LIAS light – Item Descriptions
LIASlight ItemID: 7823
| 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) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
| [th] upper surface: | grey(ish) | white(ish) |
| [th upper surface]: | pruinose |
| [th upper surface] pruina: | dense |
| [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: | smooth, plane |
| [th] medulla amyloidity: | present |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.3 (low) 0.5 (high) 0.8 (max) 1.1 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | black(ish) brown | red(dish) brown (if pale: orange brown) |
| [ascm] paraphyses/-oids: | present |
| [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 acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal | oblong, oblong-obtuse | oblong-truncate |
| [asp] length [µm]: | (min) 12.0 (low) 15.0(median) 16.8 (high) 18.5 (max) 20.0 |
| [asp] width [µm]: | (min) 6.0 (low) 6.5(median) 7.3 (high) 8.1 (max) 9.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [co] length [µm]: | (low) 4.0 (high) 6.5 |
| secondary metabolites: | present |
| secondary metabolites: | connorstictic acid | hypostictic acid | norstictic acid | stictic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |