LIAS light – Item Descriptions
LIASlight ItemID: 8710
Myriotrema viridialbum (Kremp.) Hale
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – South and Central America |
| 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: | yellow(ish) (if dull: buff) | green(ish) grey | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verruculose, minutely warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.6 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] disc, mazaedium: | brown(ish) red (carneous) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | hyaline, colourless |
| asci: | unitunicate |
| [asc] tholus: | not thickened | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | subglobose, subspherical | ellipsoidal | clavate |
| [asp] length [µm]: | (low) 10.0 (high) 20.0 |
| [asp] width [µm]: | (low) 5.0 (high) 12.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 2.0 (high) 5.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent | thin, thinly halonate | amyloid |
| conidiomata: | absent | present |
| conidia: | fusiform |
| [co] length [µm]: | (median) 6.0 |
| secondary metabolites: | present |
| secondary metabolites: | conprotocetraric acid | hypoprotocetraric acid | lichexanthone | 4-O-demethylnotatic acid | convirensic acid | conhypoprotocetraric acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |