LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 11828

Bacidina contecta S. Ekman & T. Sprib.

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[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]: (min) 0.03 (low) 0.06 (high) 0.09 (max) 0.11
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular | subsquamulose | rugulose, finely wrinkled
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.13 (low) 0.2 (high) 0.46 (max) 0.64
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: red(dish) yellow (orange, orange yellow) | white(ish) brown (beige) | 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: red(dish) yellow (orange, orange yellow) | white(ish) brown (beige) | yellow(ish) white (ivory, off-white, cream-coloured)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff) | hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (min) 1.0 (low) 1.4 (high) 2.0 (max) 2.3
[ascm] paraphyses/-oid apical cells width [µm]: (min) 1.5 (low) 2.9 (high) 3.4 (max) 6.5
[ascm] epihymenium, epithecium: hyaline, colourless
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: acicular (needle-shaped)
[asp] length [µm]: (min) 28.5 (low) 32.0 (high) 41.3 (max) 44.0
[asp] width [µm]: (min) 1.0 (low) 1.2 (high) 1.6 (max) 1.9
[asp] septa: absent – spore lumen unilocular, monolocular | present
[asp] septa: transversely septate
[asp] transversal septa: (low) 1.0(median) 2.0 (high) 5.0 (max) 10.0
[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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