LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6782

Verrucaria scabra Vězda

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: black(ish) | green(ish) | green(ish) black | black(ish) green | grey(ish) green
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verruculose, minutely warted | pseudocyphellate, with pseudocyphellae
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.65
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, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: absent
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal | oblong, oblong-obtuse
[asp] length [µm]: (min) 11.0 (low) 14.0(median) 15.7 (high) 17.5 (max) 21.5
[asp] width [µm]: (min) 7.0 (low) 7.5(median) 8.4 (high) 9.0 (max) 10.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
[co] length [µm]: (low) 3.5 (high) 5.0
secondary metabolites: absent
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.


© 2001–2022 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster