LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 11865

Lecanora bicinctoidea Blaha & Grube

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: rock – siliceous, siliciferous, acidic
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: compartimentized – areolate, squamulate
[th] upper surface: white(ish) | yellow(ish) white (ivory, off-white, cream-coloured)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.4(median) 0.6 (high) 0.8 (max) 1.0
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.7(median) 1.0 (high) 1.3 (max) 1.7
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: blue(ish) | blue(ish) grey
[ascm, if apoth] disc, mazaedium: pruinose
[ascm, if apoth] disc, mazaedium pruina: dense
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 2.0
[ascm] paraphyses/-oid apical cells width [µm]: (low) 2.0 (high) 3.0
[ascm] epihymenium, epithecium: green(ish) brown (olive 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]: (low) 10.2(median) 11.6 (high) 13.0 (max) 15.0
[asp] width [µm]: (low) 5.7(median) 6.6 (high) 7.5 (max) 8.0
[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]: (min) 18.0(median) 25.0 (max) 29.0
secondary metabolites: present
secondary metabolites: arthothelin | atranorin | chloroatranorin | eugenitol | isoarthothelin | methyl 3α-hydroxy-4-O-demethylbarbatate | psoromic acid | sordidone | thiophanic 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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