 
	    LIAS light – Item Descriptions
LIASlight ItemID: 11436
Bulbothrix semilunata (Lynge) Hale
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Americas – South and Central America | 
| substrate: | bark, cork, plant surface – trunks, branches, twigs | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | foliose (foliaceous), leaf-like | 
| thallus: | continuous, diffuse, effuse | 
| [th] upper surface: | white(ish) grey | 
| [th upper surface]: | epruinose | 
| [th marginal and upper surface] specific structures: | present | 
| [th margin] cilia, cilioid structures: | present | 
| [th upper surface] isidia, isidioid structures: | absent | 
| [th upper surface] soredia, soralia, soralioid structures: | absent | 
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.2 (high) 0.3 | 
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | 
| [th] lower surface: | black(ish) | 
| [th lower surface] specific structures: | present | 
| [th lower surface] rhizines, rhizoid structures: | present | 
| [th lower surface] rhizines, rhizinoid structures: | branched – unspecified | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| ascoma [mm]: | (median) 1.0 | 
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | 
| [ascm] paraphyses/-oids: | present | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | present | 
| [asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) | 
| ascospores: | (median) 8.0 | 
| [asp] shape: | lunate | 
| [asp] length [µm]: | (low) 9.0 (high) 12.0 | 
| [asp] width [µm]: | (low) 2.0 (high) 3.0 | 
| [asp] septa: | absent – spore lumen unilocular, monolocular | 
| [asp] pigmentation: | hyaline, colourless | 
| [asp] perispore, epispore: | not apparent | 
| secondary metabolites: | present | 
| secondary metabolites: | atranorin | chloroatranorin | skyrin (rhodophyscin) | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |