LIAS light – Item Descriptions
LIASlight ItemID: 7249
Dirinaria confluens (Fr.) D. D. Awasthi
| Characters[*]: | Character States[*]: |
|---|---|
| global occurrence: | Africa (incl Madagascar) | Oceania – Australasia | Americas – North America (incl Mexico) | Americas – South and Central America | Oceania – Pacific Islands (Melanesia, Micronesia, Polynesia) | Eurasia – Asia Tropical |
| substrate: | wood – dead, living | bark, cork, plant surface – trunks, branches, twigs | rock – siliceous, siliciferous, acidic | rock, stones, pebbles – unspecified |
| life habit: | lichenized (mutualistic with algal photobionts) |
| thallus: | foliose (foliaceous), leaf-like |
| [th] upper surface: | grey(ish) | white(ish) | black(ish) grey | blue(ish) grey | yellow(ish) grey |
| [th upper surface]: | epruinose | pruinose |
| [th upper surface] pruina: | scarce, sparse, fine |
| [th marginal and upper surface] specific structures: | absent |
| [th] morphol substructures (eg areoles, lobes, branches) width [mm]: | (low) 0.5 (high) 2.5 |
| [th] morphol substructures (eg areoles, squamules): | distantly discontiguous |
| [th] morphol substructures (eg areoles, lobes, branches) upper surface: | rugose, plicate, folded, pustulate, faveolate, wrinkled | pseudocyphellate, with pseudocyphellae |
| [th] morphol substructures (eg lobes, branches): | subdichotomous |
| [th] lower surface: | black(ish) |
| [th lower surface] specific structures: | absent |
| ascomata: | absent | present |
| ascoma: | apothecial, apothecioid – hymenial |
| ascoma [mm]: | (low) 0.5 (high) 1.0 (max) 2.0 |
| ascoma: | sessile, superficial |
| [ascm, if apoth] disc, mazaedium: | plane, flat, flattened, expanded |
| [ascm, if apoth] disc, mazaedium: | black(ish) |
| [ascm, if apoth] disc, mazaedium: | epruinose | pruinose |
| [ascm, if apoth] disc, mazaedium pruina: | scarce, sparse, fine |
| [ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: | grey(ish) |
| [ascm, if apoth] margin excipular photobionts: | present |
| [ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) | brown(ish) black |
| [ascm] paraphyses/-oids: | present |
| [ascm] epihymenium, epithecium: | brown(ish) (if pale: fawn, tan; if mid: cinnamon) |
| asci: | lecanoralean |
| [asc] tholus: | thickened |
| [asc] tholus amyloidity (iodine reaction): | present |
| [asc] tholus amyloidity pattern: | amyloid with acuate axial body towards the apex (= Bacidia-, Buellia-, Ramalina-types etc) |
| ascospores: | (median) 8.0 |
| [asp] shape: | ellipsoidal | narrowly ellipsoidal |
| [asp] length [µm]: | (low) 15.0 (high) 19.0 (max) 24.0 |
| [asp] width [µm]: | (low) 6.0 (high) 7.0 (max) 10.0 |
| [asp] septa: | present |
| [asp] septa: | transversely septate |
| [asp] transversal septa: | (median) 1.0 |
| [asp] pigmentation: | medium brown, brownish |
| [asp] perispore, epispore: | ornamented, rough, warted, striate, cracked |
| conidiomata: | absent | present |
| conidia: | bacilliform, bacillar |
| [co] length [µm]: | (low) 4.0 (high) 5.0 |
| secondary metabolites: | present |
| secondary metabolites: | 3β-acetoxyhopane-1β,22-diol | atranorin | chloroatranorin | divaricatic acid | unknown/unidentified (tri-)terpenoid(s), (tri-)terpene(s) |
| primary photobiont: | present |
| secondary photobionts (eg in cephalodia): | absent |
| primary photobiont: | chlorophytaceous – trebouxiaceous, chlorococcoid |