Colacogloea microspora sp. nov. (NS 20-141). A. Basidiome. B, C. Three-septate basidia with sterigmata, note colacosomes in hyphae. D. Cluster of conidiophores and conidia, note colacosomes in hyphae. E. Conidia. F. Basidiospores. G. Host–parasite interface, Pa = parasite cell, Ho = host cell, arrowheads indicate some positions of colacosomes. Scale bars: A = 1 cm; B–G = 10 μm.