LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 11628

Megalospora caraibica Lücking

Characters[*]:Character States[*]:
global occurrence: Americas – South and Central America
substrate: bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: crustose (crustaceous) – episubstratal – unspecified
thallus: continuous, diffuse, effuse
[th] upper surface: white(ish)
[th marginal and upper surface] specific structures: absent
[th] morphol substructures (eg areoles, lobes, branches) upper surface: smooth, plane | rugulose, finely wrinkled | uneven, undulate
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.5 (low) 1.0 (high) 2.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: plane, flat, flattened, expanded
[ascm, if apoth] disc, mazaedium: blue(ish) brown (violet brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: black(ish) | brown(ish) black
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow)
[ascm] paraphyses/-oids: present
[ascm] epihymenium, epithecium: red(dish) brown (pale: orange brown)
asci: lecanoralean
[asc] tholus: thickened
[asc] tholus amyloidity (iodine reaction): present
[asc] tholus amyloidity pattern: entirely amyloid (= Catillaria-, Teloschistes-types etc)
ascospores: (median) 1.0
[asp] shape: ellipsoidal | oblong, oblong-obtuse
[asp] length [µm]: (low) 70.0 (high) 110.0
[asp] width [µm]: (low) 20.0 (high) 30.0
[asp] septa: present
[asp] septa: muriformly septate – muriform, submuriform
[asp] pigmentation: hyaline, colourless
secondary metabolites: present
secondary metabolites: pannarin | zeorin (hopane-6α,22-diol) | 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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