LIAS light – Item Descriptions
LIASlight ItemID: 8909
Knightiella splachnirima (Hook. f. & Taylor) Gyeln.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | wood – dead, living |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) | foliose (foliaceous), leaf-like |
| [th] upper surface: | grey(ish) | green(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) grey | yellow(ish) brown | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 0.5 (low) 1.0 (high) 2.5 (max) 5.0 |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.3 (low) 1.0 (high) 3.0 (max) 5.0 |
| ascoma: | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) red (rose) | yellow(ish) white (ivory, off-white, cream-coloured) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) brown | yellow(ish) white (ivory, off-white, cream-coloured) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (median) 2.0 |
| asci: | unitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal | ovoid, ovate |
| [asp] length [µm]: | (low) 12.0 (high) 17.5 (max) 20.5 |
| [asp] width [µm]: | (low) 3.0 (high) 6.0 (max) 7.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | 4-O-methylcryptochlorophaeic acid | decarboxythamnolic acid | thamnolic acid | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |