
LIAS light – Item Descriptions
LIASlight ItemID: 11965
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
substrate: | leaves, fronds, needles – living |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | leprose, leprarioid, powdery, byssoid | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | green(ish) | grey(ish) green |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | granulose, granular |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 0.1 (low) 0.15 (high) 0.35 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | yellow(ish) (if dull: buff) | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) (if dull: buff) | brown(ish) yellow (ochraceous, ochre) | yellow(ish) brown |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 0.8 (high) 1.0 |
[ascm] epihymenium, epithecium: | hyaline, colourless |
asci: | unitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (low) 6.0 (high) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 13.0 (high) 25.0 |
[asp] width [µm]: | (low) 3.5 (high) 4.5 (max) 5.5 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 (max) 5.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent | thick, distincly halonate |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |