LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 1311

Chaenotheca subroscida (Eitner) Zahlbr.

Characters[*]:Character States[*]:
global occurrence: 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) – episubstratal – unspecified | squamulose (squamulous)
thallus: granular, granulose, granulate
[th] upper surface: grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon)
[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 | present
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 0.05 (high) 0.1
[th] morphol substructures (eg areoles, lobes, branches) upper surface: granulose, granular | verrucose, warted
ascomata: absent | present
ascoma: apothecial, apothecioid – mazaedial
ascoma [mm]: (low) 0.2 (high) 0.3
ascoma: pedicellate, stipitate, pedunculate, stalked
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: brown(ish) (if pale: fawn, tan; if mid: cinnamon)
asci: prototunicate
[asc] tholus: not thickened
[asc] tholus amyloidity (iodine reaction): absent
[asp] shape: globose, spherical
[asp] length [µm]: (low) 5.6 (high) 7.2
[asp] width [µm]: (low) 6.0 (high) 7.0
[asp] septa: absent – spore lumen unilocular, monolocular
[asp] pigmentation: pale brown
[asp] perispore, epispore: ornamented, rough, warted, striate, cracked
secondary metabolites: present
secondary metabolites: pseudoplacodiolic acid | vulpinic acid | unknown/unidentified compound(s)
host organism:
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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