LIAS light – Item Descriptions
LIASlight ItemID: 4434
Peltula obscurans var. deserticola (Zahlbr.) Wetmore
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Americas – North America (incl Mexico) |
| substrate: | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) |
| [th] upper surface: | green(ish) brown (olive brown) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.3 (high) 1.2 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | yellow(ish) brown | red(dish) brown (if pale: orange brown) |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | entirely amyloid (= Catillaria-, Teloschistes-types etc) |
| ascospores: | (median) 100.0 |
| [asp] shape: | ellipsoidal | ovoid, ovate |
| [asp] length [µm]: | (low) 4.6 (high) 7.7 |
| [asp] width [µm]: | (low) 3.0 (high) 4.6 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | fusiform |
| [co] length [µm]: | (low) 3.1 (high) 3.7 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |