Cenococcum geophilum Fr. + Picea

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– Enlarged view –

Literature

references
  Agerer R, Gronbach E (1988) Cenococcum geohilum. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 11, Einhorn-Verlag, Schwäbisch Gmünd.
Berg B (1989) Charakterisierung und Vergleich von Ektomykorrhizen gekalkter Fichtenbestände. Diss Univ München.
Bücking E (1979) Fichten-Mykorrhizen auf Standorten der Schwäbischen Alb und ihre Bezsiehung zum Befall durch Fomes annosus. Eur J For Pathol 9: 19-35.
Danielson RM, Pruden M (1989) The ectomycorrhizal status of urban spruce. Mycologia 81(3): 335.341.
Gronbach E (1988) Charakterisierung und Identifizierung von Ektomykorrhizen in einem Fichtenbestand mit Untersuchungen zur Merkmalsvariabilität in sauer beregneten Flächen. Bibl Mycol 125: 1-216.
Harniman SMK, Durall DM (1996) Cenococcum Fr. + Picea engelmannii (Perry) Engelm. In Goodman DM, Durall DM, Trofymow JA, Berch SM (eds) Concise descriptions of North American ectomycorrhizae. Mycologue Publications, and Canada
B. C. Forest Resource Development Agreement, Canadian Forest Service, Victoria, B. C., pp CDE10.1-10.4.
Ingleby K, Mason PA, Last FT, Fleming LV(1990)
Identification of ectomycorrhizas. ITE Research Publication no. 5. HMSO, London.
Weiss M (1988) Ektomykorrhizen von Picea abies. Synthese, Ontogenie und Reaktion auf Umweltschadstoffe. Diss Univ München.

Morphology

Morphology of the mycorrhizal system
length
2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
15 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  absent
or    monopodial-pinnate
or    monopodial-pyramidal
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
  solitary or in small numbers
main axis 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)
rhizomorphs presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
or    bent
shape {of distal end}
  not inflated, cylindric
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
0.2 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
  black
very tip colour
  black
older parts colour
  black
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  shiny
mantle surface {in detail} kind
  densely grainy or warty
or    densely woolly
or    loosely woolly
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
or    abundant
emanating hyphae distribution
  not specifically distributed
Morphology of sclerotia
presence
  present
abundance
  infrequent
or    abundant
shape
  globular
or    elongated
diameter
0.25 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
4 mm    Maximum value
colour
  black
formation location
  on single hyphae or in the soil

Anatomy

Anatomical features of the entire mycorrhiza
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  hyphae star-like arranged and tightly glued together (type G)
hyphae hyphal junctions angle {between}
  ca. 45° and less
septa thickness {relative to cell walls}
  thinner than walls
septa clamps presence
  absent
cell pigment location-colour
  membranaceously brownish
cell diameter
2 µm    Minimum value
3 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)
15 µm    Maximum value
cell length
2 µm    Minimum value
4 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 wall thickness
0.2 µm    Minimum value
0.5 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)
4 µm    Maximum value
cell wall surface habit
  smooth
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, without pattern
or    plectenchymatous, star-like
cell pigment location-colour
  colourless
cell diameter
6 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)
12 µm    Maximum value
cell length
2 µm    Minimum value
4 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)
30 µm    Maximum value
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
or    membranaceously yellowish
cell diameter
1 µm    Minimum value
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)
8 µm    Maximum value
cell length
4 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)
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}
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)
mantle thickness {at ectomycorrhizal tip}
30 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)
mantle different layers presence
  discernable
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
3 µm    Minimum value
4 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)
20 µm    Maximum value
outer mantle layer hyphae radially diameter
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)
inner mantle layer organisation
  plectenchymatous
inner mantle layer hyphae tangentially length
2 µm    Minimum value
3 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)
20 µm    Maximum value
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)
7 µm    Maximum value

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)
2     Upper value of unspecified range (could be µ+s.d., but not known)
3     Maximum value
shape
  tangentially-oval, -elliptic or -cylindrical, and oriented in parallel to root axis
tangentially length
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
80 µm    Upper value of unspecified range (could be µ+s.d., but not known)
90 µm    Maximum value
radially diameter
3 µm    Minimum value
4 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)
35 µm    Maximum value
mean tangenial length TCt
58.7 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)
mean shape-ratio TCq
5     Lower value of unspecified range (could be µ-s.d., but not known)
5.8     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
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
90 µm    Upper value of unspecified range (could be µ+s.d., but not known)
99 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
6 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)
36 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
59.1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
73.1 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)
2.5     Lower value of unspecified range (could be µ-s.d., but not known)
3.9     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
structure {in plan view}
  of palmetti type
lobes width
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 of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
outer mantle layer hyphae tangentially length
4 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)
20 µm    Maximum value
outer mantle layer hyphae radially diameter
2 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)
middle mantle layer organisation
  pseudoparenchymatous
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)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
13 µm    Maximum value
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)
7 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)
2     Upper value of unspecified range (could be µ+s.d., but not known)
3     Maximum value
shape
  tangentially-oval to tangentially-elliptic
tangentially length
20 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)
50 µm    Maximum value
radially diameter
3 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)
35 µm    Maximum value
mean tangential length TCt
32.8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35.2 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)
4.1     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    tangentially-oval to tangentially-elliptic
anatomy mantle cross-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)
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 radially diameter
7 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)
36 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
31.3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
32.4 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
1.3     Lower value of unspecified range (could be µ-s.d., but not known)
1.6     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)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section hyphal rows around tannin cells number
  one
or    two
or    three
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
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)
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
intrahyphal hyphae presence
  present
septal pores configuration
  Woronin bodies
anastomoses type
  open, with a short bridge or bridge almost lacking
or    closed by a simple septum, with a short bridge or bridge almost lacking (contact-septum)
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  straight
or    wavy
cell pigment location-colour
  membranaceously brownish
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
side-branches at septum number
  one side-branch at 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
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
anatomy emanating elements emanating hyphae cell diameter
2 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
anatomy emanating elements emanating hyphae cell length
3 µm    Minimum value
10 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)
80 µm    Maximum value
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    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)


Anatomy of the warts occouring on emanating hyphae
presence
  present
length
0 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of sclerotia
internal structure organisation
  pseudoparenchymatous with roundish cells
center structure habit
  compactly filled
Anatomy of haustoria
{of ectomycorrhiza former} presence
  present
{of ectomycorrhiza former} abundance
  occasionally present
shape
  as normal hyphae
or    globular
Anatomy of nuclei
number {per cell}
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)
shape
  round
diameter
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)
3 µm    Maximum value
length
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)

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
  absent
mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

reaction with acid fuchsin presence
  absent
or    present
reaction with anilin presence
  absent
reaction with brillant-cresyl-blue presence
  absent
reaction with cotton-blue-lactic-acid presence
  present
reaction with ethanol 70% presence
  absent
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 phenole presence
  absent
reaction with phenole-aniline presence
  absent
reaction with ruthenium-red presence
  absent

Ecology

geographic occurrence continent
  Europe
or    North America

Tree

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

Remarks

public notes
  Mantle hyphae in cotton-blue with greenish-brown walls, in acid fuchsin walls reddish-brown.

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