LIAS light – Item Descriptions
LIASlight ItemID: 15225
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | subsquamulose (subsquamulous) |
| [th] upper surface: | blue(ish) grey |
| [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) 0.4 (high) 0.6 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) yellow (ochraceous, ochre) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.0 |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (low) 6.0 (high) 8.0 |
| [asp] shape: | subglobose, subspherical | broadly ellipsoidal | ellipsoidal |
| [asp] length [µm]: | (low) 9.0 (high) 13.0 |
| [asp] width [µm]: | (low) 7.0 (high) 9.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |