Family: Ochrolechiaceae
[ Gasparrinia pallescens (L.) Tornab. , more, Lecanora pallescens (L.) Röhl., Lecanora pallescens f. anomala Harm., Lecanora pallescens f. leprosa Nyl., Lecanora pallescens f. pallescens (L.) Röhl., Lecanora pallescens f. variolosa Flot., Lecanora pallescens var. corticola A. Massal., Lecanora pallescens var. pallescens (L.) Röhl., Lecanora pallescens var. rosella Tuck., Lecanora pallescens var. tartarea L., Lichen pallescens L., Ochrolechia parella subsp. pallescens (L.) Clauzade & Cl. Roux, Parmelia pallescens (L.) Rebent., Parmelia pallescens f. pallescens (L.) Rabent., Parmelia pallescens f. subalpina Räsänen, Parmelia parella var. pallescens (L.) Ach., Patellaria pallescens (L.) Trevis., Pertusaria pallescens (L.) Müll. Arg., Pertusaria pallescens var. pallescens (L.) Müll. Arg., Pertusaria pallescens var. rosella Müll.Arg., Psora pallescens (L.) Baumg., Verrucaria pallescens (L.) F.H. Wigg.] |
Global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – South and Central America | Eurasia – Asia Tropical | Arctic. Substrate: bark, cork, plant surface – trunks, branches, twigs. Life habit: lichenized (mutualistic with algal photobionts). Thallus: crustose (crustaceous) – episubstratal – unspecified; continuous, diffuse, effuse; [th] upper surface: grey(ish) | white(ish); [th marginal and upper surface] specific structures: absent; [th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus); [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted. Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (low) 3.0 (high) 4.0; ascoma: sessile, superficial; [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded; [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) red (orange red); [ascm, if apoth] disc, mazaedium: epruinose | pruinose; [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | white(ish); [ascm, if apoth] margin excipular photobionts: present; [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless; [ascm] paraphyses/-oids: present; [ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless. Asci: lecanoralean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): present; [asc] tholus amyloidity pattern: with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc). Ascospores: [asp] shape: ellipsoidal; [asp] length [µm]: (low) 40.0 (high) 70.0; [asp] width [µm]: (low) 25.0 (high) 30.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent. Secondary metabolites: present, gyrophoric acid | variolaric acid. Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid. Secondary photobionts (eg in cephalodia): absent. |