LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6407

Umbilicaria proboscidea (L.) Schrad.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: peltate, umbilicate
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) black | brown(ish) black
[th upper surface]: pruinose
[th upper surface] pruina: scarce, sparse, fine | dense
[th marginal and upper surface] specific structures: absent | present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 20.0 (high) 40.0 (max) 60.0
[th] morphol substructures (eg areoles, squamules): distantly discontiguous
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) grey
[th lower surface] specific structures: absent | present
[th lower surface] rhizines, rhizoid structures: absent | present
[th lower surface] rhizines, rhizinoid structures: unbranched, simple | irregularly branched, irregular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 1.5
ascoma: sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.7
[ascm] epihymenium, epithecium: black(ish) | brown(ish) black
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc)
ascospores: (median) 8.0
[asp] shape: ellipsoidal | elongate-fusiform, ellipsoidal-fusiform
[asp] length [µm]: (low) 10.0 (high) 17.0
[asp] width [µm]: (low) 3.5 (high) 7.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: cylindrical
[co] length [µm]: (low) 2.4 (high) 4.0
secondary metabolites: present
secondary metabolites: gyrophoric acid | norstictic 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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