LIAS light – Item Descriptions
LIASlight ItemID: 1680
Collema crispum (Huds.) F. H. Wigg
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | foliose (foliaceous), leaf-like |
| [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]: | (low) 0.5 (high) 6.0 |
| 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) 22.0 (high) 36.0 |
| [asp] width [µm]: | (low) 11.0 (high) 16.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |