LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 446

Bacidia arceutina (Ach.) Arnold

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico)
substrate: bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | granular, granulose, granulate | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | white(ish) | green(ish) grey | yellow(ish) grey | white(ish) grey
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugulose, finely wrinkled
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.2 (low) 0.4(median) 0.5 (high) 0.8 (max) 11.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex | distinctly convex
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black | red(dish) black | black(ish) brown | grey(ish) brown | blue(ish) brown (violet brown) | yellow(ish) brown | red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black | red(dish) black | black(ish) brown | grey(ish) brown | blue(ish) brown (violet brown) | yellow(ish) brown | red(dish) brown (if pale: orange brown)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff) | hyaline, colourless | yellow(ish) 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) 1.8(median) 2.2 (high) 2.7 (max) 3.2
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless | brown(ish) yellow (ochraceous, ochre) | green(ish) brown (olive brown) | yellow(ish) 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: filiform, vermiform | acicular (needle-shaped)
[asp] length [µm]: (min) 30.0 (low) 47.0(median) 54.0 (high) 64.0 (max) 71.0
[asp] width [µm]: (min) 1.2 (low) 1.5(median) 1.8 (high) 2.2 (max) 2.8
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (min) 3.0 (low) 5.0(median) 7.0 (high) 11.0 (max) 15.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: filiform, vermiform
[co] length [µm]: (low) 9.0 (high) 17.0
secondary metabolites: absent | present
secondary metabolites: unknown/unidentified pigment(s)
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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