LIAS light – Item Descriptions
LIASlight ItemID: 8801
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | 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 | cracked, fissured, fractured, rimose |
| [th] upper surface: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | green(ish) grey | brown(ish) grey | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verruculose, minutely warted | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.4 (low) 0.6 (high) 0.7 (max) 0.8 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate |
| [ascm, if apoth] disc, mazaedium: | black(ish) | grey(ish) |
| [ascm, if apoth] disc, mazaedium: | 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] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.0 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | 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 (max) 10.0 |
| [asp] shape: | clavate | fusiform |
| [asp] length [µm]: | (min) 25.0 (low) 30.0 (high) 45.0 (max) 54.0 |
| [asp] width [µm]: | (min) 5.0 (low) 7.0(median) 8.0 (high) 9.0 (max) 10.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (min) 7.0 (low) 9.0 (high) 11.0 (max) 15.0 |
| [asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish |
| [asp] perispore, epispore: | thin, thinly halonate | amyloid |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |