LIAS light – Item Descriptions
LIASlight ItemID: 2230
Gyalidea hyalinescens (Nyl.) Vězda
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
| [th] upper surface: | grey(ish) | green(ish) brown (olive brown) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.8 (high) 1.2 |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | brown(ish) red (carneous) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) brown | brown(ish) red (carneous) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (median) 1.0 |
| asci: | unitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | cylindrical |
| [asp] length [µm]: | (min) 12.0 (low) 16.0 (high) 20.0 (max) 24.0 |
| [asp] width [µm]: | (low) 5.0 (high) 6.0 (max) 7.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | thick, distincly halonate |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |