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Trapeliopsis viridescens (Schrader) Coppins & P. James (redirected from: Biatora viridescens)
Family: Porpidiaceae
[Biatora viridescens (Schrad.) W. Mann,  more]
Trapeliopsis viridescens image
Life habit: lichenized (mutualistic with algal photobionts) thallus: leprose, leprarioid, powdery, byssoid | crustose (crustaceous) – episubstratal – unspecified thallus: granular, granulose, granulate [th] upper surface: grey(ish) | green(ish) [th marginal and upper surface] specific structures: present [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present [th] medulla amyloidity: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (median) 0.6 [ascm, if apoth] disc, mazaedium: convex [ascm, if apoth] disc, mazaedium: black(ish) | green(ish) black asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): absent | present [asc] tholus amyloidity pattern: with amyloid tube and flanks (= Rimularia-, Trapelia-types etc) ascospores: (median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (low) 9.0 (high) 12.0 [asp] width [µm]: (low) 4.0 (high) 5.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: gyrophoric acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves.