LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4

Absconditella lignicola Vězda & Pišút

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | lichens, lichenized fungi | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: algicolous (parasitic on eukaryotic algae) | lichenized (mutualistic with algal photobionts)
thallus: leprose, leprarioid, powdery, byssoid
thallus: granular, granulose, granulate
[th] upper surface: green(ish)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.01 (high) 0.1
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.2 (max) 0.27
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] disc, mazaedium: strongly concave, excavate, urceolate | concave | plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: yellow(ish) (if dull: buff) | white(ish) | yellow(ish) white (ivory, off-white, cream-coloured)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: green(ish) | yellow(ish) (if dull: buff) | white(ish)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 0.5 (high) 0.8
[ascm] paraphyses/-oid apical cells width [µm]: (low) 0.8 (high) 1.0
asci: unitunicate
[asc] tholus: not thickened | thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: broadly ellipsoidal | ellipsoidal
[asp] length [µm]: (low) 10.0 (high) 15.0
[asp] width [µm]: (low) 4.5 (high) 6.5
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: absent
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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