Lactarius camphoratus (Bull.) Fr. + Picea

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Literature

references
  Brand F (1991) Ektomykorrhizen an Fagus sylvatica. Charakterisierung und Identifizierung, ökologische Kennzeichnung und unsterile Kultivierung. Libri Bot 2: 1-229.

Morphology

Morphology of the mycorrhizal system
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
  straight
or    bent
shape {of distal end}
  not inflated, cylindric
colour
  brown
or    orange
very tip colour
  brown
or    orange
or    whitish
older parts colour
  brown
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
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
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  smooth
or    glistening
emanating hyphae presence
  absent
Morphology of rhizomorphs
diameter
0.01 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.04 mm    Upper value of unspecified range (could be µ+s.d., but not known)
cross-section shape
  round or roundish
colour
  ochre, yellowish brown
or    whitish
margin habit
  hairy
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
shape
  straight and even
or    worm-like, uneven
ramification presence-abundance
  abundant
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)
11 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
0 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)
hyphal net cell walls habit
  faint, delicate, inconspicuous, rather thin
pores between cells presence
  present
pores between cells abundance
  infrequent
septa clamps presence
  absent
cell pigment location-colour
  membranaceously brownish
cell diameter
10 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
cell length
10 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
cell density
3     Lower value of unspecified range (could be µ-s.d., but not known)
7     Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0 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
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
  membranaceously brownish
cell diameter
2.5 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)
cell contents presence-kind
  absent
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous
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 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell contents presence-kind
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
anatomy mantle outer mantle layer {of ectomycorrhizal tip} hyphae diameter
7 µm    Mean (= average)
anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
19     Mean (= average)
Anatomy of the mantle in longitudinal section



Anatomy of the mantle in cross-section



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}
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 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)
35 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
  absent
contents type
  absent

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)
internal nodia presence
  absent
gelatinous matrix presence
  absent
gelatinized hyphae presence
  absent
a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
diameter
2 µm    Mean (= average)
length
2 µm    Mean (= average)
distance {between each other}
1 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)

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
or    below mosses
soil pH
  acid reaction
geographic occurrence continent
  Europe
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  forests, woods

Fungus

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

Remarks

public notes
  Autofluorescence of mantle in section with UV-filter indistinctly 2-layered with outer layer slightly orange ochre to creme-white and inner layer slightly bluish white; mantle in sulfo-vanillin with slightly dark violet latex.

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