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Phaeocalicium praecedens (Nyl.) Alb. Schmidt
Family: Mycocaliciaceae
[Calicium praecedens Nyl.,  more]
Phaeocalicium praecedens image
Life habit: saprobic (on decaying organic substrate) | phytopathogenic (pathogenic on kormophytes) thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 0.2 (high) 0.3 ascoma: pedicellate, stipitate, pedunculate, stalked [ascm, if apoth] disc, mazaedium: black(ish) | red(dish) brown (if pale: orange brown) [ascm, if apoth] disc, mazaedium: epruinose [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) asci: prototunicate [asc] tholus: not thickened [asc] tholus amyloidity (iodine reaction): absent [asp] shape: ellipsoidal [asp] length [µm]: (min) 11.0 (low) 12.0 (high) 13.0 (max) 17.0 [asp] width [µm]: (min) 4.0 (low) 5.0 (high) 7.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: medium brown, brownish | dark brown [asp] perispore, epispore: not apparent secondary metabolites: absent primary photobiont: absent.

substrate: bark, cork, plant surface – trunks, branches, twigs.