 
	    LIAS light – Item Descriptions
LIASlight ItemID: 4490
Pertusaria glomerata (Ach.) Schaer.
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic | 
| substrate: | soil, clay, humus, turf, detritus, dead leaves | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | crustose (crustaceous) – episubstratal – unspecified | 
| [th] upper surface: | grey(ish) | white(ish) yellow | yellow(ish) white (ivory, off-white, cream-coloured) | 
| [th marginal and upper surface] specific structures: | absent | 
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (median) 1.0 (max) 1.5 | 
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | 
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | 
| [ascm, if apoth] disc, mazaedium: | black(ish) | 
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | white(ish) yellow | yellow(ish) white (ivory, off-white, cream-coloured) | 
| [ascm] paraphyses/-oids: | present | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | present | 
| [asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) | 
| ascospores: | (median) 4.0 | 
| [asp] length [µm]: | (low) 50.0 (high) 170.0 | 
| [asp] width [µm]: | (low) 25.0 (high) 60.0 | 
| [asp] septa: | absent – spore lumen unilocular, monolocular | 
| [asp] pigmentation: | hyaline, colourless | 
| [asp] perispore, epispore: | not apparent | 
| secondary metabolites: | present | 
| secondary metabolites: | norstictic acid | stictic acid | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |