![LiasLight](/Pictures/LiasLight_small.gif)
LIAS light – Item Descriptions
LIASlight ItemID: 8093
Relicina abstrusa (Vain.) Hale
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical |
substrate: | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | foliose (foliaceous), leaf-like |
[th] upper surface: | yellow(ish) green | yellow(ish) brown |
[th upper surface]: | epruinose | pruinose |
[th upper surface] pruina: | scarce, sparse, fine | dense |
[th marginal and upper surface] specific structures: | present |
[th margin] cilia, cilioid structures: | present |
[th upper surface] isidia, isidioid structures: | present |
[th upper surface] soredia, soralia, soralioid structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.3 (high) 0.7 (max) 2.0 |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) | distantly discontiguous |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | maculate |
[th] morphol substructures (eg lobes, branches): | subdichotomous |
[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 |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 1.0 (high) 4.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconcave, slightly concave |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | black(ish) brown |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | yellow(ish) green | green(ish) yellow |
[ascm, if apoth] margin excipular photobionts: | present | sparse | abundant |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[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: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | subglobose, subspherical | broadly ellipsoidal | ellipsoidal |
[asp] length [µm]: | (low) 5.0 (high) 6.0 |
[asp] width [µm]: | (low) 4.0 (high) 5.0 |
[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) 5.0 (high) 6.0 |
secondary metabolites: | present |
secondary metabolites: | atranorin | connorstictic acid | hyposalazinic acid | norstictic acid | usnic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |