LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 198

Arthonia anombrophila Coppins & P. James

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | white(ish)
[th upper surface]: epruinose
[th marginal and upper surface] specific structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.15 (high) 0.3
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine | dense
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | white(ish)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless | red(dish) yellow (orange, orange yellow)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.0
[ascm] paraphyses/-oid apical cells width [µm]: (min) 2.5
[ascm] epihymenium, epithecium: red(dish) brown (pale: orange brown)
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] shape: ovoid, ovate
[asp] length [µm]: (low) 12.0 (high) 14.0 (max) 16.0
[asp] width [µm]: (low) 4.0 (high) 5.0 (max) 6.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (min) 1.0(median) 3.0
[asp] pigmentation: medium brown, brownish
[asp] perispore, epispore: not apparent | thin, thinly halonate | ornamented, rough, warted, striate, cracked
conidiomata: absent | present
conidia: bacilliform, bacillar
[co] length [µm]: (low) 3.0 (high) 5.0
secondary metabolites: present
secondary metabolites: unknown/unidentified compound(s)
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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