LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 2585

Lecania sylvestris (Arnold) Arnold

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia | Eurasia – Europe
substrate: rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | granular, granulose, granulate | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | white(ish) | white(ish) brown (beige) | yellow(ish) white (ivory, off-white, cream-coloured)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 0.3
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.24 (low) 0.29(median) 0.32 (high) 0.34 (max) 0.48
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) | red(dish) yellow (orange, orange yellow) | black(ish) brown | red(dish) brown (if pale: orange brown)
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | white(ish) brown (beige)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | yellow(ish) brown
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid apical cells width [µm]: (min) 5.0
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | 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: ellipsoidal | fusiform
[asp] length [µm]: (min) 8.8 (low) 11.1(median) 11.3 (high) 11.4 (max) 14.7
[asp] width [µm]: (min) 2.9 (low) 2.9(median) 3.1 (high) 3.4 (max) 3.7
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
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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