
LIAS light – Item Descriptions
LIASlight ItemID: 3132
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | granular, granulose, granulate | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | white(ish) grey |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | discontiguous, dispersed (towards thallus periphery) |
[th] medulla amyloidity: | present |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 1.0 (high) 3.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] margin excipular photobionts: | absent | present |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.5 (high) 3.0 |
[ascm] epihymenium, epithecium: | yellow(ish) brown |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 8.0 (high) 11.0 (max) 13.0 |
[asp] width [µm]: | (min) 2.5(median) 3.0 (max) 4.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 9.0 (high) 15.0 |
secondary metabolites: | present |
secondary metabolites: | perlatolic acid | unknown/unidentified compound(s) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |