Anthracoidea kenaica on Carex micropoda. A. Sori in the ovaries (S F-36682). B. Transverse section through the sorus showing reduced achene surrounded by spores (DAOM 28108). C–D. Enlarged area close to the achene surface (DAOM 28108). E. The spore formation (DAOM 28108). F. Cells of the soral membrane, indicated by arrows (DAOM 28108). Abbreviations: n — achene, e — dark layer of the remnants of the achene epidermis, s — layer of young hyaline spores, m — layer of gradually maturing dark spores. Bars: A = 1 mm, B = 500 µm, C–D = 20 µm, E–F = 10 µm.