LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 1849

Dermatocarpon arnoldianum Degel.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: rock – siliceous, siliciferous, acidic
life habit: lichenized (mutualistic with algal photobionts)
thallus: peltate, umbilicate
[th] upper surface: green(ish) | grey(ish) brown
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
[ascm] paraphyses/-oids: absent
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] length [µm]: (low) 13.0 (high) 15.0
[asp] width [µm]: (low) 4.5 (high) 6.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
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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