LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 2663

Lecanora cavicola Creveld

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: rock – siliceous, siliciferous, acidic | 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) | green(ish) | white(ish) | yellow(ish) white (ivory, off-white, cream-coloured) | brown(ish) white | red(dish) white (pink)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent | present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: absent | present
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 0.5 (low) 1.0 (high) 3.0 (max) 5.0
[th] morphol substructures (eg areoles, squamules): discontiguous, dispersed (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted | bullate | subsquamulose
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 1.0 (high) 1.5 (max) 2.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: blue(ish) black | brown(ish) black | blue(ish) red (purple)
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | green(ish) | white(ish) | yellow(ish) white (ivory, off-white, cream-coloured) | brown(ish) white | red(dish) white (pink)
[ascm, if apoth] margin excipular photobionts: present | abundant
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: 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) 1.5 (high) 2.5
[ascm] epihymenium, epithecium: green(ish) | red(dish) brown (pale: orange 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]: (min) 6.5 (low) 8.0 (high) 11.0 (max) 13.5
[asp] width [µm]: (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 | [cur] – curved, unciform, falcate, sickle-shaped
[co] length [µm]: (low) 15.0 (high) 20.0
secondary metabolites: present
secondary metabolites: alectorialic acid | atranorin | thamnolic 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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