LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3005

Lecanora valesiaca (Müll. Arg.) Stizenb.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico)
substrate: rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: placodioid-crustose, placodioid-foliose
thallus: cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: white(ish) | yellow(ish) grey | yellow(ish) green | grey(ish) yellow | green(ish) yellow
[th upper surface]: pruinose
[th upper surface] pruina: dense
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.5 (high) 1.1
[th] morphol substructures (eg areoles, squamules): discontiguous, dispersed (towards thallus periphery)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted | subsquamulose
[th] morphol substructures (eg lobes, branches): subdichotomous
[th] lower surface: grey(ish) | white(ish)
[th lower surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 1.3 (max) 2.0
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: yellow(ish) grey | black(ish) green | grey(ish) yellow | green(ish) yellow | green(ish) brown (olive brown) | yellow(ish) brown
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: yellow(ish) grey | yellow(ish) green | grey(ish) yellow | green(ish) yellow
[ascm, if apoth] margin excipular photobionts: present | abundant
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff) | hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 2.0
[ascm] paraphyses/-oid apical cells width [µm]: (low) 2.0 (high) 2.5 (max) 4.0
[ascm] epihymenium, epithecium: yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
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: broadly ellipsoidal | ellipsoidal | ovoid, ovate
[asp] length [µm]: (min) 8.0 (low) 9.0 (high) 11.0 (max) 12.0
[asp] width [µm]: (min) 4.0 (low) 5.0 (high) 6.0 (max) 7.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: filiform, vermiform
[co] length [µm]: (low) 15.0 (high) 20.0 (max) 25.0
secondary metabolites: present
secondary metabolites: roccellic acid | usnic acid
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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