LIAS light – Item Descriptions
LIASlight ItemID: 4809
Placynthium filiforme (Garov.) M. Choisy
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | squamulose (squamulous) | placodioid-crustose, placodioid-foliose |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | black(ish) | grey(ish) | brown(ish) grey |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.1 (high) 0.2 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | subsquamulose | squamulose |
| [th] lower surface: | blue(ish) green (turquoise) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |