Gymnoascus verrucosus. (AMH 9454) A. Ascomata with loose central mass of asci and ascospores and thick-walled, septate peridial hyphae radiating towards periphery. Note typical bi- or trifurcating peridial appendages resembling deer antlers. B. Two asci traced from SEM photomicrographs showing minute tuberculations on the entire surface of the ascospores. Bars: A =20 µm; B = 2 µm.