
LIAS light – Item Descriptions
LIASlight ItemID: 7707
Buellia peregrina Bungartz & V. Wirth
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) |
substrate: | rock – calcareous, calciferous, basic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed |
[th] upper surface: | white(ish) brown (beige) | red(dish) white (pink) |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 0.1 (low) 0.2 (high) 0.4 (max) 0.5 |
ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex | distinctly convex | strongly convex, hemispherical, (sub-)globose |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
[ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | black(ish) |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | red(dish) brown (if pale: orange brown) |
[ascm] paraphyses/-oids: | present |
[ascm] epihymenium, epithecium: | blue(ish) |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | ellipsoidal | oblong, oblong-obtuse |
[asp] length [µm]: | (min) 9.0 (low) 10.0(median) 10.9 (high) 11.7 (max) 12.0 |
[asp] width [µm]: | (min) 4.9 (low) 5.0(median) 5.4 (high) 5.9 (max) 6.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | medium brown, brownish |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |