LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4034

Opegrapha areniseda Nyl.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: soil, clay, humus, turf, detritus, dead leaves | wood – dead, living | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.15 (high) 0.3
ascoma: sessile, superficial
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: fissitunicate – bitunicate
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] shape: fusiform | acicular (needle-shaped)
[asp] length [µm]: (min) 14.0 (low) 20.0 (high) 30.0 (max) 40.0
[asp] width [µm]: (min) 4.0 (low) 5.0 (high) 6.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 3.0 (high) 5.0 (max) 8.0
[asp] pigmentation: hyaline, colourless
conidiomata: present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 3.0 (high) 5.0
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] 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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