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Candelariella kuusamoensis Rasanen
Family: Candelariaceae
Candelariella kuusamoensis image

Global occurrence: Eurasia – Europe | Arctic.  Substrate: bryophytes – mosses, liverworts.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: crustose (crustaceous) – episubstratal – unspecified; granular, granulose, granulate; [th] upper surface: yellow(ish) (if dull: buff); [th marginal and upper surface] specific structures: absent.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial.  Asci: lecanoralean.  Ascospores:  [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): present; [asc] tholus amyloidity pattern: amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc); [asp] length [µm]: (low) 9.0 (high) 15.0; [asp] width [µm]: (low) 4.5 (high) 5.5; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Secondary metabolites: present, pulvinic acid derivatives.  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.