Lichen

is a mid aged green which is named after the subtle colour of the algae that ages stone so beautifully. Available in-store and online.

Likin' the Lichens in New York State New York State Parks and Historic Sites Blog

Oak Moss Lichen - Plantlife

A. Laurie Palmer's *The Lichen Museum* - Criticism - e-flux

Moss and Lichen: Wait, what's the difference? - Canadian Museum of Nature

Lichen, Definition, Symbiotic Relationship, Mutualism, Types, & Facts

You'll Be Lichen This Article – Field Station

Opportunistic lichen grows on ailing trees

Lichen, Definition, Symbiotic Relationship, Mutualism, Types, & Facts

Ecologies, Free Full-Text

To think like a lichen

Amateur Naturalist: What Is A Lichen?

Factsheet - Lichen

Ecologists are 'Lichen' a Surprising New Find on Campus - UConn Today

In the Race to Live on Land, Lichens Didn't Beat Plants - The New York Times

Lichens of the Arctic (U.S. National Park Service)