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LIAS light – Item Descriptions
LIASlight ItemID: 3976
Ochrolechia alboflavescens (Wulfen) Zahlbr.
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] upper surface: | grey(ish) | yellow(ish) (if dull: buff) | white(ish) | yellow(ish) grey | brown(ish) grey | white(ish) grey |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | present |
[th margin] cilia, cilioid structures: | absent |
[th upper surface] isidia, isidioid structures: | absent |
[th upper surface] soredia, soralia, soralioid structures: | present |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | verruculose, minutely warted | verrucose, warted | cracked, fissured, fractured, rimulose, subrimose |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (min) 3.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | concave | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | red(dish) brown (if pale: orange brown) |
[ascm, if apoth] disc, mazaedium: | pruinose |
[ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine | dense |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) | white(ish) |
[ascm, if apoth] margin excipular photobionts: | present |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid cap (= Icmadophila-, Lecidea-, Pertusaria-types etc) |
ascospores: | (low) 2.0 (high) 4.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 25.0 (high) 57.0 |
[asp] width [µm]: | (min) 10.0 (low) 20.0 (high) 38.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | gyrophoric acid | lichesterinic acid | protolichesterinic acid | variolaric acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |