
LIAS light – Item Descriptions
LIASlight ItemID: 2821
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – North America (incl Mexico) | Arctic |
substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | squamulose (squamulous) | subfruticose (subfruticous), fruticulose, dactyliform |
thallus: | compartimentized – areolate, squamulate |
[th] upper surface: | black(ish) | yellow(ish) green | white(ish) green | green(ish) yellow | white(ish) red (rose) |
[th upper surface]: | epruinose | pruinose |
[th upper surface] pruina: | scarce, sparse, fine | dense |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 1.5 (high) 2.0 |
[th] morphol substructures (eg areoles, squamules): | distantly discontiguous |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | subsquamulose | squamulose |
[th lower surface] specific structures: | absent | present |
[th lower surface] rhizines, rhizoid structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 3.0 (high) 4.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) | blue(ish) black | brown(ish) black | green(ish) grey | grey(ish) brown | yellow(ish) brown |
[ascm, if apoth] disc, mazaedium: | pruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | yellow(ish) green | white(ish) green | green(ish) yellow | white(ish) red (rose) | red(dish) white (pink) |
[ascm, if apoth] margin excipular photobionts: | present | abundant |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 2.5 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 2.5 (high) 3.0 |
[ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform | ovoid, ovate |
[asp] length [µm]: | (low) 11.0 (high) 15.0 (max) 19.0 |
[asp] width [µm]: | (low) 6.0 (high) 8.0 (max) 9.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | [cur] – curved, unciform, falcate, sickle-shaped |
[co] length [µm]: | (low) 11.0 (high) 17.0 (max) 20.0 |
secondary metabolites: | present |
secondary metabolites: | 16β-acetoxyhopane-6α,22-diol | 6α,16β-diacetoxyhopane-22-ol | 6α-acetoxyhopane-16β,22-diol | hopane-6α,16β,22-triol | isousnic acid | usnic acid | zeorin (hopane-6α,22-diol) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |