LIAS light – Item Descriptions
LIASlight ItemID: 14307
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| 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) | green(ish) grey | yellow(ish) grey |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.4 (low) 0.4(median) 0.6 (high) 0.7 (max) 1.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | red(dish) black | blue(ish) brown (violet brown) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | red(dish) black | blue(ish) brown (violet brown) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | red(dish) brown (if pale: orange brown) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 0.8 (high) 1.6 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (min) 1.0 (low) 1.3(median) 1.6 (high) 1.8 (max) 2.8 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | black(ish) brown |
| 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: | acicular (needle-shaped) |
| [asp] length [µm]: | (min) 33.0 (low) 50.0(median) 56.0 (high) 64.0 (max) 81.0 |
| [asp] width [µm]: | (min) 2.1 (low) 2.6(median) 2.8 (high) 3.1 (max) 3.7 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (min) 7.0 (low) 8.0(median) 13.0 (high) 15.0 (max) 19.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |