Phomatosporales » Phomatosporaceae » Phomatospora

Phomatospora berkeleyi

Phomatospora berkeleyi Sacc

Index Fungorum number: IF240042

Sexual morph: Ascomata 174182 ´ 172176 µm, scattered, immersed, globose, ostiolate, with a short beak protruding from epidermis, membranous, light brown, thickened in upper regions by black layer of amorphous material around the beak. Beak short 5258 ´ 4048 µm, central, dark brown to black, conical, periphysate. Peridium 510 µm thick, composed of 5 or 6 layers of compressed and elongated cells; cells 57 ´ 12 µm, textura epidermoidea in surface view, textura angularis in longitudinal section. Paraphyses not seen. Asci 6480 ´ 36 µm, in several fascicles, unitunicate, cylindrical or broadly cylindrical, with an apical refractive ring, staining blue in aqueous cotton blue,J-, with roundly truncated apex, thin walled, with eight overlapping uniseriate ascospores. Ascospores 810 ´ 35 µm, ellipsoid with rounded ends, single celled, hyaline, biguttulate , longitudinally striate, with rounded bipolar gelatinous caps; caps 1.52.5 µm diam, visible when mounted in KOH. Asexual morph: Undetermined

Specimen examined: AUSTRALIA, Queensland, submerged wood in stream (Vijaykrishna and Hyde 2006); USA, Illinois, Tinley Park Forest Preserve, Typha pond, on submerged stems of Typha latifolia; Wisconsin, Trout lake, on submerged stems of Carex comosa, Big Muskellunge lake, on submerged stems of Scirpus brevicaudatus, Allequash lake, on submerged stems of Typha latifolia (Fallah and Shearer 1998)

Notes: Holotype K(M) 49573, other specimens were collected from freshwater: ILLS 53088, ILLS 53089, ILLS 53091. Sequence data is not available. Phomatospora berkeleyi was originally collected from dead stalks of Solanum on terrestrial habitats (Saccardo 1875). Fallah and Shearer (1998) collected this species from freshwater habitats and provided descriptions and illustrations.