LIAS light – Item Descriptions
LIASlight ItemID: 5050
Pseudocyphellaria perpetua McCune & Miadlikowska
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | 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: | grey(ish) | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | absent |
| [th upper surface] soredia, soralia, soralioid structures: | present |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 2.0 (high) 10.0 |
| [th] morphol substructures (eg areoles, squamules): | distantly discontiguous |
| [th] morphol substructures (eg lobes, branches): | subdichotomous | irregular |
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) brown (beige) |
| [th lower surface] specific structures: | present |
| [th lower surface] rhizines, rhizoid structures: | absent |
| ascomata: | absent |
| secondary metabolites: | present |
| secondary metabolites: | pulvinic acid | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | cyanobacterial |