LIAS light – Item Descriptions
LIASlight ItemID: 8267
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Americas – South and Central America | Eurasia – Asia Tropical |
| 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 |
| [th] upper surface: | grey(ish) | green(ish) grey | grey(ish) green | brown(ish) white |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.25 (high) 1.0 (max) 1.3 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | grey(ish) | hyaline, colourless |
| asci: | unitunicate |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (min) 4.0 (low) 6.0 (high) 8.0 |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (min) 39.0 (low) 50.0 (high) 110.0 (max) 125.0 |
| [asp] width [µm]: | (min) 5.5 (low) 6.0 (high) 12.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 19.0 (high) 34.0 (max) 36.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent | thin, thinly halonate | thick, distincly halonate |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |