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DescriptionThallus: continuous, immersed in the substratum; upper surface: whitish, smooth; photobiont: a trentepohlioid alga; Perithecia: hemispherical, c. 0.2 mm diam., immersed in bark, below black, often fused clypeus of 0.4-0.7 mm diam.; perithecial wall: pale, continuous below the hamathecium, ostiole white; hamathecium: branched pseudoparaphyses, anastomosing above the asci; filaments: c. 1 µm wide, not inspersed with oil droplets; asci: clavate, c. 70-90 x 13-16 µm, with 8, irregularly arranged ascospores, tip with a conspicuous tholus; ascospores: hyaline, narrowly ovate, 3-septate (starting with a median euseptum), 15-17 x 6-7 µm; wall: not ornamented, without a gelatinous sheath; Pycnidia: not observed; Spot tests: all negative, UV-; Secondary metabolites: none detected.; Substrate and ecology: on bark of various woody plants; World distribution: possibly nearly endemic; so far known only from the USA (Florida and Georgia) and Mexico (Baja California Sur); Sonoran distribution: . only recorded twice from Baja California Sur.; Notes: It is a rare species, which only recently has been described.