a. and sb. [ad. mod.L. līchēnālis, f. L. līchēn LICHEN sb.] a. adj. Of or pertaining to a lichen. Lichenal Alliance: Lindley’s name for the group of lichens. b. sb. A member of the ‘Lichenal Alliance,’ a lichen.
1846. Lindley, Veg. Kingd., 45. Alliance III. Lichenales.—The Lichenal Alliance.
1854. A. Adams, etc., Man. Nat. Hist., 532. Lichenals (Lichenales).
