LIAS light – Item Descriptions
LIASlight ItemID: 5547
Rhizoplaca melanophthalma (DC.) Leuckert & Poelt
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Antarctic – Antarctica | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Eurasia – Asia Tropical | Arctic | Antarctic – Southern Subpolar Islands, Subantarctic Islands |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) | peltate, umbilicate |
| [th] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) green | green(ish) yellow |
| [th upper surface]: | epruinose | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.5 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | rugulose, finely wrinkled | cracked, fissured, fractured, rimulose, subrimose |
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) black | blue(ish) green (turquoise) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.4 (high) 1.7 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | blue(ish) black | green(ish) black | blue(ish) grey | yellow(ish) green | green(ish) yellow | green(ish) brown (olive brown) | yellow(ish) brown |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [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 | broadly ellipsoidal | ellipsoidal |
| [asp] length [µm]: | (low) 8.0 (high) 13.0 |
| [asp] width [µm]: | (low) 4.0 (high) 7.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | filiform, vermiform |
| [co] length [µm]: | (min) 15.0 (low) 20.0 (high) 25.0 (max) 30.0 |
| secondary metabolites: | present |
| secondary metabolites: | constipatic acid | lecanoric acid | placodiolic acid | psoromic acid | usnic acid | pertusaric acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |