LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 4400

Peltigera nana Vain.

Characters[*]:Character States[*]:
global occurrence: Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical
substrate: soil, clay, humus, turf, detritus, dead leaves | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) brown (olive brown) | red(dish) brown (if pale: orange brown)
[th upper surface]: epruinose | pruinose
[th marginal and upper surface] specific structures: absent
[th] lower surface: black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow)
[th lower surface] specific structures: present
[th lower surface] rhizines, rhizoid structures: present
[th lower surface] rhizines, rhizinoid structures: unbranched, simple | fasciculate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (median) 4.0
ascoma: subpedicellate, substipitate, subpedunculate, substalked | pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: convex
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[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)
ascospores: (median) 8.0
[asp] shape: fusiform | acicular (needle-shaped)
[asp] length [µm]: (low) 62.0 (high) 82.0
[asp] width [µm]: (low) 5.0 (high) 6.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (median) 3.0 (max) 5.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: 15α-acetoxyhopane-22-ol (dolichorrhizin) | 7β-acetoxyhopane-22-ol (peltidactylin) | gyrophoric acid | methyl gyrophorate | tenuiorin | zeorin (hopane-6α,22-diol) | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s)
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: cyanobacterial

[*] 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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