Cenococcum geophilum Fr. + Quercus

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Literature

• references
  Palfner G (1994) Charakterisierung und Identifizierung einiger Ektomykorrhizen an Eiche (Quercus robur L.) in Slowenien. Dipl thesis Univ München.

Morphology

Morphology of the mycorrhizal system
• ramification presence-type
  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)
• 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
• colour
  black
or    grey
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle laticifers visibility
  present
• mantle dots presence-colour
  absent
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  not smooth
• mantle surface {in detail} kind
  densely grainy or warty
or    loosely woolly
Morphology of sclerotia
• presence
  present
• abundance
  abundant

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)
• septa clamps presence
  absent
• cell pigment location-colour
  membranaceously brownish
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• septa clamps presence
  absent
Anatomy of the mantle in longitudinal section
• mantle different layers presence
  not discernable
• outer mantle layer organisation
  pseudoparenchymatous
• middle mantle layer organisation
  pseudoparenchymatous
• inner mantle layer organisation
  pseudoparenchymatous

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 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 Hartig net in cross-section
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
or    beaded
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
• backwards-oriented clamps presence
  absent
Anatomy of cystidia


Anatomy of emanating hyphae
• cell pigment location-colour
  membranaceously 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 wall surface habit
  smooth
or    rough of warts


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

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent

Ecology

• geographic occurrence continent
  Europe

Tree

• plant family
  Fagaceae
• plant genus
  Quercus
• plant habitat kind
  forests, woods

Remarks

• public notes
  Mycorrhizal ends black or grey-black; in longitudinal section mantle with some nests of smaller cells, Hartig net 1 cortical cell layer deep, in cross-section 2-3.

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