
LIAS light – Item Descriptions
LIASlight ItemID: 5106
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
substrate: | soil, clay, humus, turf, detritus, dead leaves | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | squamulose (squamulous) |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | yellow(ish) green | brown(ish) green (olivaceous, olive green) | brown(ish) yellow (ochraceous, ochre) |
[th upper surface]: | epruinose | pruinose |
[th upper surface] pruina: | scarce, sparse, fine |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 4.0 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | cracked, fissured, fractured, rimulose, subrimose |
[th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 2.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | distinctly convex | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine |
[ascm] paraphyses/-oids: | present |
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 |
[asp] length [µm]: | (low) 9.0 (high) 14.0 |
[asp] width [µm]: | (low) 5.0 (high) 7.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 5.0 (high) 7.0 |
secondary metabolites: | present |
secondary metabolites: | gyrophoric acid | usnic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |