LIAS light – Item Descriptions
LIASlight ItemID: 14864
Opegrapha viridipruinosa Coppins & R. Yahr
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | leprose, leprarioid, powdery, byssoid |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | yellow(ish) (if dull: buff) | grey(ish) green |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.1 (high) 0.3 (max) 0.4 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | brown(ish) yellow (ochraceous, ochre) |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm] paraphyses/-oids: | present |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] length [µm]: | (min) 14.0 (low) 15.0 (high) 19.0 (max) 22.0 |
| [asp] width [µm]: | (min) 3.0 (low) 4.0 (high) 5.0 (max) 6.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (min) 3.0 (low) 4.0 (high) 5.0 |
| [asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish |
| [asp] perispore, epispore: | thin, thinly halonate |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [co] length [µm]: | (low) 2.5 (high) 3.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |