LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3051

Lecidea caesioatra Schaer.

Characters[*]:Character States[*]:
global occurrence: Antarctic – Antarctica | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic | Antarctic – Southern Subpolar Islands, Subantarctic Islands
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: granular, granulose, granulate
[th] upper surface: black(ish) | grey(ish) | white(ish) | brown(ish) grey
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.2
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.3 (low) 0.5 (high) 1.0 (max) 1.2
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: convex | distinctly convex | strongly convex, hemispherical, (sub-)globose
[ascm, if apoth] disc, mazaedium: blue(ish) black | blue(ish) grey
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | red(dish) blue (violet) | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 2.0
[ascm] epihymenium, epithecium: blue(ish) green (turquoise) | green(ish) brown (olive brown)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc)
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 12.0 (low) 15.0 (high) 18.0 (max) 25.0
[asp] width [µm]: (low) 5.0 (high) 8.0 (max) 9.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: filiform, vermiform
[co] length [µm]: (low) 15.0 (high) 25.0
secondary metabolites: present
secondary metabolites: atranorin | sphaerophorin | thiophanic acid
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trebouxiaceous, chlorococcoid

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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