LIAS light – Item Descriptions
LIASlight ItemID: 6960
Xanthoria elegans (Link) Th. Fr.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Antarctic – Antarctica | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Eurasia – Asia Tropical | Arctic | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bark, cork, plant surface – trunks, branches, twigs | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | placodioid-crustose, placodioid-foliose | foliose (foliaceous), leaf-like |
| [th] upper surface: | red(dish) | red(dish) yellow (orange, orange yellow) | yellow(ish) red (orange red) |
| [th upper surface]: | epruinose | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.4(median) 0.8 (high) 1.3 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th] lower surface: | 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) 0.9(median) 1.7 (high) 3.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex | subconcave, slightly concave |
| [ascm, if apoth] disc, mazaedium: | red(dish) yellow (orange, orange yellow) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | red(dish) yellow (orange, orange yellow) |
| [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]: | (low) 2.0 (high) 2.5 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 5.0 (high) 6.0 |
| 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) 11.0 (low) 11.8(median) 13.4 (high) 15.8 (max) 17.5 |
| [asp] width [µm]: | (min) 5.5 (low) 6.0(median) 7.0 (high) 7.8 (max) 8.5 |
| [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) 2.6(median) 2.9 (high) 3.2 (max) 3.5 |
| 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 |