LIAS light – Item Descriptions
LIASlight ItemID: 104
Acrocordia cavata (Ach.) R. C. Harris
| Characters[*]: | Character States[*]: | 
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | 
| substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | 
| life habit: | lichenized (mutualistic with algal photobionts) | 
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | 
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | 
| [th] upper surface: | grey(ish) | white(ish) | grey(ish) white | 
| [th marginal and upper surface] specific structures: | absent | 
| ascomata: | absent | present | 
| ascoma: | perithecial, perithecioid – hymenial | 
| ascoma [mm]: | (low) 0.3 (high) 0.6 | 
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | 
| [ascm] paraphyses/-oids: | present | 
| asci: | fissitunicate – bitunicate | 
| [asc] tholus: | thickened | 
| [asc] tholus amyloidity (iodine reaction): | absent | 
| ascospores: | (median) 8.0 | 
| [asp] length [µm]: | (low) 11.0 (high) 16.5 | 
| [asp] width [µm]: | (low) 5.5 (high) 9.5 | 
| [asp] septa: | present | 
| [asp] septa: | transversely septate | 
| [asp] transversal septa: | (median) 1.0 | 
| [asp] pigmentation: | hyaline, colourless | 
| [asp] perispore, epispore: | thick, distincly halonate | ornamented, rough, warted, striate, cracked | 
| secondary metabolites: | absent | 
| primary photobiont: | present | 
| secondary photobionts (eg in cephalodia): | absent | 
| primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |