
LIAS light – Item Descriptions
LIASlight ItemID: 13387
Strigula decipiens var. divisa P. M. McCarthy
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
substrate: | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | green(ish) | green(ish) grey |
[th upper surface]: | epruinose |
[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]: | (min) 0.18(median) 0.27 (max) 0.35 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) | green(ish) black |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 0.7 (high) 1.0 |
asci: | fissitunicate – bitunicate |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 8.0 |
[asp] shape: | elongate-fusiform, ellipsoidal-fusiform | fusiform |
[asp] length [µm]: | (min) 18.0(median) 22.0 (max) 26.0 |
[asp] width [µm]: | (min) 5.5(median) 7.5 (max) 9.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 7.0 (max) 9.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trentepohliaceous, trentepohlioid |