Lactarius lepidotus Smith & Hesler + Alnus

– Item listing –

Literature

• references
  Wiedmer E, Senn-Irlet B (2004) Lactarius lepidotus Smith & Hesler + Alnus viridis (Chaix) DC. Descr Ectomyc 7/8: 45-48.

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
9 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  absent
or    monopodial-pinnate [mostly simple]
• tips {per 10 mm} number
1     Lower value of unspecified range (could be µ-s.d., but not known)
4     Upper value of unspecified range (could be µ+s.d., but not known)
• ramification orders
0     Lower value of unspecified range (could be µ-s.d., but not known)
1     Upper value of unspecified range (could be µ+s.d., but not known)
• abundance
  abundant, dense
• main axis diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.6 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• taste {after 2-3 min chewing}
  unknown
• rhizomorphs as stout, short, conical structures presence-abundance
  absent
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
• rhizomorphs presence
  absent
• exploration type
  contact
Morphology of the unramified ends
• mantle hydrophobicity presence
  absent
• shape
  straight
or    bent
or    tortuous
• shape {of distal end}
  tapering
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.35 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  yellowish [pale yellow]
• very tip colour
  yellowish [pale yellow]
• after injury colour
  unchanged
• older parts colour
  brownish
or    ochre, yellowish brown
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle laticifers visibility
  unknown
• mantle secreted latex {after scratching mantle} presence
  unknown
• mantle secreted latex {after scratching mantle} colour-habit
  unknown
• mantle dots presence-colour
  absent
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  shiny
or    smooth
• mantle surface {in detail} kind
  not applicable
• emanating hyphae presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  absent
• crystals presence
  absent
• blue granules presence
  absent
Anatomy of laticifers
• presence
  present
• location
  inner mantle layer
• shape
  worm-like, uneven
• ramification presence-abundance
  infrequent
• septa presence
  present [infrequently]
• contents colour
  colourless
• cell length
  unknown
• cell diameter
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness
  unknown
• anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells presence
  absent
Anatomical features of the mantle
• completeness
  complete
• matrix presence
  absent
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  pseudoparenchymatous
• organisation {if pseudoparenchymatous} cell shape
  epidermoid, puzzle-like, jig-saw-shaped
• mantle type
  epidermoid cells bearing a hyphal net (type Q)
• hyphal net cells shape
  with ring- or star-like structures
• hyphal net cells diameter
2.5 µm    Minimum value
3.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6 µm    Maximum value
• hyphal net cell walls habit
  distinct, rather thick
• hyphal net clamps presence
  absent
• hyphae arrangement
  not specific
• hyphae sticky matrix on hyphal surface presence
  unknown
• pores between cells presence
  unknown
• pores between cells abundance
  unknown
• septa thickness {relative to cell walls}
  variable
• septa clamps presence
  absent
• cell pigment location-colour
  membranaceously yellowish
• cell contents presence-kind
  absent
• cell diameter
4 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
15 µm    Upper value of unspecified range (could be µ+s.d., but not known)
20 µm    Maximum value
• cell length
4 µm    Minimum value
10 µm    Lower value of unspecified range (could be µ-s.d., but not known)
30 µm    Upper value of unspecified range (could be µ+s.d., but not known)
45 µm    Maximum value
• cell density
5     Lower value of unspecified range (could be µ-s.d., but not known)
12     Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2 µm    Upper value of unspecified range (could be µ+s.d., but not known)
2.5 µm    Maximum value
• cell wall with globular thickenings
  absent
• cell wall surface habit
  smooth
• cell wall projections presence
  present
• cell wall projections abundance
  unknown
• cell wall projections shape
  even in thickness
and    thicker at distal end
• drops of exuded pigment presence
  absent
• pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
• presence
  present
• organisation
  plectenchymatous [transitional to pseudoparenchymatous]
• hyphae arrangement
  plectenchymatous, without pattern
• cell pigment location-colour
  unknown
• cell diameter
3 µm    Minimum value
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
8 µm    Maximum value
• cell length
  unknown
• cell contents presence-kind
  absent
• cell wall thickness
  unknown
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous [loosely]
• hyphae arrangement
  without pattern
• septa thickness
  unknown
• septa clamps presence
  absent
• cell pigment location-colour
  absent
• cell diameter
2 µm    Minimum value
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
7 µm    Maximum value
• cell length
  unknown
• cell contents presence-kind
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  like other parts of mantle
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
20 µm    Minimum value
25 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
80 µm    Maximum value
• mantle thickness {at ectomycorrhizal tip}
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 µm    Upper value of unspecified range (could be µ+s.d., but not known)
65 µm    Maximum value
• calyptra cell remnants presence
  unknown
• calyptra cell remnants type
  unknown
• mantle different layers presence
  discernable
• outer mantle layer organisation
  pseudoparenchymatous
• outer mantle layer hyphae tangentially length
2.5 µm    Minimum value
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
15 µm    Maximum value
• outer mantle layer hyphae radially diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
5 µm    Maximum value
• middle mantle layer presence
  present
• middle mantle layer organisation
  plectenchymatous
• middle mantle layer hyphae tangentially length
4 µm    Minimum value
6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)
30 µm    Maximum value
• middle mantle layer hyphae radially diameter
2 µm    Minimum value
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
15 µm    Maximum value
• inner mantle layer organisation
  plectenchymatous
• inner mantle layer hyphae tangentially length
3 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
25 µm    Upper value of unspecified range (could be µ+s.d., but not known)
50 µm    Maximum value
• inner mantle layer hyphae radially diameter
2 µm    Minimum value
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
7 µm    Maximum value
• laticifers diameter
  unknown

Anatomy of the tannin cells in longitudinal section
• presence
  absent

Anatomy of the cortical cells in longitudinal section
• anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic, oriented obliquely
• anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
10 µm    Minimum value
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
29.7 µm    Mean (= average)
• anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
1.2     Mean (= average)

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  paraepidermal
• anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
• anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
  unknown
• anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
• structure {in plan view}
  of palmetti type
• lobes width
2.5 µm    Minimum value
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
7 µm    Maximum value
• lobes septa presence
  unknown
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
• clamps presence
  absent




Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent

Autofluorescence

• whole mycorrhizae UV 254 nm colour-presence
  absent
• whole mycorrhizae UV 366 nm colour-presence
  absent

Chemical reactions

• reaction with FeSO4 presence
  absent
• reaction with guaiac presence
  absent
• reaction with KOH 10% presence
  absent
• reaction with lactic acid presence
  absent
• reaction with Melzer's reagent presence
  absent
• reaction with sulpho-vanillin presence
  present [laticifers turn dark blue]
• reaction with toluidin blue presence
  absent

Ecology

• substrate
  in organic layer
• geographic occurrence continent
  Europe
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

• plant family
  Betulaceae
• plant genus
  Alnus
• plant habitat kind
  forests, woods

Fungus

• family
  Russulaceae
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

– Item listing –