LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 1120

Candelariella canadensis H. Magn.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | granular, granulose, granulate
[th] upper surface: yellow(ish) (if dull: buff)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.2 (high) 0.4
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 1.2 (max) 1.8
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose
[ascm, if apoth] disc, mazaedium: green(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: yellow(ish) (if dull: buff)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 3.5
[ascm] paraphyses/-oid apical cells width [µm]: (min) 5.0
[ascm] epihymenium, epithecium: yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow)
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: ellipsoidal
[asp] length [µm]: (min) 9.0 (low) 11.0 (high) 15.5 (max) 17.0
[asp] width [µm]: (min) 4.5 (low) 5.0 (high) 6.5 (max) 7.0
[asp] septa: absent – spore lumen unilocular, monolocular | present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: pulvinic acid derivatives
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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