LIAS light – Item Descriptions
LIASlight ItemID: 13342
Placidiopsis cartilaginea (Nyl.) Vain.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | soil, clay, humus, turf, detritus, dead leaves |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) green (olivaceous, olive green) |
| [th upper surface]: | epruinose | pruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (median) 2.0 (max) 3.0 |
| [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 |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (min) 0.2 |
| ascoma: | immersed, innate |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] length [µm]: | (min) 15.0(median) 18.2 (max) 22.0 |
| [asp] width [µm]: | (min) 5.0(median) 6.1 (max) 7.2 |
| [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 |