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Lecanora leptacina Sommerf.
Family: Lecanoraceae
[Lecanora intricata var. leptacina (Sommerf.) Stizenb.]
Lecanora leptacina image
Life habit: lichenized (mutualistic with algal photobionts) thallus: squamulose (squamulous) [th] upper surface: yellow(ish) (if dull: buff) | yellow(ish) green [th marginal and upper surface] specific structures: absent ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (min) 0.4 (low) 1.0 (high) 1.5 ascoma: immersed, innate | sessile, superficial [ascm, if apoth] disc, mazaedium: subconvex, slightly convex [ascm, if apoth] disc, mazaedium: black(ish) | green(ish) black [ascm, if apoth] disc, mazaedium: pruinose [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: yellow(ish) (if dull: buff) | yellow(ish) green [ascm] paraphyses/-oids: present [ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 2.0 [ascm] paraphyses/-oid apical cells width [µm]: (median) 4.5 [ascm] epihymenium, epithecium: yellow(ish) brown 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] shape: ellipsoidal [asp] length [µm]: (median) 13.0 (max) 15.0 [asp] width [µm]: (min) 4.5 (low) 6.0 (high) 9.0 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent secondary metabolites: present secondary metabolites: 2'-O-demethylpsoromic acid | atranorin | psoromic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: bryophytes – mosses, liverworts.