LIAS light – Item Descriptions
LIASlight ItemID: 14312
Acarospora deserticola Zahlbr.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) |
| substrate: | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | subsquamulose (subsquamulous) |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | yellow(ish) (if dull: buff) |
| [th upper surface]: | epruinose |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.4 (high) 1.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | subsquamulose |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.17 (high) 0.19 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 2.5 |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| [asp] shape: | ellipsoidal | oval |
| [asp] length [µm]: | (low) 2.5 (high) 3.5 |
| [asp] width [µm]: | (low) 1.4 (high) 2.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | ellipsoidal |
| [co] length [µm]: | (min) 2.0 |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |