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Cetraria aculeata (Schreber) Fr. (redirected from: Cornicularia tenuissima)
Family: Parmeliaceae
[Bryopogon aculeatus (Schreb.) Hazsl.,  more]
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Stephen Sharnoff  
Life habit: lichenized (mutualistic with algal photobionts) thallus: fruticose (fruticous), shrub-like, beard-like thallus: continuous, diffuse, effuse [th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) [th upper surface]: epruinose [th marginal and upper surface] specific structures: present [th margin] cilia, cilioid structures: absent | present [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: absent | present [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 1.0 [th] morphol substructures (eg areoles, lobes, branches) upper surface: pseudocyphellate, with pseudocyphellae ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 2.0 (high) 5.0 [ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) [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] shape: ellipsoidal [asp] length [µm]: (low) 5.5 (high) 6.5 [asp] width [µm]: (low) 2.5 (high) 3.5 [asp] septa: absent – spore lumen unilocular, monolocular [asp] pigmentation: hyaline, colourless [asp] perispore, epispore: not apparent conidiomata: absent | present [co] length [µm]: (low) 7.0 (high) 7.5 secondary metabolites: present secondary metabolites: lichesterinic acid | protolichesterinic acid primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

substrate: soil, clay, humus, turf, detritus, dead leaves | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified.
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Lucy Taylor  
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Stephen Sharnoff  
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Stephen Sharnoff  
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