Basionym Name:Chapsa megaphlyctidioides Mangold, in Mangold, Elix & Lumbsch, in McCarthy (Ed.), Flora of Australia, Vol. 57. Lichens 5 (Melbourne): 654 (2009)
Homotypic synonyms:Astrochapsa megaphlyctidioides (Mangold) Parnmen, Lücking & Lumbsch, PLoS ONE 7(12): e51392, 9 (2012)