LIAS light – Item Descriptions
LIASlight ItemID: 2585
Lecania sylvestris (Arnold) Arnold
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Eurasia – Europe |
| substrate: | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | granular, granulose, granulate | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | white(ish) | white(ish) brown (beige) | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 0.3 |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.24 (low) 0.29(median) 0.32 (high) 0.34 (max) 0.48 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) yellow (orange, orange yellow) | black(ish) brown | red(dish) brown (if pale: orange brown) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | white(ish) brown (beige) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless | yellow(ish) brown |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid apical cells width [µm]: | (min) 5.0 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (pale: orange brown) |
| 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] shape: | ellipsoidal | fusiform |
| [asp] length [µm]: | (min) 8.8 (low) 11.1(median) 11.3 (high) 11.4 (max) 14.7 |
| [asp] width [µm]: | (min) 2.9 (low) 2.9(median) 3.1 (high) 3.4 (max) 3.7 |
| [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 | present |
| secondary metabolites: | unknown/unidentified pigment(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |