LIAS light – Item Descriptions
LIASlight ItemID: 4681
Physcia biziana (A. Massal.) Zahlbr.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America |
| substrate: | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | foliose (foliaceous), leaf-like |
| [th] upper surface: | grey(ish) | brown(ish) grey | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th upper surface]: | pruinose |
| [th upper surface] pruina: | dense |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.8 (high) 2.0 (max) 3.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) |
| [th lower surface] specific structures: | present |
| [th lower surface] rhizines, rhizoid structures: | present |
| [th lower surface] rhizines, rhizinoid structures: | unbranched, simple |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 2.0 (max) 2.5 |
| ascoma: | sessile, superficial | subpedicellate, substipitate, subpedunculate, substalked |
| [ascm, if apoth] disc, mazaedium: | black(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | dense |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal |
| [asp] length [µm]: | (min) 13.0 (low) 15.0 (high) 21.0 (max) 28.0 |
| [asp] width [µm]: | (min) 6.0 (low) 7.0 (high) 9.5 (max) 13.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish |
| conidiomata: | absent | present |
| conidia: | cylindrical | bacilliform, bacillar |
| [co] length [µm]: | (low) 4.0 (high) 6.0 |
| secondary metabolites: | present |
| secondary metabolites: | atranorin |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |