LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3762

Micarea stipitata Coppins & P. James

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: compartimentized – areolate, squamulate
[th] upper surface: green(ish) | grey(ish) green
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.04 (high) 0.1
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | uneven, undulate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.1 (high) 0.3
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: convex | distinctly convex | strongly convex, hemispherical, (sub-)globose
[ascm, if apoth] disc, mazaedium: white(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.0 (high) 1.5
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] shape: filiform, vermiform | [cur] – sigmoidal | acicular (needle-shaped)
[asp] length [µm]: (min) 14.0 (low) 21.0 (high) 34.0
[asp] width [µm]: (low) 2.0 (high) 2.5 (max) 3.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 3.0 (high) 7.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: ellipsoidal | bacilliform, bacillar
[co] length [µm]: (low) 6.0 (high) 8.0
secondary metabolites: absent
host organism:
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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