LIAS light – Item Descriptions
LIASlight ItemID: 14094
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | peltate, umbilicate |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | black(ish) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.07 (high) 0.2 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th lower surface] specific structures: | present |
| [th lower surface] rhizines, rhizoid structures: | present |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.3 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | concave |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 2.5 |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (low) 11.0 (high) 15.0 |
| [asp] width [µm]: | (low) 7.5 (high) 9.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | thin, thinly halonate | thick, distincly halonate |
| conidiomata: | absent | present |
| conidia: | cylindrical |
| [co] length [µm]: | (low) 1.5 (high) 2.5 (max) 3.5 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |