LIAS light – Item Descriptions
LIASlight ItemID: 2672
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | green(ish) grey | yellow(ish) green |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, squamules): | discontiguous, dispersed (throughout the thallus) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.4 (high) 1.0 (max) 1.2 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | green(ish) grey | yellow(ish) green |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 2.0 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.5 (high) 3.0 |
[ascm] epihymenium, epithecium: | blue(ish) green (turquoise) |
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) 9.0 (low) 10.0 (high) 12.0 (max) 13.0 |
[asp] width [µm]: | (low) 4.0 (high) 5.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | filiform, vermiform |
[co] length [µm]: | (low) 18.0 (high) 27.0 (max) 30.0 |
secondary metabolites: | present |
secondary metabolites: | usnic acid | zeorin (hopane-6α,22-diol) | unknown/unidentified fatty acid(s) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |