![LiasLight](/Pictures/LiasLight_small.gif)
LIAS light – Item Descriptions
LIASlight ItemID: 5617
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | grey(ish) brown |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 0.8 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.4 (high) 0.45 (max) 0.8 |
ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black |
[ascm, if apoth] disc, mazaedium: | epruinose |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | grey(ish) brown |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 3.0 |
[ascm] paraphyses/-oid apical cells width [µm]: | (low) 4.5 (high) 5.0 |
[ascm] epihymenium, epithecium: | red(dish) brown (pale: orange brown) |
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 |
[asp] length [µm]: | (min) 18.5 (low) 21.0 (high) 22.0 (max) 31.0 |
[asp] width [µm]: | (min) 8.5 (low) 11.0 (high) 12.0 (max) 17.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | pale brown | medium brown, brownish | dark brown |
[asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 3.0 (high) 4.0 |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |