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LIAS light – Item Descriptions
LIASlight ItemID: 9336
Verrucaria mundula var. deminuta P. M. McCarthy
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Australasia |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | green(ish) | green(ish) black |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | uneven, undulate |
ascomata: | absent | present |
ascoma: | perithecial, perithecioid – hymenial |
ascoma [mm]: | (low) 0.12 (high) 0.2 |
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: | absent |
[ascm] paraphyses/-oids: | absent |
asci: | fissitunicate – verrucarialean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | subglobose, subspherical | broadly ellipsoidal | ellipsoidal | obovoid, obovate |
[asp] length [µm]: | (low) 6.0 (high) 10.5 |
[asp] width [µm]: | (low) 4.5 (high) 6.5 |
[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 |