F. de Thuemen, Mycotheca Universalis. Centuria VIII. 759. Sphaerella indistincta Peck. nov. spec. S. Peritheciis minutis, innatis, vix prominulis, sparsis vel subgregariis, globosis, nigris; ascis subcylindricis, 0.0014-0.0018 unc. long., sporidiis confertis, elongatis, subcylindraceis, hyalinis, simplicibus vel obscure uniseptatis, saepe curvulis, 0.0001-0.0011. unc. long. America septentr.: Albany- New-York- in frondibus emortuis Pteridis aquilinae Lin. Junio 1876. leg. C. H. Peck.