LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 8944

Biatora toensbergii Holien & Printzen

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | white(ish) | green(ish) grey | brown(ish) grey
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.2 (high) 0.6
[th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.4 (high) 0.65 (max) 1.15
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: brown(ish) yellow (ochraceous, ochre) | red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) yellow (ochraceous, ochre)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: hyaline, colourless
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc)
ascospores: (median) 8.0
[asp] shape: narrowly ellipsoidal
[asp] length [µm]: (min) 10.0 (low) 11.3 (high) 16.4 (max) 22.0
[asp] width [µm]: (min) 3.5 (low) 3.8 (high) 4.7 (max) 5.5
[asp] septa: absent – spore lumen unilocular, monolocular | present
[asp] septa: transversely septate
[asp] transversal septa: (low) 0.0 (high) 1.0 (max) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
[co] length [µm]: (low) 7.5 (high) 10.0
secondary metabolites: present
secondary metabolites: argopsin | norargopsin
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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