotches moving up water oak, magnolia, and popcorn tree = lichens. Symbiotic fungus-alga organisms; colors range from white to green.
No action needed.
Filamentous Lichens on Trees in Western NC: Harmless Epiphytes
Black Blotches on Mulberry Trunk: Likely Lichens, Not Disease
Greenish Growth on Cherry and Lilac: Lichens Signaling Tree Stress
Alder Tree Decline and Phytophthora Canker in California
Identifying Harmless Lichens on Tree Bark
Red Leaf Blotches on Chanticleer Pear: Getting an Accurate Diagnosis
Greenish-White Scale on Oak: Lichens, Not a Disease
Pine Tree Black "Fungus": Likely Sooty Mold from Insect Honeydew
Black Trunk on Live Oak: Natural Aging or Lichens?
Light Green Growth on Pineapple Guava Trunk: Likely Lichen
Copyright © www.100flowers.win Botanic Garden All Rights Reserved