Dictyosporium pelagicum (Linder) G.C. Hughes ex E.B.G. Jones
Basionym: Speira pelagica Linder, Farlowia 1 (3): 407 (1944)
Description from Jones (1963) based on his collection on submerged test blocks in marine habitats.
Sexual morph: Undetermined. Asexual morph: Sterile hyphae within the substratum, hyaline to pale brown, branched and effuse. Conidiophores simple, pale brown and septate, 1.5–3.5 × 1.5–2.50. Conidia very irregularly shaped, dark brown to black, 21.6–44.5 × 14.5–36 µm, single and terminal, 2–5 (frequently 6–8) primary branches arising from a single basal cell, sometimes forming secondary branches, each with 6–10 cells and constricted at the septa.
Freshwater distribution: USA (Shearer 1972)
Shearer CA (1972) Fungi of the Chesapeake Bay and its tributaries. III. The distribution of wood-inhabiting ascomycetes and fungi imperfecti of the Patuxent River. Am J Bot 59:961–969
Jones EBG (1963) Marine fungi: II. Ascomycetes and deuteromycetes from submerged wood and drift Spartina. Trans Br Mycol Soc 46:135–144. https://doi.org/10.1016/s0007-1536(63)80015-7