LIAS light – Item Descriptions
LIASlight ItemID: 7450
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | white(ish) grey | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) | grey(ish) white |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.85 (high) 0.9 |
| [th] morphol substructures (eg areoles, squamules): | discontiguous, dispersed (throughout the thallus) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verruculose, minutely warted | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.6 (high) 1.1 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) |
| [ascm, if apoth] margin excipular photobionts: | present | abundant |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 3.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 4.0 (high) 6.5 |
| [ascm] epihymenium, epithecium: | grey(ish) | blue(ish) | hyaline, colourless | blue(ish) grey | grey(ish) blue |
| 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 | narrowly ellipsoidal |
| [asp] length [µm]: | (min) 15.5 (low) 22.5 (high) 24.5 (max) 31.0 |
| [asp] width [µm]: | (min) 7.0 (low) 9.5 (high) 10.5 (max) 13.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish | dark brown |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |