LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6762

Verrucaria ochrostoma (Borrer ex Leight.) Trevis.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe
substrate: rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified
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) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) yellow (ochraceous, ochre) | grey(ish) brown | yellow(ish) brown
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.3 (high) 1.2
[th] morphol substructures (eg areoles, squamules): discontiguous, dispersed (throughout the thallus)
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (median) 0.4
ascoma: immersed, innate
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: absent
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 15.5 (low) 18.5(median) 20.9 (high) 23.5 (max) 27.0
[asp] width [µm]: (min) 8.5 (low) 10.0(median) 11.5 (high) 13.0 (max) 14.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: absent
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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