LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 6235

Toninia physaroides (Opiz) Zahlbr.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous)
[th] upper surface: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) grey | grey(ish) green
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: pseudocyphellate, with pseudocyphellae
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 5.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: grey(ish) | grey(ish) brown
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc)
ascospores: (median) 8.0
[asp] shape: elongate-fusiform, ellipsoidal-fusiform | filiform, vermiform
[asp] length [µm]: (low) 11.5 (high) 18.5
[asp] width [µm]: (low) 3.5 (high) 5.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: absent | present
secondary metabolites: unknown/unidentified fatty acid(s)
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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