Dougoud 2012 named the genus Aeruginoscyphus with the type species A. sericeus (=Peziza sericea, = Erinella sericea), and regarded Erinella aeruginosa as a synonym. Based on ITS sequences from specimens collected and identified by Stip Helleman as Erinella aeruginosa (CBS 128862, CBS 128863), this fungus belongs in a clade with Chlorovibrissea and several other species from New Zealand. Aeruginoscyphus sericeus, and the three unnamed cupulate New Zealand species, make Chlorovibrissea paraphyletic (but this is based only on ITS sequences).
The fungi in this clade are morphologically diverse - Chlorovibrissea with glabrous, long-stalked, capitate apothecia, Aeruginoscyphus and the other New Zealand species with cupulate apothecia that are hairy and stipitate to substipitate. The New Zealand species PDD 70096 is phylogenetically closeest to A. sericeus. Both species are found on wood and have long, greenish, smooth-walled hairs but the New Zealand species has elliptic ascospores with roughened walls. The other two New Zealand species have darker-walled hairs, have hair-like elements scattered across the hymenium, and are found on fallen leaves.
Additional genes may help clarify relationships amongst these morphologically divergent fungi.