LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6678

Verrucaria bryoctona (Th. Fr.) Orange

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico)
substrate: soil, clay, humus, turf, detritus, dead leaves
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: granular, granulose, granulate
[th] upper surface: grey(ish) green
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular | verrucose, warted
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (min) 0.3(median) 0.5 (max) 0.75
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | grey(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: absent
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal | narrowly ellipsoidal
[asp] length [µm]: (min) 15.0 (low) 19.5(median) 22.0 (high) 24.5 (max) 29.0
[asp] width [µm]: (min) 5.0 (low) 6.0(median) 6.4 (high) 7.0 (max) 8.0
[asp] septa: absent – spore lumen unilocular, monolocular | present
[asp] septa: transversely septate
[asp] transversal septa: (low) 1.0 (high) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent | thin, thinly halonate | thick, distincly halonate
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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