LIAS light – Item Descriptions
LIASlight ItemID: 12320
Thelocarpon opertum J. C. David & Coppins
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | rock – calcareous, calciferous, basic |
| life habit: | cyanobacteriicolous (parasitic on cyanobacteria) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.25 (high) 0.29 |
| ascoma: | immersed, innate |
| [ascm, if apoth] disc, mazaedium: | green(ish) | yellow(ish) (if dull: buff) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
| [ascm] paraphyses/-oids: | absent |
| asci: | unitunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (low) 50.0 (high) 300.0 |
| [asp] shape: | globose, spherical | subglobose, subspherical |
| [asp] length [µm]: | (low) 3.0 (high) 5.5 |
| [asp] width [µm]: | (low) 3.0 (high) 5.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | pulvinic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent | present |
| primary photobiont: | cyanobacterial | chlorophytaceous – trebouxiaceous, chlorococcoid |