LIAS light – Item Descriptions
LIASlight ItemID: 7033
Diploschistes thunbergianus (Ach.) Lumbsch & Vězda
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Oceania – Australasia |
substrate: | soil, clay, humus, turf, detritus, dead leaves |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | white(ish) | white(ish) grey |
[th upper surface]: | pruinose |
[th upper surface] pruina: | scarce, sparse, fine | dense |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.3 (high) 1.5 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 1.5 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (median) 2.0 |
[ascm] epihymenium, epithecium: | black(ish) |
asci: | unitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (min) 4.0(median) 8.0 |
[asp] shape: | broadly ellipsoidal |
[asp] length [µm]: | (low) 16.0 (high) 28.0 |
[asp] width [µm]: | (low) 6.0 (high) 16.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] transversal septa: | (low) 3.0 (high) 5.0 |
[asp] pigmentation: | medium brown, brownish |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 4.0 (high) 6.0 |
secondary metabolites: | present |
secondary metabolites: | diploschistesic acid | lecanoric acid | orsellinic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |