LIAS light – Item Descriptions
LIASlight ItemID: 463
Bacidia circumspecta (Nyl. ex Vain.) Malme
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) |
| 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: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | green(ish) grey | yellow(ish) grey | grey(ish) green | grey(ish) brown | green(ish) brown (olive brown) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.2 (low) 0.3(median) 0.4 (high) 0.5 (max) 1.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex | distinctly convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | yellow(ish) (if dull: buff) | blue(ish) black | blue(ish) grey |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | yellow(ish) (if dull: buff) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless | brown(ish) red (carneous) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 0.8 (high) 1.6 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (min) 1.2 (low) 1.7(median) 3.1 (high) 4.1 (max) 6.5 |
| [ascm] epihymenium, epithecium: | green(ish) | blue(ish) green (turquoise) | blue(ish) brown (violet brown) |
| 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] shape: | clavate | bacilliform, bacillar |
| [asp] length [µm]: | (min) 11.0 (low) 12.0(median) 24.0 (high) 37.0 (max) 45.0 |
| [asp] width [µm]: | (min) 1.6 (low) 1.7(median) 2.4 (high) 3.2 (max) 3.7 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (min) 3.0 (low) 3.0(median) 4.0 (high) 7.0 (max) 7.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | fusiform | oblong, oblong-obtuse | bacilliform, bacillar |
| [co] length [µm]: | (low) 6.0 (high) 25.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |