Lactarius rubrocinctus Fr. + Fagus

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– Enlarged view –

Literature

references
  Brand F (1991) Ektomykorrhizen an Fagus sylvatica. Charakterisierung und Identifizierung, ökologische Kennzeichnung und unsterile Kultivierung. Libri Botanici 2: 1-229.
Brand F (1991) Lactarius rubrocinctus. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 60, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
10 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pyramidal
tips {per 10 mm} number
2     Minimum value
6     Lower value of unspecified range (could be µ-s.d., but not known)
14     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)
0.7 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
shape {of distal end}
  not inflated, cylindric
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
5 mm    Maximum value
diameter
0.25 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)
colour
  brown
or    ochre, yellowish brown
or    orange
very tip colour
  ochre, yellowish brown
or    orange
older parts colour
  dark brown
or    brown
or    orange
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  present
mantle secreted latex {after scratching mantle} presence
  present
mantle secreted latex {after scratching mantle} colour-habit
  white, remaining white after some minutes
mantle dots presence-colour
  reddish
mantle carbonizing presence
  absent
mantle surface {in general} habit
  smooth
or    glistening
emanating hyphae presence
  absent
Morphology of rhizomorphs
diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.06 mm    Upper value of unspecified range (could be µ+s.d., but not known)
dimorphism presence
  absent
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
or    cystidia
emanating elements cystidia location
  on outer mantle layer
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
or    present
location
  middle mantle layer
or    rhizomorphs
shape
  straight and even
cell diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
14 µm    Maximum value
anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells presence
  present
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
  some cells containing droplets, staining in sulpho-vanillin; shape variable (type N)
and    angular cells bearing a hyphal net (type P)
hyphal net cells shape
  not specialized
hyphal net cells diameter
2 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)
hyphal net cell walls habit
  faint, delicate, inconspicuous, rather thin
pores between cells presence
  absent
septa thickness {relative to cell walls}
  as thick as walls
septa clamps presence
  absent
cell pigment location-colour
  membranaceously yellowish
and    membranaceously brownish
cell diameter
9 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)
cell length
9 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)
cell density
4     Lower value of unspecified range (could be µ-s.d., but not known)
8     Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.2 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
cell wall projections presence
  present
cell wall projections abundance
  infrequent
and    abundant
cell wall projections shape
  even in thickness
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, star-like
cell pigment location-colour
  membranaceously yellowish
or    membranaceously brownish
cell diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell pigment location-colour
  absent
cell diameter
2.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
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
6 µm    Mean (= average)
anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
22     Mean (= average)
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
35 µm    Lower value of unspecified range (could be µ-s.d., but not known)
60 µm    Upper value of unspecified range (could be µ+s.d., but not known)
70 µm    Maximum value
mantle thickness {at ectomycorrhizal tip}
40 µm    Mean (= average)
mantle different layers presence
  discernable
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer hyphae radially diameter
5 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)
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
2 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)

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
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
36 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
25 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)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.4     Minimum value
0.6     Mean (= average)
1.4     Maximum value

Anatomy of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12 µm    Upper value of unspecified range (could be µ+s.d., but not known)
middle mantle layer hyphae radially diameter
5 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)
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
12 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
2 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)


Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells shape
  round
or    radially-oval to -elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
14 µm    Lower value of unspecified range (could be µ-s.d., but not known)
26 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section cortical (epidermal) cells radially diameter
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
33 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
0.6     Minimum value
0.8     Mean (= average)
1.4     Maximum value

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
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)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
lobes width
2 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)
structure {in plan view}
  of palmetti type
Anatomy of the emanating elements in general
septal pores configuration
  dolipore-like structures
backwards-oriented clamps presence
  absent
anastomoses type
  open, with a short bridge or bridge almost lacking
Anatomy of cystidia

Anatomy of cystidia (type 1)
type
  thin-walled, slightly tapering, often rather similar to ends of normal hyphae, but mostly originating from a pseudoparenchyma (type O)
septa presence
  absent
septa kind
  absent, with basal clamp only
diameter {proximal}
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
0 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)
cell wall colour
  absent
cell wall colour {relative to mantle cells}
  lacking or less intense
cell wall thickness
0.2 µm    Mean (= average)
cell wall thickness {relative to mantle cells}
  thinner
cell wall evenness
  even in thickness
surface habit
  smooth
contents presence
  present
contents type
  brownish, with latex-like droplets

Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
clamps 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
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
diameter
1.5 µm    Mean (= average)
length
1.5 µm    Mean (= average)

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
  present

Chemical reactions

reaction with acid fuchsin presence
  absent
reaction with anilin presence
  absent
reaction with cotton-blue-lactic-acid presence
  absent
reaction with ethanol 70% presence
  absent
reaction with FeSO4 presence
  absent
reaction with formol 40% presence
  absent
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

substrate
  in organically enriched mineral horizon
geographic occurrence continent
  Europe
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Fagaceae
plant genus
  Fagus
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 irregularly monopodial-pyramidal; mycorrhizal ends light ochre-orange to darker orange-brown, very tips lighter coloured or like other parts, older parts darker orange-brown; pripheral hyphae of rhizomorphs with slightly ochre to orange-red walls; in longitudinal and cross-section Hartig net 1-2 cortical cell layers deep; autofluorescence of mantle in section with UV-filter indistinctly 3-layered with outer layers orange-ochre, middle layers yellowish white and inner layers bluish white; mantle in sulfo-vanillin with latex of laticifers and of outer mantle layer cells blackish-violet, mantle macroscopically with blackish dots.

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