LIAS light – Item Descriptions
LIASlight ItemID: 2625
Lecanora atrosulphurea (Wahlenb.) Ach.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) (if dull: buff) | green(ish) grey | green(ish) yellow |
[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]: | (low) 0.5 (high) 2.0 (max) 2.5 |
ascoma: | immersed, innate | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | black(ish) | green(ish) black |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) (if dull: buff) | green(ish) grey | green(ish) yellow |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 2.0 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 3.0 (high) 5.0 |
[ascm] epihymenium, epithecium: | brown(ish) black | blue(ish) brown (violet brown) |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (min) 8.0 (low) 11.0 (high) 15.0 (max) 16.5 |
[asp] width [µm]: | (low) 4.0 (high) 5.0 (max) 6.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | filiform, vermiform | [cur] – curved, unciform, falcate, sickle-shaped |
[co] length [µm]: | (low) 22.0 (high) 28.0 |
secondary metabolites: | present |
secondary metabolites: | arthothelin | norstictic acid | skyrin (rhodophyscin) | thiophanic acid | usnic acid | zeorin (hopane-6α,22-diol) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |