LIAS light – Item Descriptions
LIASlight ItemID: 587
Lecidea albohyalina (Nyl.) Th. Fr.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | white(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.25 (high) 0.3 (max) 0.55 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | subconvex, slightly convex | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | grey(ish) brown | white(ish) brown (beige) | red(dish) white (pink) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | hyaline, colourless |
| 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]: | (min) 7.0 (low) 9.7 (high) 12.0 (max) 17.0 |
| [asp] width [µm]: | (min) 2.0 (low) 2.5 (high) 3.0 (max) 3.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 0.0 (max) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | acicular (needle-shaped) |
| [co] length [µm]: | (low) 25.0 (high) 50.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |