Dendrostoma atlanticum. Sexual morph a–d ectostromatic discs and ostioles e pseudostroma in vertical section f pseudostroma in cross section g peridium in cross section (in 3% KOH) h–k asci l–r ascospores. a–c, f, h, i, k–p WU 37024 = D196), d, e, g, j, q, r WU 37025 = D303. Scale bars: 1 mm (f), 500 µm (a–e), 10 µm (g–r).