"Ascomycota" . . "(P. Karst.) Dennis ex E. Mll. 1977" . . . "Calycellina leucella" . "Hyaloscyphaceae" . "Helotiales" . "Calycellina leucella (P. Karst.) Dennis ex E. Mll. 1977" . "Leotiomycetes" . "Calycellina" . . . "Fungi" . . . . . . .