LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4803

Placynthiella uliginosa (Schrad.) Coppins & P. James

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Eurasia – Asia Tropical | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: granular, granulose, granulate
[th] upper surface: green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.025 (high) 0.1
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 0.3 (max) 0.4
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | convex
[ascm, if apoth] disc, mazaedium: black(ish) brown | red(dish) brown (if pale: orange brown)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): absent | present
[asc] tholus amyloidity pattern: with amyloid tube and flanks (= Rimularia-, Trapelia-types etc)
ascospores: (median) 8.0
[asp] length [µm]: (low) 9.0 (high) 14.0 (max) 16.5
[asp] width [µm]: (min) 4.0 (low) 5.0 (high) 6.0 (max) 7.0
[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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