LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 12501

Cladonia obscurata Ahti

Characters[*]:Character States[*]:
global occurrence: Americas – South and Central America
substrate: rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: fruticose (fruticous), shrub-like, beard-like
[th] upper surface: brown(ish) grey | white(ish) grey
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.1 (high) 0.3 (max) 0.7
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verruculose, minutely warted
[th] morphol substructures (eg lobes, branches): anisotomic-dichotomous
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma: pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[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: absent – spore lumen unilocular, monolocular
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
conidiomata: absent | present
conidia: falcate
[co] length [µm]: (low) 9.0 (high) 12.0
secondary metabolites: present
secondary metabolites: 4-O-demethylbarbatic acid | barbatic acid | decarboxythamnolic acid | thamnolic 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.


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