LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 7675

Chaenotheca hygrophila Tibell

Characters[*]:Character States[*]:
global occurrence: Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico)
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: granular, granulose, granulate
[th] upper surface: green(ish) grey
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular
ascomata: absent | present
ascoma: apothecial, apothecioid – mazaedial
ascoma [mm]: (min) 0.2 (low) 0.3 (high) 0.5 (max) 0.64
ascoma: pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: white(ish)
[ascm, if apoth] disc, mazaedium: epruinose | pruinose
asci: prototunicate
[asc] tholus: not thickened
[asc] tholus amyloidity (iodine reaction): absent
[asp] shape: globose, spherical
[asp] length [µm]: (min) 2.7 (low) 4.2(median) 4.7 (high) 5.2 (max) 5.9
[asp] width [µm]: (min) 2.7 (low) 4.2(median) 4.7 (high) 5.2 (max) 5.9
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: pale brown
[asp] perispore, epispore: not apparent | ornamented, rough, warted, striate, cracked
secondary metabolites: present
secondary metabolites: barbatic acid | obtusatic acid
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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