 
	    LIAS light – Item Descriptions
LIASlight ItemID: 11779
Cliostomum praepallidum (Müll. Arg.) Kantvilas & Fryday
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Oceania – Australasia | Americas – South and Central America | 
| substrate: | 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 | 
| [th] upper surface: | grey(ish) | yellow(ish) grey | 
| [th marginal and upper surface] specific structures: | absent | 
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| ascoma [mm]: | (low) 0.3 (high) 1.0 | 
| ascoma: | sessile, superficial | 
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex | 
| [ascm, if apoth] disc, mazaedium: | red(dish) yellow (orange, orange yellow) | red(dish) white (pink) | 
| [ascm, if apoth] disc, mazaedium: | epruinose | 
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | red(dish) yellow (orange, orange yellow) | red(dish) white (pink) | 
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | hyaline, colourless | 
| [ascm] paraphyses/-oids: | present | 
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.5 | 
| [ascm] paraphyses/-oid apical cells width [µm]: | (median) 2.0 (max) 5.0 | 
| [ascm] epihymenium, epithecium: | hyaline, colourless | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | present | 
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) | 
| ascospores: | (median) 8.0 | 
| [asp] shape: | ellipsoidal | 
| [asp] length [µm]: | (min) 11.0 (low) 12.0 (high) 14.3 (max) 18.0 | 
| [asp] width [µm]: | (min) 5.0 (low) 6.0 (high) 7.3 (max) 9.0 | 
| [asp] septa: | present | absent | present – spore lumen bilocular, polarilocular, plurilocular | 
| [asp] septa: | transversely septate | 
| [asp] transversal septa: | (median) 1.0 | 
| [asp] pigmentation: | hyaline, colourless | 
| [asp] perispore, epispore: | not apparent | 
| secondary metabolites: | present | 
| secondary metabolites: | atranorin | norcaperatic acid | roccellic acid | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |