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Thrombium epigaeum (Pers.) Wallr.
Family: Thrombiaceae
[Inoderma epigaeum (Pers.) Gray,  more]
Thrombium epigaeum image
Stephen Sharnoff  
Thallus: crustose, effuse, film-like, smooth or slightly uneven, or evanescent upper surface: grayish, greenish or yellowish green to brownish, subgelatinous when wet Perithecia: almost globose, up to 0.45 mm in diam., fully immersed with only the ostioles showing as black dots; exciple: dark brown or black, laterally 20-30 µm thick, lacking periphyses; paraphyses: simple, few to many, c. 2.5 µm thick asci: subcylindrical, 130-170 x 17-25 µm, 8-spored ascospores: simple, (sub-)biseriate, narrowly ellipsoid, c. 18-26 x 7-10 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on loamy or sandy soil, mosses or detritus, in sheltered places from lowlands to alpine regions World distribution: widespread, often in holarctic regions of Eurasia, North and South America, and New Zealand Sonoran distribution: NW Baja California and Guadalupe Island.
Thrombium epigaeum image
Troy McMullin  
Thrombium epigaeum image
Stephen Sharnoff  
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image
Thrombium epigaeum image