LIAS light – Item Descriptions
LIASlight ItemID: 14139
| 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: | subfruticose (subfruticous), fruticulose, dactyliform |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | grey(ish) green | yellow(ish) green | brown(ish) green (olivaceous, olive green) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 1.5 (high) 4.0 (max) 6.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | pseudocyphellate, with pseudocyphellae |
| [th] morphol substructures (eg lobes, branches): | irregular | dichotomous – unspecified |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 1.5 (max) 2.5 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded | subconvex, slightly convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) black |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) green | yellow(ish) green | brown(ish) green (olivaceous, olive green) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 2.0 (high) 3.0 |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 4.0 (high) 5.0 |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | yellow(ish) green |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (low) 2.0 (high) 4.0 (max) 5.0 |
| [asp] shape: | globose, spherical | subglobose, subspherical |
| [asp] length [µm]: | (min) 19.0 (low) 21.2 (high) 28.2 (max) 34.0 |
| [asp] width [µm]: | (min) 17.0 (low) 18.8 (high) 23.2 (max) 30.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | filiform, vermiform |
| [co] length [µm]: | (min) 7.0 (low) 9.6 (high) 13.8 (max) 16.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |