Slideshow image
Lecanora conizaeoides Nyl. ex Crombie
Family: Lecanoraceae
Lecanora conizaeoides image
Stephen Sharnoff  

Global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic.  Substrate: bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: crustose (crustaceous) – episubstratal – unspecified; thallus: continuous, diffuse, effuse | granular, granulose, granulate; [th] upper surface: green(ish) | grey(ish) green | green(ish) yellow; [th upper surface]: epruinose; [th marginal and upper surface] specific structures: absent | present; [th margin] cilia, cilioid structures: absent; [th upper surface] isidia, isidioid structures: absent; [th upper surface] soredia, soralia, soralioid structures: absent | present; [th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular | verrucose, warted.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (min) 1.5; ascoma: sessile, superficial; [ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded; [ascm, if apoth] disc, mazaedium: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) grey | red(dish) grey | grey(ish) green; [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: white(ish) grey; [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless; [ascm] paraphyses/-oids: present.  Asci: lecanoralean; [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).  Ascospores: (median) 8.0; [asp] length [µm]: (low) 9.0(median) 10.0 (high) 11.0 (max) 14.0; [asp] width [µm]: (min) 4.0 (low) 6.0(median) 6.5 (high) 7.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Conidiomata: absent | present.  Conidia: filiform, vermiform; [co] length [µm]: (low) 12.0 (high) 22.0.  Secondary metabolites: present, fumarprotocetraric acid | usnic acid.  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.