Moss, for example, often takes up residence in shaded, damp corners of your yard. The only problem? Lichen is a type of plant ...

For instance, what are those green masses growing on your trees? Those growths could be either lichens, moss or algae, and the good news is that none are cause for alarm. Because they usually grow ...

This April 2, 2019, photo provided by the Forest Preserve District of Will County, IL, shows moss growing at the base of a tree at Raccoon Grove Nature Preserve in Monee, IL. (Forest Preserve ...

For instance, what are those green masses growing on your trees? Those growths could be either lichens, moss or algae, and the good news is that none are cause for alarm. Because they usually grow ...

While they're sometimes mistaken for moss, lichens are miniature ecosystems made up of a fungus and an algae or bacteria that can make energy from sunlight, living together in one body.