LIAS light – Item Descriptions
LIASlight ItemID: 4002
Ochrolechia parella (L.) A. Massal.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Antarctic – Antarctica | Oceania – Australasia | Eurasia – Europe | Americas – South and Central America | Arctic | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | grey(ish) | white(ish) |
[th marginal and upper surface] specific structures: | absent |
[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 [mm]: | (low) 2.0 (high) 3.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | grey(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) red (orange red) |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | white(ish) |
[ascm, if apoth] margin excipular photobionts: | present |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 45.0 (high) 70.0 |
[asp] width [µm]: | (low) 25.0 (high) 38.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | gyrophoric acid | variolaric acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |