LIAS light – Item Descriptions
LIASlight ItemID: 4495
Pertusaria hymenea (Ach.) Schaer.
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified |
| thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
| [th] upper surface: | grey(ish) | green(ish) grey | yellow(ish) grey | yellow(ish) green |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | verrucose, warted |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (median) 1.0 (max) 2.0 |
| ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | black(ish) | black(ish) brown |
| [ascm, if apoth] disc, mazaedium: | pruinose |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
| [ascm] paraphyses/-oids: | present |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
| ascospores: | (min) 6.0(median) 8.0 |
| [asp] shape: | ellipsoidal | fusiform |
| [asp] length [µm]: | (low) 60.0 (high) 110.0 (max) 130.0 |
| [asp] width [µm]: | (low) 25.0 (high) 50.0 |
| [asp] septa: | absent – spore lumen unilocular, monolocular |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | cylindrical |
| [co] length [µm]: | (low) 7.0 (high) 15.0 |
| secondary metabolites: | absent | present |
| secondary metabolites: | 2'-O-methylperlatolic acid | gyrophoric acid | lecanoric acid | orsellinic acid | thiophaninic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |