LIAS light – Item Descriptions
LIASlight ItemID: 13553
Tetramelas phaeophysciae A. Nordin & Tibell
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Arctic |
| substrate: | lichens, lichenized fungi |
| life habit: | lichenicolous (in/on lichens) |
| thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.1 (high) 0.55 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate | concave | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm] paraphyses/-oids: | present |
| [ascm] paraphyses/-oid apical cells width [µm]: | (low) 4.0 (high) 6.0 |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 16.5 (low) 19.0(median) 19.5 (high) 21.0 (max) 22.0 |
| [asp] width [µm]: | (min) 6.5 (low) 6.5(median) 7.0 (high) 7.5 (max) 9.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| secondary metabolites: | absent |
| primary photobiont: | absent |