Ramalina fraxinea (L.) Ach.
in Compt. Rend. Hebd. Séances Acad. Sci. 83: 88 (Jul 1876) [and in J. Linn. Soc. Bot. 15: 225 (1876)].
Basionym: Lichen aggregatus Sw., Prodr.: 147. 10 jun - 29 Jul 1788.
Chemistry: Usnic acid (trace, only in apothecia in higher concentration), unknown fatty acid (5-6/3-4/5), unknown terpenoid (6/7-8/6-7) (Obermayer 2009: 5).