a. Bot. [f. THALLUS + -ODE + -IC.] Formed like, of the nature of, or pertaining to a thallus. So Thallodal a.
1860. Mayne, Expos. Lex., Thallodic.
1871. W. A. Leighton, Lichen-Flora, 179. Thallodal margin persistent.
