LIAS light – Item Descriptions
LIASlight ItemID: 8222
Letrouitia domingensis (Pers.) Hafellner & Bellem.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | yellow(ish) (if dull: buff) | green(ish) yellow | red(dish) yellow (orange, orange yellow) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 2.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black | red(dish) brown (if pale: orange brown) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) red (orange red) |
| [ascm, if apoth] margin excipular photobionts: | present |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) brown | hyaline brown |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| ascospores: | (low) 6.0 (high) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 25.0 (high) 48.0 |
| [asp] width [µm]: | (low) 8.0 (high) 16.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 5.0 (high) 9.0 |
| [asp] pigmentation: | hyaline, colourless |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [co] length [µm]: | (median) 3.0 |
| secondary metabolites: | present |
| secondary metabolites: | emodin | fragilin | parietin |
| primary photobiont: | present |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |