LIAS light – Item Descriptions
LIASlight ItemID: 3756
Micarea nitschkeana (J. Lahm) Harm.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| [th marginal and upper surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 0.3 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | convex |
| [ascm, if apoth] disc, mazaedium: | black(ish) | grey(ish) black | brown(ish) black |
| [ascm, if apoth] margin excipular photobionts: | absent |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | green(ish) | blue(ish) green (turquoise) | brown(ish) green (olivaceous, olive green) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | filiform, vermiform | [cur] – curved, unciform, falcate, sickle-shaped | acicular (needle-shaped) |
| [asp] length [µm]: | (low) 10.0 (high) 17.0 |
| [asp] width [µm]: | (low) 2.5 (high) 3.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 1.0 (high) 4.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| secondary metabolites: | present |
| secondary metabolites: | gyrophoric acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |