 
	    LIAS light – Item Descriptions
LIASlight ItemID: 1298
Chaenotheca chlorella (Ach.) Müll. Arg.
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | 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) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified | 
| thallus: | continuous, diffuse, effuse | granular, granulose, granulate | 
| [th] upper surface: | grey(ish) green | 
| [th upper surface]: | epruinose | 
| [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]: | (low) 0.16 (high) 0.23 | 
| ascoma: | pedicellate, stipitate, pedunculate, stalked | 
| [ascm, if apoth] disc, mazaedium: | epruinose | 
| asci: | prototunicate | 
| [asc] tholus: | not thickened | 
| [asc] tholus amyloidity (iodine reaction): | absent | 
| [asp] shape: | ellipsoidal | 
| [asp] length [µm]: | (min) 4.3 (low) 5.0 (high) 7.5 (max) 7.7 | 
| [asp] width [µm]: | (min) 2.2 (low) 2.5 (high) 3.5 (max) 4.4 | 
| [asp] septa: | absent – spore lumen unilocular, monolocular | 
| [asp] pigmentation: | pale brown | 
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked | 
| secondary metabolites: | present | 
| secondary metabolites: | vulpinic acid | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |