LIAS light – Item Descriptions
LIASlight ItemID: 9349
Strigula albicascens (Nyl.) R. C. Harris
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Americas – North America (incl Mexico) |
| substrate: | wood – dead, living |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | placodioid-crustose, placodioid-foliose |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) green |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.23(median) 0.28 (high) 0.33 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [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 |
| ascospores: | (median) 8.0 |
| [asp] shape: | elongate-fusiform, ellipsoidal-fusiform |
| [asp] length [µm]: | (min) 16.0(median) 25.0 (max) 32.0 |
| [asp] width [µm]: | (min) 4.5(median) 6.0 (max) 7.5 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 3.0(median) 5.0 (high) 6.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [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 |