LiasLight

LIAS light – Item Descriptions


LIASlight ItemID: 3378

Leptogium adpressum Nyl.

Characters[*]:Character States[*]:
global occurrence: Africa (incl Madagascar) | Americas – North America (incl Mexico) | Americas – South and Central America | Eurasia – Asia Tropical
substrate: wood – dead, living | bark, cork, plant surface – trunks, branches, twigs
life habit: lichenized (mutualistic with algal photobionts)
thallus: foliose (foliaceous), leaf-like
[th] upper surface: grey(ish) | green(ish) grey
[th upper surface]: epruinose
[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: absent
[th] morphol substructures (eg areoles, lobes, branches) width [mm]: (low) 1.0 (high) 2.0 (max) 3.0
[th] morphol substructures (eg areoles, squamules): contiguous, coherent (throughout the thallus)
[th] lower surface: grey(ish) | green(ish) grey
[th lower surface] specific structures: absent | present
[th lower surface] rhizines, rhizoid structures: absent
ascomata: absent | present
ascoma: apothecial, apothecioid – hymenial
ascoma [mm]: (min) 0.5 (low) 1.0 (high) 2.5 (max) 3.0
ascoma: sessile, superficial
[ascm, if apoth] disc, mazaedium: concave | plane, flat, flattened, expanded | subconvex, slightly convex
[ascm, if apoth] disc, mazaedium: red(dish) brown (if pale: orange brown)
[ascm, if apoth] disc, mazaedium: epruinose
[ascm, if apoth] margin surface; [if perith] periostiolar area, ostiole, involucrellum: grey(ish) | green(ish) grey
[ascm, if apoth] margin excipular photobionts: present | abundant
[ascm, if apoth] subhymenial layers, hypothecium; [if perith] basal excipulum: yellow(ish) (if dull: buff)
[ascm] paraphyses/-oids: present
[ascm] paraphyses/-oid cells width [µm]: (median) 1.5
[ascm] paraphyses/-oid apical cells width [µm]: (low) 1.5 (high) 2.0
[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: with amyloid tube, ring (= Collema-, Micarea-, Porpidia-, Psora-types etc)
ascospores: (median) 8.0
[asp] shape: acicular (needle-shaped)
[asp] length [µm]: (min) 43.0 (low) 50.0 (high) 85.0
[asp] width [µm]: (low) 3.0 (high) 5.0
[asp] septa: present
[asp] septa: transversely septate
[asp] transversal septa: (low) 7.0 (high) 11.0 (max) 18.0
[asp] pigmentation: hyaline, colourless
[asp] perispore, epispore: not apparent
secondary metabolites: absent
primary photobiont: present
secondary photobionts (eg in cephalodia): absent
primary photobiont: cyanobacterial

[*] Not all (synonymous, equivalent or similar) terms being provided in parallel for a character or character state (e.g. 'endosubstratal, inconspicuous, immersed') need to be valid for the taxon under concern.


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