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LIAS light – Item Descriptions
LIASlight ItemID: 3045
Lecidea betulicola (Kullh.) H. Magn.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Europe | Americas – North America (incl Mexico) | Arctic |
substrate: | bark, cork, plant surface – trunks, branches, twigs |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – endosubstratal, inconspicuous, immersed | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose |
[th] upper surface: | green(ish) grey | white(ish) grey | grey(ish) green | brown(ish) yellow (ochraceous, ochre) | grey(ish) white |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | rugose, plicate, folded, pustulate, faveolate, wrinkled |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.35 (high) 0.65 (max) 0.75 |
ascoma: | sessile, superficial |
[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: | grey(ish) | brown(ish) grey | grey(ish) brown | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | grey(ish) brown | red(dish) brown (if pale: orange brown) | brown(ish) red (carneous) |
[ascm, if apoth] margin excipular photobionts: | absent |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless | brown(ish) grey | brown(ish) green (olivaceous, olive green) | green(ish) brown (olive brown) |
[ascm] paraphyses/-oids: | present |
[ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | hyaline, colourless |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
ascospores: | (median) 8.0 |
[asp] shape: | globose, spherical | broadly ellipsoidal | ellipsoidal | elongate-fusiform, ellipsoidal-fusiform |
[asp] length [µm]: | (min) 5.5 (low) 7.0 (high) 8.0 (max) 14.0 |
[asp] width [µm]: | (min) 2.5 (low) 3.0 (high) 3.0 (max) 4.0 |
[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 |