Russula ochroleuca (Pers.) Fr. + Picea

– Item listing –

– Enlarged view –

Literature

references
  Agerer R (1986) Studies on ectomycorrhizae III. Mycorrhizae formed by four fungi in the generea Lactarius and Russula on spruce. Mycotaxon 27: 1-59.
Agerer R (1987) Russula ochroleuca. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 1, Einhorn-Verlag, Schwäbisch Gmünd.
Berg B (1989) Charakterisierung und Vergleich von Ektomykorrhizen gekalkter Fichtenbestände. Diss Univ München.
Gronbach E (1988) Charakterisierung und Identifizierung von Ektomykorrhizen in einem Fichtenbestand mit Untersuchungen zur Merkmalsvariabilität in sauer beregneten Flächen. Bibliotheca Mycologica 125: 1-216.
Haug I, Pritsch K (1992) Ectomycorrhizal types of spruce (Picea abies (L.) Karst.) in the Black Forest, a microscopical atlas. Kernforschungszentum, Karlsruhe.
Pillukat A (1991) Vergleichende Untersuchung der Ektomykorrhizen von Russula ochroleuca und Paxillus involutus an verschiedenen Baumarten. Dipl Thesis, Univ München.
Pillukat A, Agerer R (1992) Studien an Ektomykorrhizen XL. Vergleichende Untersuchungen zur baumbezogenen Variabilität der Ektomykorrhizen von Russula ochroleuca. Z Mykol 58(2): 211-242.

Morphology

Morphology of the mycorrhizal system
length
2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
24 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pinnate
or    monopodial-pyramidal
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)
abundance
  solitary or in small numbers
main axis diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1 mm    Upper value of unspecified range (could be µ+s.d., but not known)
1.5 mm    Maximum value
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
or    present
rhizomorphs frequency
  infrequent
exploration type
  contact
Morphology of the unramified ends
shape
  straight
or    bent
shape {of distal end}
  not inflated, cylindric
or    tapering
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
5.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
diameter
0.3 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)
colour
  brown
or    yellow
or    green
very tip colour
  yellowish
or    whitish
older parts colour
  brown
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  yellowish or greenish
mantle carbonizing presence
  present
mantle surface {in general} habit
  smooth
mantle surface {in detail} kind
  densely grainy or warty
or    loosely grainy or warty
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
Morphology of rhizomorphs
cross-section shape
  round or roundish
colour
  yellow
ramification kind-frequency
  frequently, at restricted points
margin habit
  smooth
dimorphism presence
  present
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
Anatomical features of the mantle
matrix presence
  present
matrix location
  outer mantle layer {of ectomycorrhizal tip}
or    middle mantle layer
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  pseudoparenchymatous
organisation {if pseudoparenchymatous} cell shape
  angular
mantle type
  angular cells and mounds of flattened cells (type O)
mound cells diameter
3 µm    Minimum value
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)
15 µm    Maximum value
mound cells granular contents
  present
pores between cells presence
  absent
and    present
pores between cells abundance
  infrequent
septa thickness {relative to cell walls}
  as thick as walls
septa clamps presence
  absent
cell pigment location-colour
  absent
and    membranaceously yellowish
and    plasmatically yellowish
cell diameter
2.5 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
17 µm    Upper value of unspecified range (could be µ+s.d., but not known)
26 µm    Maximum value
cell length
4 µm    Minimum value
6 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 density
4     Minimum value
6     Lower value of unspecified range (could be µ-s.d., but not known)
9     Upper value of unspecified range (could be µ+s.d., but not known)
11     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)
2.5 µm    Maximum value
cell wall with globular thickenings
  absent
cell wall surface habit
  smooth
and    rough
and    with few crystals
cell wall projections presence
  absent
drops of exuded pigment presence
  present
Anatomy of the middle mantle layer
organisation
  plectenchymatous
or    pseudoparenchymatous
matrix kind
  not gelatinous
hyphae arrangement
  plectenchymatous, without pattern
cell pigment location-colour
  colourless
cell diameter
2.5 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)
18 µm    Maximum value
cell length
6 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 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
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell pigment location-colour
  absent
cell diameter
1.5 µm    Minimum value
2 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)
5.5 µm    Maximum value
cell length
7 µm    Minimum value
15 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)
49 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
  pseudoparenchymatous
anatomy mantle outer mantle layer {of ectomycorrhizal tip} matrix kind
  not gelatinous
anatomy mantle outer mantle layer {of ectomycorrhizal tip} hyphae diameter
2 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)
anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
15     Minimum value
18     Lower value of unspecified range (could be µ-s.d., but not known)
23     Upper value of unspecified range (could be µ+s.d., but not known)
29     Maximum value
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
20 µm    Minimum value
30 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)
54 µm    Maximum value
mantle different layers presence
  discernable
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
2.5 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
24 µm    Upper value of unspecified range (could be µ+s.d., but not known)
35 µm    Maximum value
outer mantle layer hyphae radially diameter
1.5 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)
14 µm    Maximum value
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
3 µm    Minimum value
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
23 µm    Upper value of unspecified range (could be µ+s.d., but not known)
35 µm    Maximum value
middle mantle layer hyphae radially diameter
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)
14 µm    Maximum value
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
1 µm    Minimum value
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
25 µm    Maximum value
inner mantle layer hyphae radially diameter
1 µm    Minimum value
2 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)

Anatomy of the tannin cells in longitudinal section
presence
  present
rows number
1     Lower value of unspecified range (could be µ-s.d., but not known)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval to -elliptic or -cylindrical, and oriented obliquely
or    tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
22 µm    Minimum value
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
100 µm    Upper value of unspecified range (could be µ+s.d., but not known)
125 µm    Maximum value
radially diameter
5 µm    Minimum value
8 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)
40 µm    Maximum value
mean tangenial length TCt
49 µm    Lower value of unspecified range (could be µ-s.d., but not known)
74.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mean shape-ratio TCq
3.5     Lower value of unspecified range (could be µ-s.d., but not known)
5.5     Upper value of unspecified range (could be µ+s.d., but not known)

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
22 µm    Minimum value
40 µm    Lower value of unspecified range (could be µ-s.d., but not known)
100 µm    Upper value of unspecified range (could be µ+s.d., but not known)
140 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
9 µm    Minimum value
13 µm    Lower value of unspecified range (could be µ-s.d., but not known)
34 µm    Upper value of unspecified range (could be µ+s.d., but not known)
50 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
54 µm    Lower value of unspecified range (could be µ-s.d., but not known)
89.2 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)
2.6     Lower value of unspecified range (could be µ-s.d., but not known)
3.7     Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
anatomy mantle longitudinal section hyphal cells around tannin cells shape
  roundish
anatomy mantle longitudinal section hyphal cells around tannin 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)
12 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around tannin cells number
  one
or    two
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
structure {in plan view}
  of palmetti type
Anatomy of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
3 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)
27 µm    Maximum value
outer mantle layer hyphae radially diameter
1.5 µm    Minimum value
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)
11 µm    Maximum value
middle mantle layer organisation
  pseudoparenchymatous
middle mantle layer hyphae tangentially length
3 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)
11 µm    Maximum value
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
1 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)
23 µm    Maximum value
inner mantle layer hyphae radially diameter
1 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)
5.5 µm    Maximum value

Anatomy of the tannin cells in cross-section
presence
  present
rows number
1     Lower value of unspecified range (could be µ-s.d., but not known)
3     Upper value of unspecified range (could be µ+s.d., but not known)
shape
  tangentially-oval to tangentially-elliptic
tangentially length
13 µm    Minimum value
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
55 µm    Upper value of unspecified range (could be µ+s.d., but not known)
70 µm    Maximum value
radially diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
22 µm    Upper value of unspecified range (could be µ+s.d., but not known)
25 µm    Maximum value
mean tangential length TCt
29.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
31.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mean shape-ratio TCq
1.1     Lower value of unspecified range (could be µ-s.d., but not known)
2.3     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
  rectangular
or    round
or    radially-oval to -elliptic
or    tangentially-oval to tangentially-elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
9 µm    Minimum value
16 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)
60 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
13 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)
50 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
21.6 µm    Lower value of unspecified range (could be µ-s.d., but not known)
27 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
0.9     Lower value of unspecified range (could be µ-s.d., but not known)
1.3     Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in cross-section
presence
  present
kind
  protruding towards endodermis
anatomy mantle cross-section hyphal cells around tannin cells shape
  roundish
anatomy mantle cross-section hyphal cells around tannin 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)
10 µm    Maximum value
anatomy mantle cross-section hyphal rows around tannin cells number
  one
or    two
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)
4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6 µm    Maximum value
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
structure {in plan view}
  of palmetti type
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  absent
septal pores configuration
  globular thickenings
anastomoses type
  open, with a short bridge or bridge almost lacking
anastomoses cell wall thickness {relative to remaining cell walls}
  thinner than
anastomoses location
  not specified
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
cell pigment location-colour
  absent
or    membranaceously yellowish
or    plasmatically yellowish
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
presence
  present
kind
  acute
distance {from septum}
  adjacent to septum

Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  even
or    with ellbow-like protrusions
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
or    ramified
anatomy emanating elements emanating hyphae cell diameter
1 µm    Minimum value
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)
4 µm    Maximum value
anatomy emanating elements emanating hyphae cell length
8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
70 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    rough of warts
or    without lens-shaped appositions
or    without spindle-shaped appositions
anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Minimum value
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)
1.5 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall}
  thinner
anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness
  even in thickness


Anatomy of rhizomorphs
type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
or    differentiated; some hyphae very thick, which appear randomly distributed, pores of septa somtimes enlarged
(type D)
nodia presence
  absent
internal nodia presence
  absent
gelatinized hyphae presence
  absent
cup-like structures on surface presence
  absent
conical young side-branches 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
{in foreign ectomycorrhizae} presence
  absent
{of foreign origin} presence
  absent
or    present
{of foreign origin} frequency
  occasionally present
shape
  globular
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
or    oval
diameter
1.5 µm    Minimum value
2 µm    Mean (= average)
3 µm    Maximum value
length
1.5 µm    Minimum value
2 µm    Mean (= average)
3 µm    Maximum value
Anatomy of siderophilous granulations
presence
  absent
Ultrastructure
septal pores type
  as dolipores with perforated parenthesome
mantle matrix presence-kind
  absent

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
mantle in section blue-filter, 450-490 nm presence
  present
mantle in section green-filter, 530-560 nm presence
  present

Chemical reactions

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

Ecology

geographic occurrence continent
  Europe

Tree

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

Fungus

family
  Russulaceae
subgenus-section
  Russula sect. Ingratae
subsection
  Russula sect. Ingratae subsect. Felleinae
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Mycorrhizal systems irregularly monopodial-pyramidal to infrequently monopodial-pinnate; mycorrhizal ends sometimes slightly bent, dark yellow or yellow to yellowish-olive to olive-brown, older parts olive brown to brown to grey-brown or greyish-olive to grey-brown; middle mantle layers in plan view of a transitional type between pseudoparenchymatous and plectenchymatous; autofluorescenc of mantle in section with UV-filter in outer parts slightly greenish-yellow to yellowish-ochre, inner parts bueish-white, with blue-filter in outer parts yellow, inner parts bluish white, with green-filter slightly red throughout; mantle in KOH with red- to yellow-brown cell heaps, in brillant-cresyl-blue bright blue, after treatment with water blue, in toluidin-blue violet-blue, in cotton-blue cell walls slightly blue, in phenole dirty yellowish-green; nuclei lying close together.

– Item listing –