LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4373

Peltigera aphthosa (L.) Willd.

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
thallus: continuous, diffuse, effuse
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[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) 20.0 (high) 40.0 (max) 50.0
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane
[th] lower surface: brown(ish) black | black(ish) brown
[th lower surface] specific structures: absent | present
[th lower surface] rhizines, rhizoid structures: absent | present
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma: subpedicellate, substipitate, subpedunculate, substalked | pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: concave
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
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] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 4.0 (high) 8.0
[asp] pigmentation: hyaline, colourless | pale brown | medium brown, brownish
secondary metabolites: present
secondary metabolites: phlebic acid A (28-acetoxy-22-hydroxyhopane-23-oic acid) | phlebic acid B (22-hydroxyhopane-23-oic acid) | zeorin (hopane-6α,22-diol)
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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