LIAS light – Item Descriptions
LIASlight ItemID: 3823
Mycoblastus affinis (Schaer.) T. Schauer
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Eurasia – Asia Tropical | Arctic |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | granular, granulose, granulate |
| [th] upper surface: | grey(ish) | green(ish) grey |
| [th marginal and upper surface] specific structures: | absent | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | absent |
| [th upper surface] soredia, soralia, soralioid structures: | absent | present |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verruculose, minutely warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 1.5 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | green(ish) | blue(ish) black | black(ish) blue |
| 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) | entirely amyloid (= Catillaria-, Teloschistes-types etc) |
| ascospores: | (min) 1.0(median) 2.0 (max) 3.0 |
| [asp] shape: | broadly ellipsoidal | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform |
| [asp] length [µm]: | (min) 40.0 (low) 47.0 (high) 70.0 (max) 100.0 |
| [asp] width [µm]: | (min) 25.0 (low) 30.0 (high) 42.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | atranorin | norcaperatic acid | planaic acid | roccellic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |