LIAS light – Item Descriptions
LIASlight ItemID: 305
Arthopyrenia cerasi (Schrad.) A. Massal.
| 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 |
| [th] upper surface: | grey(ish) |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | perithecial, perithecioid – hymenial |
| ascoma [mm]: | (median) 0.3 (max) 0.5 |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid cells width [µm]: | (low) 1.5 (high) 2.0 |
| asci: | fissitunicate – bitunicate |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | clavate |
| [asp] length [µm]: | (min) 15.0 (low) 17.0 (high) 22.0 |
| [asp] width [µm]: | (low) 5.0 (high) 7.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | thin, thinly halonate | thick, distincly halonate |
| conidiomata: | absent | present |
| conidia: | oblong, oblong-obtuse |
| [co] length [µm]: | (min) 9.0 (max) 14.0 |
| secondary metabolites: | absent |
| host organism: | |
| primary photobiont: | absent |