The fungus grows on the tree and can collect moisture, which the algae needs. The algae, in return, can create food from the energy of the sun, which feeds the fungus. Lichen on tree bark is completely harmless to the tree itself.nly use copper-sulfate as a treatment for tree lichen in late spring through early fall. It will not be effective in cool weather. You can also remove tree lichen with lime sulfur. Lime sulfur is also used to kill the fungus that makes up half of the lichen.
best lakeside getaways near pittsburgh if you re stuck for vacation ideas or are strapped for cash these five great close lake locales are easily accessible from pittsburgh only a short drive away each lake offers beautiful amenities pristine scenery and a plethora of activities for the water lover in us all lake erie
Flowing across tree-covered hills in northwestern Pennsylvania and southwestern New York, the Allegheny Reservoir's 12,080 acres provide an open invitation ... Arrowhead Lake. Tucked away in the beautiful Pocono Mountains, Arrowhead Lake is a private gated community in the Northeastern Mountains region of Pennsylvania.