Pseudoophiobolus mathieui (MFLU 18-1907). a-b. Ascomata on dead host surface of Artemisia sp. (Asterales, Asteraceae). c. Section of an ascoma. d. Close-up of ostiole. e. Peridium. f. Pseudoparaphyses. g-j. Asci. k-m. Ascospores. n. Ascospore with a swollen point (arrow). o-p. Colonies on PDA from upper (o) to lower (p) sides. Scale bars: b, d = 100 μm, c, f = 50 μm, e, g, h, l, m = 20 μm, i, j = 10 μm, n = 5 μm.