
LIAS light – Item Descriptions
LIASlight ItemID: 1730
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
substrate: | rock – calcareous, calciferous, basic |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | foliose (foliaceous), leaf-like |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.5 |
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] shape: | fusiform |
[asp] length [µm]: | (min) 20.0 (low) 26.0 (high) 43.0 (max) 60.0 |
[asp] width [µm]: | (low) 4.5 (high) 6.5 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 3.0 |
[asp] pigmentation: | hyaline, colourless |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | cyanobacterial |