LIAS light – Item Descriptions
LIASlight ItemID: 4503
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
| [th] upper surface: | grey(ish) | green(ish) grey | yellow(ish) grey | grey(ish) green | grey(ish) white |
| [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) upper surface: | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.6 (high) 2.0 |
| ascoma: | immersed, innate |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
| ascospores: | (min) 2.0 (low) 4.0 (high) 6.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 40.0 (high) 80.0 (max) 130.0 |
| [asp] width [µm]: | (low) 20.0 (high) 40.0 (max) 50.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent | thick, distincly halonate |
| conidiomata: | absent | present |
| conidia: | cylindrical |
| [co] length [µm]: | (low) 7.0 (high) 10.0 |
| secondary metabolites: | present |
| secondary metabolites: | 2,5-dichlorolichexanthone | 4,5-dichlorolichexanthone (coronatone) | constictic acid | norstictic acid | stictic acid | coronaton |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |