LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 15103

Dermatocarpon tomentulosum Amtoft

Characters[*]:Character States[*]:
global occurrence: Americas – North America (incl Mexico)
substrate: rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: peltate, umbilicate | foliose (foliaceous), leaf-like
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) brown (olive brown)
[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) 7.5 (high) 45.0
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] lower surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th lower surface] specific structures: absent | present
[th lower surface] rhizines, rhizoid structures: absent
ascomata: absent | present
ascoma: perithecial, perithecioid – hymenial
ascoma [mm]: (low) 0.2 (high) 0.22
ascoma: immersed, innate
[ascm] paraphyses/-oids: absent
ascospores: (median) 8.0
[asp] length [µm]: (min) 8.8 (low) 11.0 (high) 13.2
[asp] width [µm]: (low) 4.4 (high) 5.5 (max) 6.6
[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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