
LIAS light – Item Descriptions
LIASlight ItemID: 4559
Pertusaria velata (Turner) Nyl.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) |
substrate: | bark, cork, plant surface – trunks, branches, twigs | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | cracked, fissured, fractured, rimose | compartimentized – areolate, squamulate |
[th] upper surface: | grey(ish) | yellow(ish) grey | white(ish) grey | white(ish) green | grey(ish) white | yellow(ish) white (ivory, off-white, cream-coloured) |
[th upper surface]: | pruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | rugose, plicate, folded, pustulate, faveolate, wrinkled |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 0.5 (high) 0.8 (max) 1.0 |
ascoma: | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded | subconvex, slightly convex | convex |
[ascm, if apoth] disc, mazaedium: | red(dish) | yellow(ish) red (orange red) | red(dish) white (pink) |
[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: | red(dish) | white(ish) | yellow(ish) red (orange red) | red(dish) white (pink) |
[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: | (median) 1.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (min) 110.0 (low) 130.0 (high) 210.0 (max) 325.0 |
[asp] width [µm]: | (min) 24.0 (low) 28.0 (high) 45.0 (max) 57.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | gyrophoric acid | lecanoric acid | lichexanthone | orsellinic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |