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Ionaspis odora (Ach.) Stein (redirected from: Aspicilia odora)
Family: Megasporaceae
[Aspicilia odora (Ach. ex Schaer.) A. Massal.,  more]
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Global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic.  Substrate: rock – siliceous, siliciferous, acidic.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: crustose (crustaceous) – episubstratal – unspecified; cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate; [th] upper surface: green(ish) grey | yellow(ish) grey | brown(ish) green (olivaceous, olive green) | brown(ish) yellow (ochraceous, ochre) | red(dish) white (pink); [th marginal and upper surface] specific structures: absent.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma: immersed, innate; [ascm, if apoth] disc, mazaedium: green(ish) brown (olive brown) | red(dish) brown (if pale: orange brown) | white(ish) red (rose); [ascm] paraphyses/-oids: present.  Asci: lecanoralean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): absent.  Ascospores: (median) 8.0; [asp] length [µm]: (low) 9.0 (high) 12.0; [asp] width [µm]: (low) 5.0 (high) 7.0; [asp] septa: absent – spore lumen unilocular, monolocular; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Secondary metabolites: absent.  Primary photobiont: present, chlorophytaceous – trentepohliaceous, trentepohlioid.  Secondary photobionts (eg in cephalodia): absent.