LIAS light – Item Descriptions
LIASlight ItemID: 8262
Chrysothrix xanthina (Vain.) Kalb
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | leprose, leprarioid, powdery, byssoid | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | yellow(ish) (if dull: buff) |
| [th marginal and upper surface] specific structures: | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | absent |
| [th upper surface] soredia, soralia, soralioid structures: | present |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.5 |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | red(dish) yellow (orange, orange yellow) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | hyaline, colourless |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal | oval |
| [asp] length [µm]: | (low) 9.0 (high) 14.0 |
| [asp] width [µm]: | (median) 3.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 2.0 (high) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | pinastric acid | pulvinic dilactone | vulpinic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |