Epigloea diversispora is newly described from a coastal mountain summit in western Oregon, U.S.A. The species has minute, shiny, jet black ascocarps appearing on a biofilm of mixed cyanobacteria and algae. The spores are diverse in both shape and septation. Immature spores are initially nonseptate and ellipsoid, then become soleiform, then 1-septate, while mature spores are 3-septate and short fusiform. Lichenization is uncertain, but the species appears to form a loosely lichenized thallus with hyphae dispersed in a partly cyanobacterial and partly algal crust on thin soil, moss, and plant detritus, over rock.
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15 October 2020
Epigloea diversispora, a new possibly lichenized ascomycete from Oregon, with a key to the World species
Bruce McCune
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The Bryologist
Vol. 123 • No. 3
Fall 2020
Vol. 123 • No. 3
Fall 2020
biofilms
Epigloeaceae
North America
Ostropomycetidae