
LIAS light – Item Descriptions
LIASlight ItemID: 5376
Ramalina obtusata (Ach.) Bitter
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
substrate: | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | fruticose (fruticous), shrub-like, beard-like |
thallus: | continuous, diffuse, effuse |
[th] upper surface: | yellow(ish) (if dull: buff) | grey(ish) green |
[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) 4.0 |
[th] morphol substructures (eg areoles, squamules): | contiguous, coherent (throughout the thallus) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | pseudocyphellate, with pseudocyphellae |
[th] morphol substructures (eg lobes, branches): | irregular |
ascomata: | absent |
secondary metabolites: | present |
secondary metabolites: | evernic acid | obtusatic acid | usnic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |