LIAS light – Item Descriptions
LIASlight ItemID: 5096
Psora icterica (Mont.) Müll. Arg.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | soil, clay, humus, turf, detritus, dead leaves |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | green(ish) yellow | yellow(ish) brown |
| [th upper surface]: | epruinose | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine | dense |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 5.0 |
| [th] lower surface: | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 1.5 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 14.0 (high) 18.0 |
| [asp] width [µm]: | (low) 6.0 (high) 8.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | cylindrical |
| [co] length [µm]: | (low) 7.0 (high) 8.0 |
| secondary metabolites: | present |
| secondary metabolites: | rhizocarpic acid | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |