
LIAS light – Item Descriptions
LIASlight ItemID: 1433
Characters[*]: | Character States[*]: |
---|---|
global occurrence: | Americas – North America (incl Mexico) |
substrate: | soil, clay, humus, turf, detritus, dead leaves |
life habit: | lichenized (mutualistic with algal photobionts) |
thallus: | squamulose (squamulous) | fruticose (fruticous), shrub-like, beard-like |
[th] upper surface: | grey(ish) | green(ish) | yellow(ish) (if dull: buff) | green(ish) grey |
[th marginal and upper surface] specific structures: | absent |
[th] morphol substructures (eg areoles, lobes, branches) upper surface: | verruculose, minutely warted | squamulose |
[th] lower surface: | white(ish) |
ascomata: | absent | present |
ascoma: | apothecial, apothecioid – hymenial |
ascoma: | pedicellate, stipitate, pedunculate, stalked |
[ascm, if apoth] disc, mazaedium: | yellow(ish) (if dull: buff) | red(dish) yellow (orange, orange yellow) |
[ascm] paraphyses/-oids: | present |
asci: | lecanoralean |
[asc] tholus: | thickened |
[asc] tholus amyloidity (iodine reaction): | present |
[asc] tholus amyloidity pattern: | with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc) |
ascospores: | (median) 8.0 |
[asp] septa: | absent – spore lumen unilocular, monolocular |
[asp] pigmentation: | hyaline, colourless |
[asp] perispore, epispore: | not apparent |
conidiomata: | absent | present |
secondary metabolites: | present |
secondary metabolites: | barbatic acid | didymic acid | usnic acid | unknown/unidentified compound(s) |
primary photobiont: | present |
secondary photobionts (eg in cephalodia): | absent |
primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |