LIAS light – Item Descriptions
LIASlight ItemID: 7607
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | lichens, lichenized fungi | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens) |
| thallus: | squamulose (squamulous) |
| [th] upper surface: | black(ish) brown | white(ish) brown (beige) |
| [th upper surface]: | epruinose |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (median) 2.0 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| [th] lower surface: | white(ish) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| [ascm, if apoth] disc, mazaedium: | concave |
| [ascm, if apoth] disc, mazaedium: | brown(ish) red (carneous) |
| [ascm, if apoth] margin excipular photobionts: | absent | present | sparse | abundant |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 2.0 |
| [ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 100.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 3.0 (high) 6.0 |
| [asp] width [µm]: | (low) 1.0 (high) 2.2 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | broadly ellipsoidal | ellipsoidal | bacilliform, bacillar |
| [co] length [µm]: | (low) 3.2 (high) 4.1 |
| secondary metabolites: | absent |
| host organism: | |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |