LIAS light – Item Descriptions
LIASlight ItemID: 7676
Chaenotheca sphaerocephala Nádv.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | green(ish) grey |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – mazaedial |
| ascoma [mm]: | (min) 0.2 (low) 0.23(median) 0.29 (high) 0.34 (max) 0.4 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] shape: | globose, spherical |
| [asp] length [µm]: | (min) 3.4 (low) 3.8(median) 4.2 (high) 4.5 (max) 4.9 |
| [asp] width [µm]: | (min) 3.4 (low) 3.8(median) 4.2 (high) 4.5 (max) 4.9 |
| [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 | squamatic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |