LIAS light – Item Descriptions
LIASlight ItemID: 7862
Buellia polyspora (Willey) Vain.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
| substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified | subsquamulose (subsquamulous) |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | grey(ish) brown | white(ish) brown (beige) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular | subsquamulose |
| [th] medulla amyloidity: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.1 (low) 0.2 (high) 0.3 (max) 0.4 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] disc, mazaedium pruina | |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | brown(ish) black |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) brown | hyaline brown |
| [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: | (min) 8.0(median) 16.0 (max) 32.0 |
| [asp] shape: | ellipsoidal | oblong, oblong-obtuse | oblong-truncate |
| [asp] length [µm]: | (min) 7.5 (low) 8.4(median) 9.3 (high) 10.2 (max) 11.7 |
| [asp] width [µm]: | (min) 3.0 (low) 3.2(median) 3.7 (high) 4.2 (max) 5.4 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | filiform, vermiform |
| [co] length [µm]: | (low) 14.5 (high) 30.0 |
| secondary metabolites: | absent | present |
| secondary metabolites: | atranorin |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |