
LIAS light – Item Descriptions
LIASlight ItemID: 7216
Xanthoparmelia squamatica Elix & T. H. Nash
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | foliose (foliaceous), leaf-like |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | yellow(ish) green |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.0 |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | maculate |
[th] morphol substructures (eg lobes, branches): | isotomic-dichotomous |
[th] lower surface: | black(ish) |
[th lower surface] specific structures: | present |
[th lower surface] rhizines, rhizoid structures: | present |
[th lower surface] rhizines, rhizinoid structures: | unbranched, simple | dichotomously branched, dichotomous |
ascomata: | absent |
conidiomata: | absent | present |
conidia: | bifusiform |
[co] length [µm]: | (low) 5.0 (high) 6.0 |
secondary metabolites: | present |
secondary metabolites: | conechinocarpic acid | echinocarpic acid | squamatic acid | usnic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |