LIAS light – Item Descriptions
LIASlight ItemID: 5832
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | lichens, lichenized fungi | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) | lichenicolous (in/on lichens) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial | apothecial, apothecioid – mazaedial |
| ascoma [mm]: | (low) 0.1 (high) 0.25 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | subglobose, subspherical |
| [asp] length [µm]: | (min) 7.0 (low) 7.5 (high) 9.5 (max) 10.0 |
| [asp] width [µm]: | (min) 6.5 (low) 7.0 (high) 8.5 (max) 10.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] septa: | transversely septate |
| [asp] pigmentation: | dark brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| host organism: | |
| primary photobiont: | absent | present |
| secondary photobionts (eg in cephalodia): | absent |