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Lecanora rugosella Zahlbr.
Family: Lecanoraceae
[Lecanora chlarotera f. rugosella (Zahlbr.) Poelt]
Lecanora rugosella image
Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: granular, granulose, granulate | compartimentized – areolate, squamulate [th] upper surface: grey(ish) | yellow(ish) white (ivory, off-white, cream-coloured) [th upper surface]: epruinose [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus) | discontiguous, dispersed (throughout the thallus) [th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 0.5 (low) 0.7 (high) 1.3 (max) 2.0 ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow) | red(dish) brown (if pale: orange brown) [ascm, if apoth] disc, mazaedium: epruinose | pruinose [ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine [ascm, if apoth] margin excipular photobionts: present | abundant [ascm] paraphyses/-oids: present [ascm] epihymenium, epithecium: hyaline, colourless | red(dish) brown (pale: orange brown) asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present ascospores: (median) 8.0 [asp] shape: ellipsoidal [asp] length [µm]: (min) 10.0 (low) 12.0 (high) 17.0 (max) 18.0 [asp] width [µm]: (min) 6.0 (low) 7.0 (high) 9.5 (max) 11.5 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: atranorin | gangaleoidin | roccellic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs.