LIAS light – Item Descriptions
LIASlight ItemID: 12766
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – South and Central America |
| substrate: | leaves, fronds, needles – living |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | filamentose (filamentous), pannose | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | green(ish) | yellow(ish) green |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.2 (high) 0.3 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (low) 35.0 (high) 45.0 |
| [asp] width [µm]: | (low) 9.0 (high) 12.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 9.0 (high) 10.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |