LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6967

Xanthoria polycarpa (Hoffm.) Th. Fr. ex Rieber

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens)
thallus: foliose (foliaceous), leaf-like
thallus: continuous, diffuse, effuse
[th] upper surface: yellow(ish) (if dull: buff) | grey(ish) green | green(ish) yellow | red(dish) yellow (orange, orange yellow)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 0.05 (low) 0.2 (high) 0.7 (max) 2.0
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
[th] lower surface: green(ish) | white(ish)
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 1.0 (high) 1.9 (max) 4.5
ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked
[ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: red(dish) yellow (orange, orange yellow)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish)
[ascm, if apoth] margin excipular photobionts: present
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.5
[ascm] paraphyses/-oid apical cells width [µm]: (low) 5.0 (high) 8.0
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc)
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 10.0 (low) 11.3(median) 13.0 (high) 15.0 (max) 16.5
[asp] width [µm]: (min) 4.0 (low) 5.4(median) 6.7 (high) 7.9 (max) 9.0
[asp] septa: absent | present – spore lumen bilocular, polarilocular, plurilocular
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: ellipsoidal
[co] length [µm]: (min) 2.0 (low) 2.2(median) 2.5 (high) 2.9 (max) 3.0
secondary metabolites: present
secondary metabolites: emodin | fallacinal | parietin | parietinic acid | teloschistin
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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