LIAS light – Item Descriptions
LIASlight ItemID: 5085
Psilolechia lucida (Ach.) M. Choisy
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Antarctic – Antarctica | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
substrate: | soil, clay, humus, turf, detritus, dead leaves | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | leprose, leprarioid, powdery, byssoid | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | granular, granulose, granulate | cracked, fissured, fractured, rimose |
[th] upper surface: | yellow(ish) (if dull: buff) | yellow(ish) green | green(ish) yellow |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.1 (high) 0.3 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular | verrucose, warted |
[th] medulla amyloidity: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.1 (high) 0.3 (max) 0.6 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | yellow(ish) (if dull: buff) | yellow(ish) green | red(dish) yellow (orange, orange yellow) |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] margin excipular photobionts: | absent |
[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) 1.8 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 1.5 (high) 2.0 |
[ascm] epihymenium, epithecium: | yellow(ish) (if dull: buff) |
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) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | oval |
[asp] length [µm]: | (low) 4.0 (high) 7.0 |
[asp] width [µm]: | (low) 1.5 (high) 2.0 (max) 2.5 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | gyrophoric acid | rhizocarpic acid | zeorin (hopane-6α,22-diol) | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |