LIAS light – Item Descriptions
LIASlight ItemID: 156
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | peltate, umbilicate |
| [th] upper surface: | black(ish) |
| [th marginal and upper surface] specific structures: | absent | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | present |
| [th upper surface] soredia, soralia, soralioid structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 4.0 (max) 8.0 |
| [asp] shape: | globose, spherical | subglobose, subspherical | broadly ellipsoidal |
| [asp] length [µm]: | (low) 8.0 (high) 11.0 |
| [asp] width [µm]: | (low) 8.0 (high) 11.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |