LIAS light – Item Descriptions
LIASlight ItemID: 1272
Usnocetraria oakesiana (Tuck.) M. J. Lai & J. C. Wei
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) |
| substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | foliose (foliaceous), leaf-like | fruticose (fruticous), shrub-like, beard-like |
| thallus: | continuous, diffuse, effuse |
| [th] upper surface: | yellow(ish) green |
| [th upper surface]: | epruinose |
| [th marginal and upper surface] specific structures: | present |
| [th margin] cilia, cilioid structures: | absent | present |
| [th upper surface] isidia, isidioid structures: | absent |
| [th upper surface] soredia, soralia, soralioid structures: | present |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
| [th] lower surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | white(ish) |
| [th lower surface] specific structures: | absent | present |
| [th lower surface] rhizines, rhizoid structures: | present |
| ascomata: | absent |
| conidiomata: | absent | present |
| conidia: | filiform, vermiform |
| [co] length [µm]: | (low) 9.0 (high) 10.0 |
| secondary metabolites: | present |
| secondary metabolites: | caperatic acid | lichesterinic acid | protolichesterinic acid | usnic acid |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |