LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 5916

Stereocaulon dactylophyllum Flörke

Characters[*]:Character States[*]:
global occurrence: Eurasia – Europe | Americas – North America (incl Mexico) | Arctic
substrate: rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: fruticose (fruticous), shrub-like, beard-like
[th] upper surface: grey(ish) | green(ish) white
[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]: (min) 0.3
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
[ascm, if apoth] disc, mazaedium: subconvex, slightly convex | convex
[ascm, if apoth] disc, mazaedium: brown(ish) black
[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] septa: present
[asp] septa: transversely septate
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: present
secondary metabolites: atranorin | norstictic acid | stictic 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.


© 2001–2017 by Botanische Staatssammlung M√ľnchen
Impressum · Disclaimer · Webmaster