LIAS light – Item Descriptions
LIASlight ItemID: 13836
Mycoblastus disporus (C. Knight) Kantvilas
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | cracked, fissured, fractured, rimose |
| [th] upper surface: | white(ish) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | uneven, undulate |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 1.5 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | distinctly convex | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) | blue(ish) black | brown(ish) black |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 3.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 3.0 (high) 5.0 (max) 6.0 |
| [ascm] epihymenium, epithecium: | green(ish) | red(dish) blue (violet) |
| 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) 1.0(median) 2.0 (max) 4.0 |
| [asp] shape: | broadly ellipsoidal | ovoid, ovate |
| [asp] length [µm]: | (low) 40.0(median) 61.5 (high) 66.0 (max) 70.0 |
| [asp] width [µm]: | (low) 18.0(median) 34.3 (high) 38.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | thin, thinly halonate | thick, distincly halonate |
| secondary metabolites: | present |
| secondary metabolites: | perlatolic acid | physodalic acid | protocetraric acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |