1836 M. J. Berkeley in J. E. Smith V. ii. 290 R[hytisma] Andromedæ..innate oblong costato-rugose shining, disc of a cinereous dingy-brown hue.
1843 W. MacGillivray 223 Great Scallop... The auricles nearly equal, and divergingly costato-rugose.
1879 8 141 Thallus simple, very broad, oblongo-rotundate, subreticulately costato-rugose.