LIAS light – Item Descriptions
LIASlight ItemID: 9206
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
| substrate: | bryophytes – mosses, liverworts | rock – siliceous, siliciferous, acidic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | compartimentized – areolate, squamulate |
| [th] upper surface: | white(ish) | yellow(ish) grey | grey(ish) blue | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted | bullate |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.3 (high) 0.9 (max) 1.5 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) grey | grey(ish) brown |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 3.0 (high) 3.5 |
| [ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | broadly ellipsoidal |
| [asp] length [µm]: | (low) 8.5 (high) 12.5 (max) 14.0 |
| [asp] width [µm]: | (low) 5.5 (high) 7.5 (max) 8.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | 2,5,7-trichloro-3-O-methylnorlichexanthone | 2,5,7-trichlorolichexanthone | 2,7-dichlorolichexanthone | 3-O-methylasemone | 3-O-methylthiophanic acid | 5,7-dichloro-3-O-methylnorlichexanthone | 5,7-dichloronorlichexanthone | arthothelin | 4,5,7-trichloronorlichexanthone (asemone) | atranorin | chloroatranorin | isoarthothelin |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |