LIAS light – Item Descriptions
LIASlight ItemID: 7343
Lasallia papulosa (Ach.) Llano
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | peltate, umbilicate |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) grey | red(dish) brown (if pale: orange brown) |
| [th upper surface]: | epruinose | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine | dense |
| [th marginal and upper surface] specific structures: | absent | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | absent |
| [th upper surface] soredia, soralia, soralioid structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 20.0 (high) 90.0 (max) 200.0 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verruculose, minutely warted | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| [th] lower surface: | black(ish) | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th lower surface] specific structures: | absent | present |
| [th lower surface] rhizines, rhizoid structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 1.0 (high) 2.5 |
| ascoma: | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | entirely amyloid (= Catillaria-, Teloschistes-types etc) |
| ascospores: | (median) 1.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 55.0 (high) 100.0 |
| [asp] width [µm]: | (low) 30.0 (high) 44.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | gyrophoric acid | unknown/unidentified anthraquinone(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |