LIAS light – Item Descriptions
LIASlight ItemID: 5165
Pycnothelia papillaria (Ehrh.) Dufour
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Eurasia – Asia Extratropical | Eurasia – Europe | Americas – North America (incl Mexico) | Americas – South and Central America | Arctic |
| substrate: | soil, clay, humus, turf, detritus, dead leaves | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | crustose (crustaceous) – episubstratal – unspecified | subfruticose (subfruticous), fruticulose, dactyliform | fruticose (fruticous), shrub-like, beard-like |
| thallus: | granular, granulose, granulate |
| [th] upper surface: | grey(ish) | white(ish) | green(ish) grey | grey(ish) white | yellow(ish) white (ivory, off-white, cream-coloured) |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 1.5 (max) 2.0 |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | smooth, plane | uneven, undulate |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.3 (high) 0.5 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | convex |
| [ascm, if apoth] disc, mazaedium: | red(dish) brown (if pale: orange brown) |
| [ascm, if apoth] disc, mazaedium: | epruinose |
| [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] shape: | elongate-fusiform, ellipsoidal-fusiform |
| [asp] length [µm]: | (low) 9.0 (high) 15.0 |
| [asp] width [µm]: | (low) 2.0 (high) 3.5 |
| [asp] septa: | absent – spore lumen unilocular, monolocular | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (low) 1.0 (high) 3.0 |
| [asp] pigmentation: | hyaline, colourless |
| [asp] perispore, epispore: | not apparent |
| conidiomata: | absent | present |
| conidia: | fusiform | [cur] – curved, unciform, falcate, sickle-shaped |
| [co] length [µm]: | (low) 8.0 (high) 14.0 |
| secondary metabolites: | present |
| secondary metabolites: | atranorin | chloroatranorin | lichesterinic acid | protolichesterinic acid | squamatic acid | unknown/unidentified compound(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |