LIAS light – Item Descriptions
LIASlight ItemID: 7647
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Americas – North America (incl Mexico) |
| substrate: | wood – dead, living |
| [th] upper surface: | white(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.48 (high) 0.72 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 4.0 (high) 8.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 4.0 (high) 8.0 |
| [ascm] epihymenium, epithecium: | hyaline, colourless | black(ish) brown | white(ish) brown (beige) |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 19.0 (low) 23.0 (high) 30.0 |
| [asp] width [µm]: | (min) 9.0 (low) 10.0 (high) 20.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 5.0 (high) 7.0 |
| [asp] pigmentation: | hyaline, colourless |
| primary photobiont: | absent |