LIAS light – Item Descriptions
LIASlight ItemID: 5843
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – South and Central America | Arctic |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | filamentose (filamentous), pannose | subfruticose (subfruticous), fruticulose, dactyliform |
| [th] upper surface: | black(ish) | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th lower surface] specific structures: | present |
| [th lower surface] rhizines, rhizoid structures: | present |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.5 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 2.5 |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 7.0 (high) 9.0 (max) 11.0 |
| [asp] width [µm]: | (median) 2.5 (max) 6.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | ellipsoidal | cylindrical |
| [co] length [µm]: | (median) 2.5 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |