LIAS light – Item Descriptions
LIASlight ItemID: 8419
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) (if dull: buff) |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.8 (high) 2.0 |
ascoma: | sessile, superficial |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
ascospores: | (median) 8.0 |
[asp] shape: | broadly ellipsoidal |
[asp] length [µm]: | (low) 60.0 (high) 85.0 |
[asp] width [µm]: | (low) 37.0 (high) 50.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | 6-O-methylasemone | arthothelin | 4,5,7-trichloronorlichexanthone (asemone) | thiophanic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |