LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 5857

Squamarina lentigera (Weber) Poelt

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | rock – calcareous, calciferous, basic
life habit: lichenized (mutualistic with algal photobionts)
thallus: squamulose (squamulous) | placodioid-crustose, placodioid-foliose
thallus: compartimentized – areolate, squamulate
[th] upper surface: white(ish) | green(ish) white
[th upper surface]: epruinose | pruinose
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.5 (high) 2.0 (max) 3.0
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 1.5 (max) 2.0
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow) | yellow(ish) brown
[ascm, if apoth] disc, mazaedium: pruinose
[ascm] paraphyses/-oids: present
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 8.0 (low) 9.0 (high) 12.0
[asp] width [µm]: (low) 4.0 (high) 5.0 (max) 6.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: isousnic acid | psoromic acid | usnic 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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