LIAS light – Item Descriptions
LIASlight ItemID: 2855
Lecanora novomexicana H. Magn.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | placodioid-crustose, placodioid-foliose |
| thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | yellow(ish) (if dull: buff) | yellow(ish) green | grey(ish) yellow | green(ish) yellow | yellow(ish) brown |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.0 |
| [th] morphol substructures (eg areoles, squamules): | discontiguous, dispersed (towards thallus periphery) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | subsquamulose |
| [th] morphol substructures (eg lobes, branches): | subdichotomous |
| [th] lower surface: | black(ish) | grey(ish) | grey(ish) yellow | yellow(ish) brown |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.6 (high) 1.5 (max) 4.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | blue(ish) | red(dish) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) (if dull: buff) | yellow(ish) green | grey(ish) yellow | green(ish) yellow | yellow(ish) brown |
| [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]: | (low) 1.5 (high) 3.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 3.0 (high) 5.0 |
| [ascm] epihymenium, epithecium: | green(ish) | blue(ish) green (turquoise) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | broadly ellipsoidal | ellipsoidal | oval |
| [asp] length [µm]: | (low) 8.0 (high) 10.5 |
| [asp] width [µm]: | (low) 5.5 (high) 7.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | [cur] – curved, unciform, falcate, sickle-shaped |
| [co] length [µm]: | (min) 20.0 (low) 25.0 (high) 35.0 |
| secondary metabolites: | present |
| secondary metabolites: | lecanoric acid | psoromic acid | usnic acid | conpsoromic acid | hypopsoromic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |