LIAS light – Item Descriptions
LIASlight ItemID: 2280
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | squamulose (squamulous) |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | granulose, granular |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 1.7 (max) 3.0 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | red(dish) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| ascospores: | (low) 4.0 (high) 8.0 |
| [asp] shape: | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform | fusiform |
| [asp] length [µm]: | (low) 14.0 (high) 18.0 (max) 26.0 |
| [asp] width [µm]: | (min) 4.5 (low) 6.0 (high) 10.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | fusiform |
| [co] length [µm]: | (low) 2.5 (high) 3.5 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |