LIAS light – Item Descriptions
LIASlight ItemID: 163
Anisomeridium quadricoccum R. C. Harris
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) | white(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.2 (high) 0.25 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | black(ish) | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | fusiform |
| [asp] length [µm]: | (low) 15.0 (high) 17.0 (max) 26.0 |
| [asp] width [µm]: | (min) 5.5 (low) 6.0 (high) 7.0 (max) 8.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | oblong, oblong-obtuse |
| [co] length [µm]: | (low) 3.0 (high) 4.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |