Cenococcum geophilum Fr. + Quercus

– Item listing –

– Enlarged view –

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.

– Item listing –