Script lichen
Group of lichens

A script lichen, or graphid lichen, is a member of a group of lichens which have spore producing structures that look like writing on the lichen body. The structures are elongated and narrow apothecia called lirellae, which look like short scribbles on the thallus. "Graphid" is derived from Greek for "writing". An example is Halegrapha mucronata.
Sources and credits
This article is adapted from the Wikipedia article “Script lichen”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.
Images, from Wikimedia Commons:
- Script lichen on banyan tree.jpg by Wikiratno, CC BY-SA 4.0
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