LIAS light – Item Descriptions
LIASlight ItemID: 1745
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | peltate, umbilicate | foliose (foliaceous), leaf-like | subfruticose (subfruticous), fruticulose, dactyliform |
| [th] upper surface: | brown(ish) green (olivaceous, olive green) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 1.0 (high) 4.0 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | distantly discontiguous |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th] morphol substructures (eg lobes, branches): | irregular |
| [th] lower surface: | brown(ish) green (olivaceous, olive green) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.3 (high) 0.4 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | red(dish) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) green (olivaceous, olive green) |
| [ascm, if apoth] margin excipular photobionts: | present | abundant |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (median) 2.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.0 (high) 4.5 |
| [ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
| 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: | (min) 4.0(median) 8.0 |
| [asp] shape: | subglobose, subspherical | ellipsoidal | ovoid, ovate | narrowly ellipsoidal |
| [asp] length [µm]: | (min) 17.0 (low) 20.0 (high) 40.0 |
| [asp] width [µm]: | (min) 8.5 (low) 11.0 (high) 15.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (min) 1.0(median) 3.0 (max) 5.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |