 
	    LIAS light – Item Descriptions
LIASlight ItemID: 4133
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Americas – North America (incl Mexico) | 
| substrate: | bark, cork, plant surface – trunks, branches, twigs | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | squamulose (squamulous) | foliose (foliaceous), leaf-like | 
| [th] upper surface: | brown(ish) grey | 
| [th marginal and upper surface] specific structures: | absent | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| ascoma [mm]: | (min) 2.0 | 
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | 
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) grey | 
| [ascm] paraphyses/-oids: | present | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | absent | 
| ascospores: | (median) 8.0 | 
| [asp] shape: | ovoid, ovate | 
| [asp] length [µm]: | (low) 9.0 (high) 12.0 | 
| [asp] width [µm]: | (low) 8.0 (high) 11.0 | 
| [asp] septa: | absent – spore lumen unilocular, monolocular | 
| [asp] pigmentation: | hyaline, colourless | 
| secondary metabolites: | absent | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | cyanobacterial |