Basionym Name:Phacidium eugeniarum Heer, Flora tertiaria Helvetiae, Die apetalen Dicotyledonen 1: 17, tab. II, fig. 1 (1855)
Homotypic synonyms:Phacidiopsis eugeniarum (Heer) Kuntze, Revis. gen. pl. (Leipzig) 3(3): 502 (1898)Phacidites eugeniarum (Heer) Mesch., Syll. fung. (Abellini) 10: 776 (1892)