LIAS light – Item Descriptions
LIASlight ItemID: 6
Absconditella sphagnorum Vězda & Poelt
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | bryophytes – mosses, liverworts | wood – dead, living |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| [th] upper surface: | grey(ish) black | grey(ish) green |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.1 (low) 0.2 (high) 0.4 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate |
| [ascm, if apoth] disc, mazaedium: | yellow(ish) (if dull: buff) | white(ish) | brown(ish) red (carneous) | yellow(ish) white (ivory, off-white, cream-coloured) | red(dish) white (pink) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 0.8 (high) 1.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (min) 2.5 |
| asci: | unitunicate |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 9.5 (low) 10.0 (high) 12.0 (max) 14.2 |
| [asp] width [µm]: | (low) 2.5 (high) 4.0 (max) 5.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent | present |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |