LIAS light – Item Descriptions
LIASlight ItemID: 1679
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | squamulose (squamulous) | foliose (foliaceous), leaf-like |
| [th] upper surface: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.5 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 1.5 |
| 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) |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (low) 15.0 (high) 24.0 |
| [asp] width [µm]: | (low) 3.0 (high) 4.5 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |