LIAS light – Item Descriptions
LIASlight ItemID: 2957
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | 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 | placodioid-crustose, placodioid-foliose |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) (if dull: buff) | grey(ish) yellow | green(ish) yellow |
[th upper surface]: | epruinose | pruinose |
[th upper surface] pruina: | scarce, sparse, fine |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 0.5 (low) 1.0 (high) 1.5 |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | discontiguous, dispersed (towards thallus periphery) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | maculate |
[th] lower surface: | brown(ish) black | yellow(ish) brown | brown(ish) red (carneous) |
[th lower surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 1.5 (high) 2.5 (max) 4.0 |
ascoma: | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) | yellow(ish) red (orange red) |
[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: | yellow(ish) (if dull: buff) | grey(ish) yellow | green(ish) yellow |
[ascm, if apoth] margin excipular photobionts: | present | abundant |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | yellow(ish) red (orange red) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.0 (max) 2.5 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.5 (high) 4.0 (max) 6.0 |
[ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
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) 8.0 (low) 10.0 (high) 12.0 (max) 14.0 |
[asp] width [µm]: | (min) 4.5 (low) 5.0 (high) 6.5 (max) 8.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | filiform, vermiform |
[co] length [µm]: | (min) 15.0 (low) 20.0 (high) 25.0 (max) 30.0 |
secondary metabolites: | present |
secondary metabolites: | arthothelin | thiophanic acid | granulosin |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |