LIAS light – Item Descriptions
LIASlight ItemID: 9547
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
substrate: | rock – siliceous, siliciferous, acidic |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) white (ivory, off-white, cream-coloured) |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.2 (high) 0.25 |
ascoma: | immersed, innate |
[ascm, if apoth] disc, mazaedium: | concave |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.0 |
[ascm] epihymenium, epithecium: | hyaline, colourless |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (min) 13.0 (low) 15.0 (high) 17.0 (max) 18.0 |
[asp] width [µm]: | (low) 7.0 (high) 8.0 (max) 8.5 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | atranorin |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |