Script lichen

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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.^[1] The structures are elongated and narrow apothecia called lirellae, which look like short scribbles on the thallus.^[1] "Graphid" is derived from Greek for "writing". An example is Graphis mucronata.^[1]