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Athallia saxifragarum (Poelt) Arup, Frödén & Søchting (redirected from: Caloplaca saxifragarum)
Family: Teloschistaceae
[Caloplaca saxifragarum Poelt]
Athallia saxifragarum image

Global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic.  Substrate: soil, clay, humus, turf, detritus, dead leaves.  Life habit: lichenized (mutualistic with algal photobionts).  Thallus: crustose (crustaceous) – episubstratal – unspecified; [th] upper surface: white(ish); [th marginal and upper surface] specific structures: absent.  Ascomata: absent | present; ascoma: apothecial, apothecioid – hymenial; ascoma [mm]: (min) 1.5.  Asci: lecanoralean; [asc] tholus: thickened; [asc] tholus amyloidity (iodine reaction): present; [asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc).  Ascospores: (median) 8.0; [asp] length [µm]: (low) 10.5 (high) 13.0; [asp] width [µm]: (low) 3.5 (high) 8.0; [asp] septa: absent | present – spore lumen bilocular, polarilocular, plurilocular; transversely septate; [asp] transversal septa: (median) 1.0; [asp] pigmentation: hyaline, colourless; [asp] perispore, epispore: not apparent.  Secondary metabolites: present, unknown/unidentified anthraquinone(s).  Primary photobiont: present, chlorophytaceous – trebouxiaceous, chlorococcoid.  Secondary photobionts (eg in cephalodia): absent.