
LIAS light – Item Descriptions
LIASlight ItemID: 4849
Polyblastia dermatodes A. Massal.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | Oceania – Australasia | Eurasia – Europe |
substrate: | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | grey(ish) | white(ish) | grey(ish) white |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (min) 0.15 (low) 0.3 (high) 0.5 (max) 0.6 |
ascoma: | immersed, innate |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) |
[ascm, if apoth] margin excipular photobionts: | absent |
[ascm] paraphyses/-oids: | absent |
asci: | fissitunicate – verrucarialean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform |
[asp] length [µm]: | (min) 22.0 (low) 25.0 (high) 50.0 (max) 60.0 |
[asp] width [µm]: | (min) 8.0 (low) 12.0 (high) 25.0 |
[asp] septa: | present |
[asp] septa: | transversely septate | muriformly septate – muriform, submuriform |
[asp] transversal septa: | (low) 3.0 (high) 4.0 (max) 7.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
conidia: | bacilliform, bacillar |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |