Cenococcum geophilum Fr. + Eucalyptus

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Literature

references
  Chilvers GA (1968) Some distinctive types of eucalypt mycorrhiza. Aust J Bot 16: 49-70.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  absent
ramification orders
0     Mean (= average)
1     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
exploration type
  short distance
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
or    inflated, club-shaped
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  black
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle surface {in general} habit
  shiny
or    not smooth
mantle surface {in detail} kind
  loosely woolly
emanating hyphae presence
  present
emanating hyphae abundance
  abundant
Morphology of sclerotia
presence
  present
abundance
  abundant
shape
  globular
diameter
0.2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
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
and    pseudoparenchymatous
mantle type
  hyphae star-like arranged and tightly glued together (type G)
septa clamps presence
  absent
cell pigment location-colour
  membranaceously brownish
cell diameter
5 µm    Minimum value
6 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)
10 µm    Maximum value
cell length
5 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 thickness
1 µm    Mean (= average)
Anatomy of the inner mantle layer
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)
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
20 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)
mantle different layers presence
  not discernable
outer mantle layer organisation
  pseudoparenchymatous
middle mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  pseudoparenchymatous


Anatomy of the cortical cells in longitudinal section
anatomy mantle longitudinal section cortical (epidermal) cells shape
  radially-oval to -elliptic, oriented obliquely

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  paraepidermal
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) 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 longitudinal section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the mantle in cross-section
mantle different layers presence
  not discernible
outer mantle layer organisation
  pseudoparenchymatous
middle mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  pseudoparenchymatous


Anatomy of the cortical cells in cross-section
anatomy mantle cross-section cortical (epidermal) cells shape
  radially-oval to -elliptic

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)
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
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
cell pigment location-colour
  membranaceously brownish
or    epimembranaceously brownish


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


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell diameter
3 µm    Minimum value
4 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)
6 µm    Maximum value
anatomy emanating elements emanating hyphae cell length
50 µm    Mean (= average)
anatomy emanating elements emanating hyphae cell wall surface habit
  rough of warts
anatomy emanating elements emanating hyphae cell wall surface structures shape
  epimembranaceous pigment, as irregularly shaped bands
anatomy emanating elements emanating hyphae cell wall thickness
1 µm    Mean (= average)


Anatomy of rhizomorphs
type
  lacking, only emanating hyphae present
(type G)

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of sclerotia
internal structure organisation
  pseudoparenchymatous with angular cells
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent

Ecology

geographic occurrence continent
  Australia

Tree

plant family
  Myrtaceae
plant genus
  Eucalyptus
plant habitat kind
  forests, woods

Remarks

public notes
  Cells of sclerotia 5-8 um in diam..

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