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LIAS light – Item Descriptions
LIASlight ItemID: 12266
Lecania madida Reese Næsb. & Björk
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – South and Central America |
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: | granular, granulose, granulate | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | white(ish) | green(ish) grey | yellow(ish) white (ivory, off-white, cream-coloured) |
[th marginal and upper surface] specific structures: | absent |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 0.2 (low) 0.24(median) 0.36 (high) 0.47 (max) 0.61 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) | red(dish) white (pink) |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | white(ish) | green(ish) grey |
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | hyaline, colourless |
[ascm] paraphyses/-oids: | present |
[ascm] paraphyses/-oid cells width [µm]: | (low) 3.0 (high) 4.5 |
[ascm] paraphyses/-oid apical cells width [µm]: | (min) 5.5 |
[ascm] epihymenium, epithecium: | hyaline, colourless | red(dish) brown (pale: orange brown) |
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 | fusiform |
[asp] length [µm]: | (min) 9.6 (low) 10.7(median) 11.9 (high) 12.6 (max) 16.2 |
[asp] width [µm]: | (min) 2.9 (low) 3.2(median) 3.6 (high) 3.8 (max) 4.4 |
[asp] septa: | present |
[asp] septa: | transversely septate |
[asp] transversal septa: | (median) 1.0 |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | absent | present |
secondary metabolites: | unknown/unidentified pigment(s) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |