LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7275

Bacidia medialis (Tuck.) Zahlbr.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Americas – North America (incl Mexico) | Americas – South and Central America | Eurasia – Asia Tropical
substrate: bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | granular, granulose, granulate | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | green(ish) grey | grey(ish) green | brown(ish) green (olivaceous, olive green) | green(ish) brown (olive brown)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (median) 0.1
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus) | discontiguous, dispersed (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular | verrucose, warted | bullate | subsquamulose
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.3 (low) 0.3(median) 0.5 (high) 0.7 (max) 0.9
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow) | yellow(ish) brown | red(dish) brown (if pale: orange brown) | yellow(ish) red (orange red) | red(dish) white (pink)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow) | yellow(ish) brown | red(dish) brown (if pale: orange brown) | yellow(ish) red (orange red) | red(dish) white (pink)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | yellow(ish) brown | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.0 (high) 1.6
[ascm] paraphyses/-oid apical cells width [µm]: (min) 1.0 (low) 1.5(median) 1.7 (high) 2.1 (max) 3.2
[ascm] epihymenium, epithecium: yellow(ish) (if dull: buff) | hyaline, colourless | yellow(ish) brown | red(dish) brown (pale: orange 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: clavate | ellipsoid-cylindrical | [cur] – curved, unciform, falcate, sickle-shaped | fusiform | bacilliform, bacillar
[asp] length [µm]: (min) 16.0 (low) 20.0(median) 23.0 (high) 26.0 (max) 40.0
[asp] width [µm]: (min) 1.9 (low) 2.0(median) 2.8 (high) 3.4 (max) 3.7
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (min) 3.0 (low) 3.0(median) 3.0 (high) 4.0 (max) 7.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: filiform, vermiform
[co] length [µm]: (low) 13.0 (high) 17.0
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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