LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 14306

Bacidia diffracta S. Ekman

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: leprose, leprarioid, powdery, byssoid | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | green(ish) grey | yellow(ish) grey | grey(ish) green
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.5 (low) 0.5(median) 0.8 (high) 0.9 (max) 1.1
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) brown (violet brown) | red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) brown (violet brown) | red(dish) brown (if pale: orange brown)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: red(dish) brown (if pale: orange brown) | brown(ish) red (carneous)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.2 (high) 1.6
[ascm] paraphyses/-oid apical cells width [µm]: (min) 1.2 (low) 1.6(median) 2.0 (high) 2.6 (max) 3.1
[ascm] epihymenium, epithecium: blue(ish) brown (violet 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: acicular (needle-shaped)
[asp] length [µm]: (min) 32.0 (low) 37.0(median) 45.0 (high) 54.0 (max) 69.0
[asp] width [µm]: (min) 1.9 (low) 2.6(median) 2.9 (high) 3.2 (max) 4.1
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (min) 3.0 (low) 4.0(median) 6.0 (high) 8.0 (max) 11.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: [cur] – curved, unciform, falcate, sickle-shaped
[co] length [µm]: (low) 10.0 (high) 15.0
secondary metabolites: absent | present
secondary metabolites: atranorin | zeorin (hopane-6α,22-diol)
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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