LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 8772

Thelotrema conveniens Nyl.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Oceania – Australasia | Americas – South and Central America
substrate: bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified
thallus: cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate
[th] upper surface: grey(ish) | grey(ish) green | yellow(ish) brown
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | verrucose, warted
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial | perithecial, perithecioid – hymenial
ascoma [mm]: (min) 0.3 (low) 0.6 (high) 1.0
ascoma: immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent
[ascm, if apoth] disc, mazaedium: grey(ish)
[ascm, if apoth] disc, mazaedium: pruinose
[ascm, if apoth] disc, mazaedium pruina: dense
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: hyaline, colourless
asci: unitunicate
[asc] tholus: not thickened | thickened
[asc] tholus amyloidity (iodine reaction): absent
ascospores: (median) 1.0
[asp] shape: cylindrical | oblong, oblong-obtuse | fusiform
[asp] length [µm]: (low) 80.0 (high) 200.0
[asp] width [µm]: (low) 20.0 (high) 30.0 (max) 40.0
[asp] septa: present
[asp] septa: muriformly septate – muriform, submuriform
[asp] pigmentation: hyaline, colourless | pale brown
[asp] perispore, epispore: not apparent | amyloid
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: chlorophytaceous – trentepohliaceous, trentepohlioid

[*] 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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