LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 358

Arthrorhaphis citrinella (Ach.) Poelt

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Antarctic – Antarctica | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | lichens, lichenized fungi | rock – siliceous, siliciferous, acidic
life habit: lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: compartimentized – areolate, squamulate
[th] upper surface: green(ish) | yellow(ish) (if dull: buff) | yellow(ish) green
[th marginal and upper surface] specific structures: present
[th margin] cilia, cilioid structures: absent
[th upper surface] isidia, isidioid structures: absent
[th upper surface] soredia, soralia, soralioid structures: present
[th] morphol substructures (eg areoles, lobes, branches) upper surface: bullate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.2 (high) 0.6 (max) 1.0
[ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (low) 1.5 (high) 2.5
[ascm] epihymenium, epithecium: green(ish)
asci: fissitunicate – bitunicate
[asc] tholus: not thickened | thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 8.0
[asp] shape: fusiform | acicular (needle-shaped)
[asp] length [µm]: (min) 36.0 (low) 47.0 (high) 80.0 (max) 100.0
[asp] width [µm]: (min) 2.0 (low) 3.0 (high) 5.5 (max) 6.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (min) 6.0 (low) 8.0 (high) 13.0 (max) 15.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: epanorin | rhizocarpic acid
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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