LIAS light – Item Descriptions
LIASlight ItemID: 7621
Acarospora thelococcoides (Nyl.) Zahlbr.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | soil, clay, humus, turf, detritus, dead leaves |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| [th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) brown (beige) | black(ish) red |
| [th upper surface]: | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine | dense |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.0 |
| [th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [ascm, if apoth] margin excipular photobionts: | present |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (median) 1.7 |
| [ascm] epihymenium, epithecium: | black(ish) brown |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (min) 16.0 (low) 24.0 (high) 48.0 (max) 100.0 |
| [asp] shape: | globose, spherical |
| [asp] length [µm]: | (min) 9.0 (low) 10.0 (high) 13.0 (max) 15.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |