LIAS light – Item Descriptions
LIASlight ItemID: 2798
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | lichens, lichenized fungi |
| life habit: | lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | yellow(ish) (if dull: buff) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.3 (high) 2.0 |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | yellow(ish) black |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | grey(ish) | green(ish) |
| 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] length [µm]: | (low) 8.0 (high) 14.0 |
| [asp] width [µm]: | (low) 5.0 (high) 8.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | isousnic acid | zeorin (hopane-6α,22-diol) |
| host organism: | |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |