LIAS light – Item Descriptions
LIASlight ItemID: 4060
Opegrapha varia Pers. var. varia
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
| [th] upper surface: | grey(ish) | green(ish) | yellow(ish) (if dull: buff) | brown(ish) grey | brown(ish) yellow (ochraceous, ochre) | grey(ish) brown | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.4 (high) 1.5 (max) 2.0 |
| ascoma: | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform |
| [asp] length [µm]: | (min) 16.5(median) 18.0 (max) 55.0 |
| [asp] width [µm]: | (min) 4.5 (low) 5.0 (high) 8.0 (max) 10.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 4.0 (high) 7.0 (max) 8.0 |
| [asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish | dark brown |
| [asp] perispore, epispore: | thick, distincly halonate |
| conidiomata: | absent | present |
| conidia: | ellipsoidal | bacilliform, bacillar |
| [co] length [µm]: | (low) 4.0 (high) 8.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |