LIAS light – Item Descriptions
LIASlight ItemID: 14839
Hypogymnia amplexa Goward, Björk & Wheeler
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | foliose (foliaceous), leaf-like |
| [th] upper surface: | green(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 1.5 (low) 2.0 (high) 2.0 (max) 2.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | rugose, plicate, folded, pustulate, faveolate, wrinkled |
| [th] morphol substructures (eg lobes, branches): | anisotomic-dichotomous |
| [th] lower surface: | black(ish) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (min) 2.0 (low) 3.0 (high) 6.0 (max) 8.0 |
| ascoma: | pedicellate, stipitate, pedunculate, stalked |
| [ascm, if apoth] disc, mazaedium: | strongly concave, excavate, urceolate |
| [ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
| [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) 6.8(median) 8.0 (max) 9.0 |
| [asp] width [µm]: | (min) 4.8(median) 5.7 (max) 7.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| [co] length [µm]: | (min) 6.5(median) 6.9 (max) 8.0 |
| secondary metabolites: | present |
| secondary metabolites: | atranorin | physodic acid | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |