LIAS light – Item Descriptions
LIASlight ItemID: 13790
Chaenothecopsis tibellii Titov
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical |
| substrate: | wood – dead, living |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.1 (low) 0.12 (high) 0.28 (max) 0.3 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | green(ish) |
| [ascm] epihymenium, epithecium: | hyaline, colourless |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | narrowly ellipsoidal |
| [asp] length [µm]: | (min) 8.0 (low) 9.4 (high) 10.7 (max) 12.0 |
| [asp] width [µm]: | (min) 2.4 (low) 2.7 (high) 2.8 (max) 3.2 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | pale brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |