Gowardia nigricans (Ach.) P. Halonen, L. Myllys, S. Velmala, & H. Hyvarinen   (redirected from: Alectoria nigricans (Ach.) Nyl.)
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Family: Parmeliaceae
[Alectoria boryana Delise, moreAlectoria nigricans (Ach.) Nyl., Alectoria nigricans f. goemerensis Gyeln., Alectoria nigricans f. nigricans (Ach.) Nyl., Alectoria nigricans f. subchalybeiformis Räsänen, Alectoria nigricans var. nigricans (Ach.) Nyl., Alectoria nigricans var. thulensis (Th. Fr.) Vain., Alectoria thulensis Th. Fr., Bryopogon nigricans (Ach.) Gyeln., Bryopogon nigricans f. goemerensis (Gyeln.) Gyeln., Bryopogon nigricans f. nigricans (Ach.) Gyeln., Bryopogon nigricans f. thulensis (Th. Fr.) Gyeln., Cornicularia ochroleuca var. nigricans Ach.]
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Botanische Staatssammlung München
Life habit: lichenized (mutualistic with algal photobionts) thallus: fruticose (fruticous), shrub-like, beard-like [th] upper surface: grey(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) black | white(ish) brown (beige) [th marginal and upper surface] specific structures: absent [th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.0 (high) 1.5 [th] morphol substructures (eg areoles, lobes, branches) upper surface: pseudocyphellate, with pseudocyphellae ascomata: absent | present ascoma: apothecial, apothecioid – hymenial ascoma [mm]: (low) 1.5 (high) 4.0 [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] length [µm]: (low) 30.0 (high) 41.0 [asp] width [µm]: (low) 20.0 (high) 23.0 [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 primary photobiont: present secondary photobionts (eg in cephalodia): absent primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid.

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