Bujakiewicz (1979)[2635], Bujakiewicz (1981)[3657] (as Lachnellula willkommii), Bujakiewicz (1982)[3404] (as Lachnellula willkommii), Bujakiewicz (1982)[3658] (as Lachnellula willkommii), Bujakiewicz (1987)[3836] (as Lachnellula willkommii), Bujakiewicz (2004)[1339], Bujakiewicz (2018)[1344], Chachuła et al. (2021)[1375], Domański (1963)[2686] (as Dasyscypha Willmommii), Domański et al. (1963)[2711] (as Trichoscyphella willkommii), Domański et al. (1967)[2712] (as Trichoscyphella Willkommii), Dominik (1936)[2724] (as Dasyscypha Wilkommii), Eichler (1907)[2754], Fełenczak (1927)[2764], Garbowski (1929)[3512], Garbowski & Juraszkówna (1933)[3511], Gierczyk et al. (2009)[1482], Gierczyk et al. (2019)[1495] (as: Dasyscyphus willkommii), Hennings (1892)[2845] (as Dasyscypha calycina (= D. Willkommii)), Kinelska & Roślik (1959)[2901] (as Dasyscypha willkommii), Kozłowska et al. (2015)[1705], Kozłowska et al. (2019)[1706], Kućmierz (1971)[3543] (as Dasyscypha willkommii), Kujawa (2009)[1752], Moesz (1926)[3018], Namysłowski (1914)[3031] (as Dasyscypha Willkommii), Orłoś (1951)[3073] (as Dasyscypha willkommii), Raciborski (1890)[3586] (as Peziza willkomii), Rouppert (1909)[3152] (as Dasyscypha willkommii), Rouppert (1912)[3154] (as Dasyscypha willkommii), Schroeter (1908)[3183], Skirgiełło (1959)[3194], Stasińska & Sotek (2016)[2255] (as: Dasyscyphus willkommii), Stec-Rouppertowa (1936)[3604] (as Dasyscyphus willkommii), Szulczewski (1931)[3291], Trzebiński (1916)[3607], Wilga (2013)[2469], Wilga (2016)[3812], Wilga & Wantoch-Rekowski (2019)[2488], Wodziczko (1911)[3349] (as Dasyscypha willkommi), Zaleski & Glaser (1953)[3434], Zaleski & Golenia (1954)[3435], Zaleski et al. (1948)[3433], Zalewski (1886)[3436] (as Peziza Willkommii)