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
1 The gateway to Lost Kennywood is a one-third scale replica of Luna Park's main entrance which spells Pittsburgh with no 'H' , because in 1905â1909, Pittsburgh's name was spelled that way. 2  Volcano Valley was created in the park in 2003 for the addition of a new ride that year, King Kahuna.ennywood is approximately 8 miles (13 km) from Downtown Pittsburgh, in West Mifflin, Pennsylvania. The park is along Pennsylvania Route 837, known as Kennywood Boulevard as it passes through the borough.