LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3000

Lecanora umbrina (Ach.) A. Massal.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Arctic
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: white(ish)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[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] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: absent
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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