LIAS light – Item Descriptions
LIASlight ItemID: 11814
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – North America (incl Mexico) | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | filamentose (filamentous), pannose | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) brown | green(ish) brown (olive brown) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.2 (high) 0.3 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | grey(ish) brown |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | grey(ish) brown |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean | fissitunicate – bitunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (low) 17.0 (high) 25.0 (max) 32.0 |
| [asp] width [µm]: | (low) 6.0 (high) 9.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (min) 3.0(median) 5.0 |
| [asp] pigmentation: | hyaline, colourless | greyish brown |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |