
LIAS light – Item Descriptions
LIASlight ItemID: 449
Bacidina assulata (Körb.) S. Ekman
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex |
[ascm, if apoth] disc, mazaedium: | red(dish) | red(dish) brown (if pale: orange brown) | yellow(ish) red (orange red) |
[ascm, if apoth] margin excipular photobionts: | absent |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | amyloid with widening axial body towards the apex (= Lecanora-, Parmelia-, Rinodina-types etc) |
ascospores: | (median) 8.0 |
[asp] length [µm]: | (low) 34.0 (high) 54.0 |
[asp] width [µm]: | (low) 1.5 (high) 2.0 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |