LIAS light – Item Descriptions
LIASlight ItemID: 1310
Chaenotheca stemonea (Ach.) Müll. Arg.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | leprose, leprarioid, powdery, byssoid |
| [th] upper surface: | green(ish) | blue(ish) green (turquoise) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – mazaedial |
| ascoma [mm]: | (low) 0.2 (high) 0.3 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] shape: | globose, spherical |
| [asp] length [µm]: | (low) 3.5 (high) 5.0 |
| [asp] width [µm]: | (low) 3.5 (high) 5.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | pale brown |
| [asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | present |
| secondary metabolites: | barbatic acid | obtusatic acid | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |