LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 9340

Verrucaria striatula Wahlenb.

Characters[*]:Character States[*]:
global occurrence: Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico)
substrate: rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse | cracked, fissured, fractured, rimose
[th] upper surface: black(ish) | green(ish) | green(ish) black
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled | pseudocyphellate, with pseudocyphellae
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (min) 0.18 (low) 0.2 (high) 0.3 (max) 0.36
ascoma: subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: absent | present
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: subglobose, subspherical | ellipsoidal | ovoid, ovate
[asp] length [µm]: (min) 7.0 (low) 8.0 (high) 11.0 (max) 12.0
[asp] width [µm]: (min) 4.0 (low) 5.0 (high) 6.0 (max) 7.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
[co] length [µm]: (low) 2.9 (high) 4.1
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.


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