LIAS light – Item Descriptions
LIASlight ItemID: 3562
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | subfruticose (subfruticous), fruticulose, dactyliform |
| thallus: | continuous, diffuse, effuse | compartimentized – areolate, squamulate |
| [th] upper surface: | black(ish) | green(ish) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.04 (high) 0.18 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th] morphol substructures (eg lobes, branches): | irregular |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.3 |
| [ascm, if apoth] disc, mazaedium: | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (low) 24.0 (high) 48.0 |
| [asp] shape: | globose, spherical | subglobose, subspherical | broadly ellipsoidal | ellipsoidal |
| [asp] length [µm]: | (low) 5.5 (high) 7.5 |
| [asp] width [µm]: | (median) 2.5 (max) 4.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| conidiomata: | absent | present |
| conidia: | fusiform | cylindrical |
| [co] length [µm]: | (low) 2.5 (high) 3.5 |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |