Ask Kelly: What are tree lichens?
Pittsburgh's Action News 4 anchor Kelly Sasso spoke to an expert at the Pittsburgh Parks Conservancy about the organisms called "lichens."
Pittsburgh's Action News 4 anchor Kelly Sasso spoke to an expert at the Pittsburgh Parks Conservancy about the organisms called "lichens."
Pittsburgh's Action News 4 anchor Kelly Sasso spoke to an expert at the Pittsburgh Parks Conservancy about the organisms called "lichens."
This week's question for our "Ask Kelly" segment is about tree lichens.
"What is the light green fungus or mold growing on so many trees. It's everywhere in Cook Township. Is it harmful to trees," Patty Grace from Stahlstown, Westmoreland County, asked.
Watch the full report in the video player above.
Pittsburgh's Action News 4 anchor Kelly Sasso spoke to an expert at the Pittsburgh Parks Conservancy about the organisms called "lichens."