LIAS light – Item Descriptions
LIASlight ItemID: 310
Naetrocymbe fraxini (A. Massal.) R. C. Harris
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | 
| substrate: | bark, cork, plant surface – trunks, branches, twigs | 
| life habit: | saprobic (on decaying organic substrate) | 
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | 
| thallus: | continuous, diffuse, effuse | 
| [th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | 
| [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) 0.2 (high) 0.4 | 
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | 
| [ascm] paraphyses/-oids: | present | 
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.0 (high) 1.5 | 
| asci: | fissitunicate – bitunicate | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | absent | 
| ascospores: | (median) 8.0 | 
| [asp] length [µm]: | (low) 17.0 (high) 19.0 (max) 26.0 | 
| [asp] width [µm]: | (min) 4.5 (low) 5.0 (high) 7.0 | 
| [asp] septa: | present | 
| [asp] septa: | transversely septate | 
| [asp] transversal septa: | (median) 1.0 (max) 3.0 | 
| [asp] pigmentation: | hyaline, colourless | 
| [asp] perispore, epispore: | thin, thinly halonate | 
| secondary metabolites: | absent | 
| primary photobiont: | absent |