Algae, lichens, liverworts and moss on hard surfaces / RHS
Garden design Wildlife garden Plant problems Back. Algae, lichens, liverworts and moss on hard surfaces . Algae, lichens, liverworts and moss on hard surfaces. Itmon to find growths such as algae, lichens, liverworts and moss growing on hard surfaces. Contrary to popular belief, they do not damage what they are growing on, but can cause patios, drives, paths and steps toe




































