LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 5165

Pycnothelia papillaria (Ehrh.) Dufour

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic
substrate: soil, clay, humus, turf, detritus, dead leaves | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified | subfruticose (subfruticous), fruticulose, dactyliform | fruticose (fruticous), shrub-like, beard-like
thallus: granular, granulose, granulate
[th] upper surface: grey(ish) | white(ish) | green(ish) grey | grey(ish) white | yellow(ish) white (ivory, off-white, cream-coloured)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.5 (high) 1.5 (max) 2.0
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | uneven, undulate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (low) 0.3 (high) 0.5
ascoma: sessile, superficial
[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: elongate-fusiform, ellipsoidal-fusiform
[asp] length [µm]: (low) 9.0 (high) 15.0
[asp] width [µm]: (low) 2.0 (high) 3.5
[asp] septa: absent – spore lumen unilocular, monolocular | present
[asp] septa: transversely septate
[asp] transversal septa: (low) 1.0 (high) 3.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: fusiform | [cur] – curved, unciform, falcate, sickle-shaped
[co] length [µm]: (low) 8.0 (high) 14.0
secondary metabolites: present
secondary metabolites: atranorin | chloroatranorin | lichesterinic acid | protolichesterinic acid | squamatic acid | unknown/unidentified compound(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.


© 2001–2019 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster