Lactarius serifluus DC. : Fr. + Quercus

– Item listing –

– Enlarged view –

Literature

• references
  Palfner G, Agerer R (1996) Die Ektomykorrhizen von Lactarius chrysorrheus und L. serifluus an Quercus robur. Sendtnera 3: 119-136.

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
25 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pyramidal
• tips {per 10 mm} number
14     Lower value of unspecified range (could be µ-s.d., but not known)
20     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)
2     Upper value of unspecified range (could be µ+s.d., but not known)
• main axis diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• rhizomorphs as stout, short, conical structures presence-abundance
  absent
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
• rhizomorphs presence
  present
• rhizomorphs frequency
  infrequent
Morphology of the unramified ends
• shape
  bent
or    sinuous
• shape {of distal end}
  not inflated, cylindric
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.9 mm    Upper value of unspecified range (could be µ+s.d., but not known)
2.4 mm    Maximum value
• diameter
0.2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  brown
or    orange
• mantle {distinct} surface visibility
  present
• mantle laticifers visibility
  absent
• mantle dots presence-colour
  absent
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  smooth
or    covered with soil particles
• emanating hyphae presence
  present
• emanating hyphae abundance
  infrequent
Morphology of rhizomorphs
• diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.1 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• cross-section shape
  round or roundish
• colour
  brown
or    red
or    whitish
• margin habit
  smooth
• dimorphism presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  rhizomorphs
• blue granules presence
  absent
Anatomy of laticifers
• presence
  absent
or    present
• location
  middle mantle layer
or    rhizomorphs
• shape
  straight and even
• ramification presence-abundance
  abundant
• cell diameter
3 µm    Minimum value
6 µm    Mean (= average)
10 µm    Maximum value
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  pseudoparenchymatous
• organisation {if pseudoparenchymatous} cell shape
  angular
• mantle type
  angular cells bearing a hyphal net (type P)
• hyphal net cells shape
  triangular with obtuse ends
• hyphal net cells diameter
3 µm    Minimum value
7 µm    Mean (= average)
13 µm    Maximum value
• hyphal net cell walls habit
  faint, delicate, inconspicuous, rather thin
and    distinct, rather thick
• pores between cells presence
  absent
• septa thickness {relative to cell walls}
  as thick as walls
• septa clamps presence
  absent
• cell pigment location-colour
  membranaceously brownish
• cell diameter
7 µm    Minimum value
11 µm    Mean (= average)
18 µm    Maximum value
• cell length
6 µm    Minimum value
12 µm    Mean (= average)
25 µm    Maximum value
• cell density
10     Minimum value
12     Mean (= average)
14     Maximum value
• cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall surface habit
  smooth
and    with few soil particles
• cell wall projections presence
  present
• cell wall projections abundance
  infrequent
• cell wall projections shape
  even in thickness
• drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• cell pigment location-colour
  colourless
• cell diameter
3 µm    Minimum value
5 µm    Mean (= average)
6 µm    Maximum value
• cell contents presence-kind
  absent
• cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
or    plectenchymatous with pseudoparenchymatous nests of cells
• hyphae arrangement
  without pattern
• septa clamps presence
  absent
• cell diameter
2 µm    Minimum value
3 µm    Mean (= average)
4 µm    Maximum value
• 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 mantle outer mantle layer {of ectomycorrhizal tip} hyphae diameter
2 µm    Minimum value
5 µm    Mean (= average)
8 µm    Maximum value
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
15     Minimum value
17     Mean (= average)
21     Maximum value
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
10 µm    Minimum value
25 µm    Mean (= average)
40 µm    Maximum value
• mantle different layers presence
  discernable
• outer mantle layer organisation
  pseudoparenchymatous
• outer mantle layer hyphae tangentially length
5 µm    Minimum value
10 µm    Mean (= average)
23 µm    Maximum value
• outer mantle layer hyphae radially diameter
2 µm    Minimum value
4 µm    Mean (= average)
6 µm    Maximum value
• middle mantle layer organisation
  pseudoparenchymatous
• middle mantle layer hyphae tangentially length
2 µm    Minimum value
5 µm    Mean (= average)
10 µm    Maximum value
• middle mantle layer hyphae radially diameter
3 µm    Minimum value
4 µm    Mean (= average)
7 µm    Maximum value
• inner mantle layer organisation
  pseudoparenchymatous
• inner mantle layer hyphae tangentially length
3 µm    Minimum value
5 µm    Mean (= average)
10 µm    Maximum value
• inner mantle layer hyphae radially diameter
2 µm    Minimum value
4 µm    Mean (= average)
5 µm    Maximum value
• laticifers diameter
3 µm    Minimum value
4 µm    Mean (= average)
8 µm    Maximum value

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
  tangentially-oval to -elliptic or -cylindrical, and oriented obliquely
• anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
5 µm    Minimum value
10 µm    Mean (= average)
20 µm    Maximum value
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
35 µm    Minimum value
47 µm    Mean (= average)
55 µm    Maximum value
• anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.18     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
or    cylindrical
• anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
• structure {in plan view}
  of palmetti type
• lobes width
2 µm    Minimum value
3 µm    Mean (= average)
5 µm    Maximum value
Anatomy of the mantle in cross-section
• mantle different layers presence
  discernible
• outer mantle layer organisation
  pseudoparenchymatous
• outer mantle layer hyphae tangentially length
5 µm    Minimum value
10 µm    Mean (= average)
23 µm    Maximum value
• outer mantle layer hyphae radially diameter
2 µm    Minimum value
4 µm    Mean (= average)
6 µm    Maximum value
• middle mantle layer organisation
  pseudoparenchymatous
• middle mantle layer hyphae tangentially length
2 µm    Minimum value
5 µm    Mean (= average)
10 µm    Maximum value
• middle mantle layer hyphae radially diameter
3 µm    Minimum value
4 µm    Mean (= average)
7 µm    Maximum value
• inner mantle layer organisation
  pseudoparenchymatous
• inner mantle layer hyphae tangentially length
3 µm    Minimum value
5 µm    Mean (= average)
10 µm    Maximum value
• inner mantle layer hyphae radially diameter
2 µm    Minimum value
4 µm    Mean (= average)
5 µm    Maximum value

Anatomy of the tannin cells in cross-section
• presence
  absent

Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
12 µm    Minimum value
15 µm    Mean (= average)
19 µm    Maximum value
• anatomy mantle cross-section cortical (epidermal) cells radially diameter
10 µm    Minimum value
14 µm    Mean (= average)
28 µm    Maximum value
• anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
1.07 µm    Mean (= average)

Anatomy of the Hartig net in cross-section
• presence
  present
• kind
  apparently two rows deep
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
or    beaded
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
• lobes width
2 µm    Minimum value
3 µm    Mean (= average)
5 µm    Maximum value
• structure {in plan view}
  of palmetti type
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
• clamps presence
  absent
• clamps hole presence
  absent
• clamps blister-like structure {at basis} presence
  absent




Anatomy of rhizomorphs
• type
  undifferentiated; margins rather smooth; hyphae compactly arranged and of uniform diameter
(type B)
• gelatinized hyphae presence
  absent
• cup-like structures on surface presence
  absent
• a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
• ampullate, trumpet-like inflated presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent
Anatomy of nuclei
• number {per cell}
2     Mean (= average)
• shape
  round
• diameter
1.2 µm    Minimum value
1.5 µm    Mean (= average)
2 µm    Maximum value
• length
1.2 µm    Minimum value
1.5 µm    Mean (= average)
2 µm    Maximum value
• distance {between each other}
0 µm    Minimum value
1.3 µm    Mean (= average)
7 µm    Maximum value

Autofluorescence

• whole mycorrhizae UV 254 nm colour-presence
  absent
• whole mycorrhizae UV 366 nm colour-presence
  absent
• mantle in section UV-filter 340-380 nm presence
  absent
• mantle in section blue-filter, 450-490 nm presence
  present
• mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

• reaction with acid fuchsin presence
  present
• reaction with anilin presence
  absent
• reaction with brillant-cresyl-blue presence
  absent
• reaction with cotton-blue-lactic-acid presence
  absent
• reaction with ethanol 70% presence
  absent
• reaction with FeSO4 presence
  present
• reaction with formol 40% presence
  absent
• reaction with guaiac presence
  present
• reaction with KOH 10% presence
  absent
• reaction with lactic acid presence
  absent
• reaction with Melzer's reagent presence
  absent
• reaction with phenole presence
  absent
• reaction with phenole-aniline presence
  absent
• reaction with ruthenium-red presence
  absent
• reaction with sulpho-vanillin presence
  present

Ecology

• geographic occurrence continent
  Europe
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

• plant family
  Fagaceae
• plant genus
  Quercus
• plant habitat kind
  forests, woods

Fungus

• family
  Russulaceae
• subgenus-section
  Lactarius sect. Russulares
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

• public notes
  Mycorrhizal systems monopodial-pyramidal to irregularly shaped; mycorrhizal ends orange-brown, laticifers only infrequently visible; thin rhizomorphs colourless and hyaline, when thicker then distinctly red-brown; laticifers with infrequent septa; autofluorescence of mantle in section with blue-filter with outer mantle layers orange-brown and inner layers yellow-green; mantle in sulfo-vanillin with wine-red to violet laticifers, in guaiac latex grey-blue, in FeSO4 laticifers olive-green to grey-green, in cotton blue only margins slightly bluish, in acid fuchsin rose to lilac, in safranine deeply red.

– Item listing –