Cortinarius armillatus (A. & S. : Fr.) Fr. + Betula

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Literature

• references
  Cuvelier J-J (1990) Caracterisation des ectomycorhizes de Betula pendula (I): Cortinarius armillatus, Dermocybe phoenicea et Amanita muscaria. Belg J Bot 123: 73-91.
Cuvelier J-J, Agerer R (1991) Cortinarius armillatus. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 52, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
• ramification presence-type
  monopodial-pinnate
or    irregularly pinnate, dichotomous-like
• 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)
• main axis diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.48 mm    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
  present
• rhizomorphs frequency
  abundant
• exploration type
  medium distance fringe
Morphology of the unramified ends
• shape
  bent
or    sinuous
• shape {of distal end}
  not inflated, cylindric
• colour
  lilac, light reddish blue
or    white
• very tip colour
  brown
or    orange
• 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
  silvery
or    not smooth
• mantle surface {in detail} kind
  densely woolly
or    densely stringy
Morphology of rhizomorphs
• diameter
0.06 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
0.64 mm    Maximum value
• cross-section shape
  round or roundish
• colour
  white
• ramification kind-frequency
  frequently, at restricted points
• connection to mantle kind
  oblique
• origin location
  not specific
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
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
• mantle type
  hyphae rather irregularly arranged and no special pattern discernible (type B)
• hyphal system kind
  undifferentiated
• cell shape
  cylindric, constricted at septa
• cell diameter
2.5 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
• cell wall thickness
0.2 µm    Mean (= average)
• cell wall surface habit
  smooth
• drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  plectenchymatous, ring-like
• cell wall thickness
0.2 µm    Mean (= average)
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous with pseudoparenchymatous nests of cells
• cell diameter
2.5 µm    Minimum value
3 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)
6.5 µm    Maximum value
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
6 µm    Minimum value
14.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
39 µm    Upper value of unspecified range (could be µ+s.d., but not known)
62 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)
6 µm    Maximum value
• unlayered mantle 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)
5 µm    Maximum value

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 mantle longitudinal section cortical (epidermal) cells tangentially length
10.5 µm    Minimum value
14.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
38 µm    Maximum value
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
22.5 µm    Minimum value
33 µm    Lower value of unspecified range (could be µ-s.d., but not known)
41 µm    Upper value of unspecified range (could be µ+s.d., but not known)
51.5 µm    Maximum value

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  in two rows, not reaching endodermis
• anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1 µm    Minimum value
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)
8 µm    Maximum value
Anatomy of the mantle in cross-section
• outer mantle layer hyphae tangentially length
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)
8 µm    Maximum value
• inner 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)
5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
10.5 µm    Maximum value

Anatomy of the tannin cells in cross-section
• presence
  absent

Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
8.5 µm    Minimum value
10.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
13.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
19.5 µm    Maximum value
• anatomy mantle cross-section cortical (epidermal) cells radially diameter
18.5 µm    Minimum value
22.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
31 µm    Upper value of unspecified range (could be µ+s.d., but not known)
41 µm    Maximum value

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 thickness
1 µm    Minimum value
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)
8 µm    Maximum value
Anatomy of the emanating elements in general
• backwards-oriented ramifications presence
  present
• anastomoses type
  open, with a short bridge or bridge almost lacking
• anastomoses cell wall thickness {relative to remaining cell walls}
  as thick as
• anastomoses anastomosal bridge thickness {relative to hyphae}
  as thick as
Anatomy of cystidia


Anatomy of emanating hyphae
• drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
• distance {from septum}
  adjacent to septum

Anatomy of the septa of emanating hyphae
• clamps presence
  present

Anatomy of secondary septa of emanating hyphae
• presence
  absent
or    present
• abundance
  infrequent
• distribution
  not specified

Anatomy of the cells of emanating hyphae
• anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    without lens-shaped appositions
or    without spindle-shaped appositions


Anatomy of rhizomorphs
• type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
• a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent

Ecology

• geographic occurrence continent
  Europe
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

• plant family
  Betulaceae
• plant genus
  Betula
• plant habitat kind
  forests, woods

Fungus

• family
  Cortinariaceae
• subgenus-section
  Cortinarius subg. Telamonia
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

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