LIAS light – Item Descriptions
LIASlight ItemID: 4652
Phlyctis argena (Spreng.) Flot.
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) |
substrate: | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | crustose (crustaceous) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | grey(ish) | white(ish) | white(ish) grey | grey(ish) white |
[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, squamules): | contiguous, coherent (throughout the thallus) |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | granulose, granular |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (median) 0.4 |
ascoma: | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
[ascm, if apoth] disc, mazaedium: | black(ish) |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | not thickened | thickened |
[asc] tholus amyloidity (iodine reaction): | absent |
ascospores: | (median) 2.0 (max) 4.0 |
[asp] shape: | ellipsoidal |
[asp] length [µm]: | (low) 60.0 (high) 150.0 |
[asp] width [µm]: | (low) 25.0 (high) 50.0 |
[asp] septa: | present |
[asp] septa: | muriformly septate – muriform, submuriform |
[asp] pigmentation: | hyaline, colourless | pale brown | medium brown, brownish |
[asp] perispore, epispore: | not apparent |
secondary metabolites: | present |
secondary metabolites: | norstictic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |