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Pertusaria geminipara (Th. Fr.) C. Knight ex Brodo
Family: Pertusariaceae
[Lecanora geminipara Th. Fr.,  more]
Pertusaria geminipara image
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) – episubstratal – unspecified thallus: granular, granulose, granulate [th] upper surface: grey(ish) white | yellow(ish) white (ivory, off-white, cream-coloured) [th marginal and upper surface] specific structures: present [th margin] cilia, cilioid structures: absent [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.2 [th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 2.5 [ascm, if apoth] disc, mazaedium: black(ish) | red(dish) [ascm] paraphyses/-oids: present asci: lecanoralean [asc] tholus: thickened [asc] tholus amyloidity (iodine reaction): present [asc] tholus amyloidity pattern: with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) ascospores: (median) 2.0 [asp] length [µm]: (low) 22.0 (high) 40.0 [asp] width [µm]: (low) 15.0 (high) 20.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: alectorialic acid | barbatolic acid | unknown/unidentified xanthone(s) primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: bryophytes – mosses, liverworts | rock, stones, pebbles – unspecified.