LIAS light – Item Descriptions
LIASlight ItemID: 5808
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic | 
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | foliose (foliaceous), leaf-like | 
| [th] upper surface: | grey(ish) | green(ish) | brown(ish) grey | 
| [th marginal and upper surface] specific structures: | absent | 
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | 
| [th lower surface] specific structures: | absent | present | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| ascoma [mm]: | (low) 2.0 (high) 6.0 | 
| ascoma: | immersed, innate | 
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | 
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | 
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless | 
| [ascm] paraphyses/-oids: | present | 
| [ascm] epihymenium, epithecium: | yellow(ish) brown | red(dish) brown (pale: orange brown) | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | present | 
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) | 
| ascospores: | (low) 1.0 (high) 2.0 | 
| [asp] shape: | ellipsoidal | fusiform | 
| [asp] septa: | present | 
| [asp] septa: | transversely septate | 
| [asp] pigmentation: | medium brown, brownish | dark brown | 
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked | 
| secondary metabolites: | absent | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |