LIAS light – Item Descriptions
LIASlight ItemID: 1892
Digitothyrea polyglossa (Nyl.) Morreno & Egea
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | rock – siliceous, siliciferous, acidic | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | peltate, umbilicate | foliose (foliaceous), leaf-like | subfruticose (subfruticous), fruticulose, dactyliform |
| [th] upper surface: | black(ish) |
| [th marginal and upper surface] specific structures: | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | present |
| [th upper surface] soredia, soralia, soralioid structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.5 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | granulose, granular |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.25 (high) 0.6 |
| ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
| [ascm, if apoth] disc, mazaedium: | red(dish) |
| [ascm] paraphyses/-oids: | present |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | broadly ellipsoidal |
| [asp] length [µm]: | (low) 9.5 (high) 14.0 |
| [asp] width [µm]: | (low) 4.5 (high) 9.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | cylindrical |
| [co] length [µm]: | (low) 2.5 (high) 4.0 |
| secondary metabolites: | absent |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |