 
	    LIAS light – Item Descriptions
LIASlight ItemID: 1662
Collema auriforme (With.) Coppins & J. R. Laundon
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic | 
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | foliose (foliaceous), leaf-like | 
| [th] upper surface: | black(ish) | brown(ish) green (olivaceous, olive green) | black(ish) brown | 
| [th marginal and upper surface] specific structures: | present | 
| [th upper surface] isidia, isidioid structures: | present | 
| [th upper surface] soredia, soralia, soralioid structures: | absent | 
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 8.0 | 
| ascomata: | absent | present | 
| ascoma: | apothecial, apothecioid – hymenial | 
| asci: | lecanoralean | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | present | 
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) | 
| [asp] length [µm]: | (low) 26.0 (high) 36.0 | 
| [asp] width [µm]: | (low) 8.5 (high) 13.0 | 
| [asp] septa: | present | 
| [asp] septa: | transversely septate | muriformly septate – muriform, submuriform | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | cyanobacterial |