LIAS light – Item Descriptions
LIASlight ItemID: 9293
Usnea mekista (Stirt.) G. Awasthi
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Eurasia – Asia Tropical |
| substrate: | bark, cork, plant surface – trunks, branches, twigs |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | fruticose (fruticous), shrub-like, beard-like |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | green(ish) |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | present |
| [th margin] cilia, cilioid structures: | absent |
| [th upper surface] isidia, isidioid structures: | present |
| [th upper surface] soredia, soralia, soralioid structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | cracked, fissured, fractured, rimulose, subrimose | pseudocyphellate, with pseudocyphellae |
| ascomata: | absent |
| secondary metabolites: | present |
| secondary metabolites: | malonprotocetraric acid | protocetraric acid | usnic acid | unknown/unidentified pigment(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |