
LIAS light – Item Descriptions
LIASlight ItemID: 1644
Coccotrema citrinescens P. James & Coppins
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | granular, granulose, granulate | compartimentized – areolate, squamulate |
[th] upper surface: | green(ish) grey |
[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) upper surface: | smooth, plane | verrucose, warted |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.6 (high) 0.8 (max) 1.0 |
[ascm] paraphyses/-oids: | present |
ascospores: | (low) 4.0 (high) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (min) 25.0 (low) 30.0 (high) 50.0 (max) 60.0 |
[asp] width [µm]: | (min) 19.0 (low) 21.0 (high) 28.0 (max) 33.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
[co] length [µm]: | (low) 3.8 (high) 5.0 |
secondary metabolites: | present |
secondary metabolites: | cryptostictic acid | stictic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent | present |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |