LIAS light – Item Descriptions
LIASlight ItemID: 15161
Myrionora pseudocyphellariae (Etayo) S. Ekman & Palice
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – South and Central America |
| substrate: | lichens, lichenized fungi | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | green(ish) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.07 (low) 0.1(median) 0.11 (high) 0.13 (max) 0.21 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | subconvex, slightly convex | convex | distinctly convex |
| [ascm, if apoth] disc, mazaedium: | yellow(ish) white (ivory, off-white, cream-coloured) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) white (ivory, off-white, cream-coloured) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (min) 1.6 (low) 1.7(median) 1.8 (high) 1.9 (max) 2.3 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (min) 1.6 (low) 1.8(median) 2.0 (high) 2.3 (max) 2.7 |
| [ascm] epihymenium, epithecium: | hyaline, colourless |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (low) 12.0 (high) 24.0 |
| [asp] shape: | broadly ellipsoidal | ovoid, ovate |
| [asp] length [µm]: | (min) 3.5 (low) 4.0(median) 4.5 (high) 4.8 (max) 5.2 |
| [asp] width [µm]: | (min) 2.4 (low) 2.7(median) 2.9 (high) 3.4 (max) 4.1 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | lobaric acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |