LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4761

Pilophorus dovrensis (Nyl.) Timdal, Hertel & Rambold

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: rock – siliceous, siliciferous, acidic
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: granular, granulose, granulate | compartimentized – areolate, squamulate
[th] upper surface: white(ish) | yellow(ish) white (ivory, off-white, cream-coloured)
[th upper surface]: epruinose
[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: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.5 (max) 0.7
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
[th] medulla amyloidity: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.5 (high) 0.7 (max) 1.2
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: convex | distinctly convex | strongly convex, hemispherical, (sub-)globose
[ascm, if apoth] disc, mazaedium: black(ish)
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
[ascm, if apoth] disc, mazaedium pruina: scarce, sparse, fine
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish)
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 2.0 (max) 4.0
[ascm] epihymenium, epithecium: green(ish) black | black(ish) blue | black(ish) green
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)
ascospores: (median) 8.0
[asp] shape: ellipsoidal
[asp] length [µm]: (min) 14.0 (low) 18.3(median) 20.9 (high) 22.6 (max) 30.0
[asp] width [µm]: (min) 5.0 (low) 6.0(median) 7.1 (high) 8.5 (max) 9.5
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: isousnic acid
primary photobiont: present
secondary photobionts (eg in cephalodia): absent | present
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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