
LIAS light – Item Descriptions
LIASlight ItemID: 4845
Polyblastia cruenta (Körb.) P. James & Swinscow
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
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 | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | green(ish) black | grey(ish) green | grey(ish) brown | green(ish) brown (olive brown) |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (min) 0.46 (low) 0.5 (high) 0.8 (max) 0.92 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm, if apoth] margin excipular photobionts: | present |
[ascm] paraphyses/-oids: | absent |
asci: | fissitunicate – verrucarialean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (min) 47.5 (low) 55.0 (high) 75.0 (max) 90.0 |
[asp] width [µm]: | (min) 20.0 (low) 29.0 (high) 36.0 (max) 42.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] pigmentation: | pale brown | medium brown, brownish | dark brown |
[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 |