LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7310

Dermatocarpon leptophyllodes (Nyl.) Zahlbr.

Characters[*]:Character States[*]:
global occurrence: 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: squamulose (squamulous) | peltate, umbilicate
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th upper surface]: epruinose | pruinose
[th upper surface] pruina: scarce, sparse, fine
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 2.0 (high) 7.0
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th lower surface] specific structures: absent
[th] medulla amyloidity: absent
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.16 (high) 0.26
ascoma: immersed, innate
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[ascm, if apoth] margin excipular photobionts: absent
[ascm] paraphyses/-oids: absent
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: fissitunicate – verrucarialean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 12.0 (low) 15.0 (high) 22.0
[asp] width [µm]: (low) 5.0 (high) 7.5 (max) 8.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: ellipsoidal
[co] length [µm]: (low) 4.0 (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.


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