LIAS light – Item Descriptions
LIASlight ItemID: 750
Buellia nivalis (Bagl. & Carestia) Hertel
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | lichens, lichenized fungi | rock – siliceous, siliciferous, acidic |
| life habit: | lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | white(ish) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | grey(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| 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]: | (low) 16.0 (high) 26.0 |
| [asp] width [µm]: | (low) 6.0 (high) 11.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| primary photobiont: | absent |