LIAS light – Item Descriptions
LIASlight ItemID: 13731
Umbilicaria rhizinata (Frey & Poelt) Krzewicka
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Americas – South and Central America |
| substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | peltate, umbilicate |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) | brown(ish) grey |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 10.0 (high) 20.0 (max) 30.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| [th] lower surface: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [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 |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |