LIAS light – Item Descriptions
LIASlight ItemID: 15246
Chaenothecopsis sitchensis Rikkinen
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | 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 marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 0.21 (low) 0.36 (high) 0.7 (max) 1.1 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | strongly convex, hemispherical, (sub-)globose |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| asci: | prototunicate |
| [asc] tholus: | not thickened |
| [asc] tholus amyloidity (iodine reaction): | absent |
| ascospores: | (median) 8.0 |
| [asp] shape: | cylindrical | narrowly ellipsoidal |
| [asp] length [µm]: | (min) 6.0 (low) 7.1 (high) 9.5 (max) 12.0 |
| [asp] width [µm]: | (min) 3.0 (low) 3.1 (high) 3.6 (max) 4.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | pale brown |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | present |
| secondary metabolites: | unknown/unidentified pigment(s) |
| primary photobiont: | absent |