LiasLight

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

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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