LIAS light – Item Descriptions
LIASlight ItemID: 4876
Atla wheldonii (Travis) Savić & Tibell
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bryophytes – mosses, liverworts | rock – calcareous, calciferous, basic |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | granular, granulose, granulate |
| [th] upper surface: | green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.02 (high) 0.1 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (min) 0.35 (low) 0.64 (high) 0.8 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | absent | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 1.5 |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (min) 3.0 (low) 4.0 (high) 8.0 |
| [asp] shape: | broadly ellipsoidal | ellipsoidal | ovoid, ovate |
| [asp] length [µm]: | (min) 70.1 (low) 80.0 (high) 87.2 (max) 160.0 |
| [asp] width [µm]: | (min) 33.3 (low) 40.0 (high) 45.2 (max) 92.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 10.0 (high) 15.0 |
| [asp] pigmentation: | medium brown, brownish | dark brown |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent | present |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |