Found on every continent, lichen is an extraordinary organism adapted to survive in every habitat except seawater. More than just curious growths on rocks and trees, lichen can endure extreme ...

However, finding lichen growth on your trees is nothing to lose sleep over. They aren't harming your tree and couldn't if ...

These nutrients cause increased aquatic plant growth of algae and other ... and part algae or cyanobacteria. Lichen grow in exposed places such as rocks and can be used as an indicator species ...

Re: Japanese maples. Remember them? I — we? — talked about them a few weeks ago, and I confessed that I know little about ...