LIAS light – Item Descriptions
LIASlight ItemID: 4446
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Africa (incl Madagascar) | 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) – episubstratal – unspecified |
thallus: | continuous, diffuse, effuse | cracked, fissured, fractured, rimose |
[th] upper surface: | grey(ish) | yellow(ish) green |
[th upper surface]: | epruinose |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | verrucose, warted |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma [mm]: | (low) 1.0 (high) 2.0 |
ascoma: | immersed, innate | subsessile, subimmersed, adnate, semi-immersed, emergent | sessile, superficial |
[ascm, if apoth] disc, mazaedium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) |
[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) 8.0 |
[asp] length [µm]: | (low) 30.0 (high) 75.0 |
[asp] width [µm]: | (low) 15.0 (high) 40.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent | thin, thinly halonate | ornamented, rough, warted, striate, cracked |
secondary metabolites: | present |
secondary metabolites: | 4,5-dichlorolichexanthone (coronatone) | constictic acid | cryptostictic acid | stictic acid |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |