LIAS light – Item Descriptions
LIASlight ItemID: 2337
Hymenelia coerulea (DC.) A. Massal.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – South and Central America |
| substrate: | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) blue | white(ish) blue |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.2 (high) 0.4 |
| [ascm, if apoth] disc, mazaedium: | black(ish) | blue(ish) grey |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | blue(ish) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] length [µm]: | (low) 6.0 (high) 15.0 |
| [asp] width [µm]: | (low) 5.0 (high) 11.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |