LIAS light – Item Descriptions
LIASlight ItemID: 1967
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | squamulose (squamulous) |
| thallus: | compartimentized – areolate, squamulate |
| [th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) | grey(ish) green | grey(ish) brown | white(ish) brown (beige) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.0 (max) 3.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | uneven, undulate |
| [th lower surface] specific structures: | present |
| [th lower surface] rhizines, rhizoid structures: | absent | present |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (low) 0.16 (high) 0.22 (max) 3.0 |
| ascoma: | immersed, innate |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | absent |
| asci: | fissitunicate – verrucarialean |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 2.0 |
| [asp] shape: | broadly ellipsoidal | ellipsoidal | cylindrical |
| [asp] length [µm]: | (min) 25.0 (low) 28.0 (high) 40.0 (max) 50.0 |
| [asp] width [µm]: | (min) 11.0 (low) 14.5 (high) 16.0 (max) 19.0 |
| [asp] septa: | present |
| [asp] septa: | muriformly septate – muriform, submuriform |
| [asp] transversal septa: | (low) 8.0 (high) 11.0 |
| [asp] pigmentation: | hyaline, colourless | pale brown |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| [co] length [µm]: | (low) 3.0 (high) 5.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |