LIAS light – Item Descriptions
LIASlight ItemID: 1729
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
| substrate: | soil, clay, humus, turf, detritus, dead leaves |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| [th] upper surface: | brown(ish) black | blue(ish) green (turquoise) | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 1.0 (high) 3.0 |
| 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: | (median) 4.0 |
| [asp] length [µm]: | (low) 26.0 (high) 34.0 |
| [asp] width [µm]: | (low) 10.0 (high) 15.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] pigmentation: | hyaline, colourless |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |