LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 15115

Micarea subcinerea M. Brand & Van den Boom

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: compartimentized – areolate, squamulate
[th] upper surface: yellow(ish) grey | brown(ish) grey | white(ish) grey
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.4
[th] morphol substructures (eg areoles, lobes, branches) upper surface: verrucose, warted | bullate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.2 (high) 0.35 (max) 0.7
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: black(ish) | blue(ish) grey | white(ish) brown (beige)
[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: blue(ish) grey | brown(ish) grey
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 12.0 (high) 18.0
[asp] width [µm]: (low) 3.2 (high) 5.7
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (min) 5.0 (max) 100.0
secondary metabolites: present
secondary metabolites: gyrophoric 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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