LIAS light – Item Descriptions
LIASlight ItemID: 2581
Lecania rabenhorstii (Hepp) Arnold
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | yellow(ish) grey | brown(ish) grey |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.8 |
| [ascm, if apoth] disc, mazaedium: | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] length [µm]: | (low) 10.0 (high) 13.0 (max) 16.0 |
| [asp] width [µm]: | (low) 4.0 (high) 7.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |