LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6457

Usnea articulata (L.) Hoffm.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – South and Central America | Eurasia – Asia Tropical
substrate: soil, clay, humus, turf, detritus, dead leaves | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: fruticose (fruticous), shrub-like, beard-like
thallus: continuous, diffuse, effuse
[th] upper surface: green(ish) | yellow(ish) (if dull: buff) | green(ish) grey | grey(ish) green | yellow(ish) green | green(ish) yellow
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (min) 0.4 (low) 1.0 (high) 2.0 (max) 4.0
[th] morphol substructures (eg areoles, squamules): distantly discontiguous
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verrucose, warted | pseudocyphellate, with pseudocyphellae
[th] morphol substructures (eg lobes, branches): irregular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
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)
secondary metabolites: present
secondary metabolites: conprotocetraric acid | fumarprotocetraric acid | protocetraric acid | succinprotocetraric acid | usnic 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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