![LiasLight](/Pictures/LiasLight_small.gif)
LIAS light – Item Descriptions
LIASlight ItemID: 14430
Pseudoparmelia brakoana Elix & T. H. Nash
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – South and Central America |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | foliose (foliaceous), leaf-like |
[th] upper surface: | yellow(ish) (if dull: buff) | yellow(ish) grey |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 1.0 (high) 3.0 |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | rugulose, finely wrinkled | cracked, fissured, fractured, rimulose, subrimose |
[th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) white (ivory, off-white, cream-coloured) |
[th lower surface] specific structures: | present |
[th lower surface] rhizines, rhizoid structures: | present |
[th lower surface] rhizines, rhizinoid structures: | unbranched, simple |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.5 (high) 1.0 |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | subglobose, subspherical |
[asp] length [µm]: | (low) 7.0 (high) 9.0 |
[asp] width [µm]: | (low) 5.0 (high) 7.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bifusiform |
[co] length [µm]: | (low) 9.0 (high) 13.0 |
secondary metabolites: | present |
secondary metabolites: | atranorin | constictic acid | cryptostictic acid | norstictic acid | secalonic acid A | stictic acid | secalonic acid(s) – unspecified |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |