LIAS light – Item Descriptions
LIASlight ItemID: 6659
Verrucaria aethiobola Wahlenb.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Antarctic – Antarctica | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
| substrate: | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black | brown(ish) grey | black(ish) brown | grey(ish) brown | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (median) 0.4 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | cracked, fissured, fractured, rimulose, subrimose |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.12 (high) 0.36 (max) 0.5 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 14.0 (low) 18.0(median) 19.8 (high) 22.0 (max) 30.0 |
| [asp] width [µm]: | (min) 7.0 (low) 9.5(median) 10.6 (high) 11.5 (max) 15.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| [co] length [µm]: | (low) 4.0 (high) 8.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |