LIAS light – Item Descriptions
LIASlight ItemID: 7940
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bryophytes – mosses, liverworts | 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: | grey(ish) green |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.28 (high) 0.37 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium | |
| [ascm, if apoth] disc, mazaedium | |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | white(ish) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 24.0 (high) 28.0 |
| [asp] width [µm]: | (low) 11.0 (high) 13.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |