LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 5214

Pyrenula nitida (Weigel) Ach.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – South and Central America
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose
[th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green) | green(ish) brown (olive brown) | yellow(ish) brown
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | pseudocyphellate, with pseudocyphellae
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.6 (high) 0.8 (max) 1.5
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: present
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 15.0 (low) 19.0 (high) 24.0 (max) 26.0
[asp] width [µm]: (low) 6.0 (high) 8.0 (max) 11.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0
[asp] pigmentation: pale brown | medium brown, brownish | dark brown | greyish brown
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: [cur] – curved, unciform, falcate, sickle-shaped
[co] length [µm]: (low) 16.5 (high) 19.0
secondary metabolites: present
secondary metabolites: unknown/unidentified anthraquinone(s)
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] 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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