LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4677

Physcia albinea (Ach.) Nyl.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: placodioid-crustose, placodioid-foliose | foliose (foliaceous), leaf-like
[th] upper surface: grey(ish)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (median) 0.5
[th] morphol substructures (eg areoles, lobes, branches) upper surface: maculate
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish)
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 1.0 (high) 5.0
ascoma: sessile, superficial
[ascm] paraphyses/-oids: present
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] length [µm]: (min) 14.0 (low) 16.0 (high) 19.0 (max) 21.0
[asp] width [µm]: (min) 7.0 (low) 8.0 (high) 10.0 (max) 11.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 1.0
[asp] pigmentation: medium brown, brownish
conidiomata: absent | present
conidia: cylindrical
[co] length [µm]: (median) 5.0
secondary metabolites: present
secondary metabolites: atranorin
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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