
LIAS light – Item Descriptions
LIASlight ItemID: 11016
Verrucaria muelleri (Servít) Breuss
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | compartimentized – areolate, squamulate |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (min) 1.0 |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (min) 0.25 |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | absent |
asci: | fissitunicate – verrucarialean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | oblong, oblong-obtuse |
[asp] length [µm]: | (min) 12.0 (low) 15.0 (high) 18.0 (max) 20.0 |
[asp] width [µm]: | (low) 4.0 (high) 6.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |