LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 281

Arthonia punctiformis Ach.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico)
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: saprobic (on decaying organic substrate)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 0.4
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent | present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 13.0 (high) 23.0 (max) 26.0
[asp] width [µm]: (low) 4.0 (high) 6.0 (max) 8.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0 (max) 5.0
secondary metabolites: absent
primary photobiont: absent

[*] 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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