Russula fellea Fr. + Fagus

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– Enlarged view –

Literature

• references
  Brand F (1988) Fagirhiza granulosa. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 16, Einhorn-Verlag, Schwäbisch Gmünd.
Brand F (1991) Ektomykorrhizen an Fagus sylvatica. Charakterisierung und Identifizierung, ökologische Kennzeichnung und unsterile Kultivierung. Libri Botanici 2: 1-229.
Brand F, Agerer R (1987) Studien an Ektomykorrhizen XIII. Drei Häufige Ektomykorrhizen der Buche (Fagus sylvatica L.). Charakterisierung und unsterile Kultivierung von Buchenektomykorrhizen. Sydowia 40: 1-37. - Beenken L (2004) Die Gattung Russula. Untersuchungen zu ihrer Systematik anhand von Ektomykorrhizen. Dissertation, Universität München. http://edoc.ub.uni-muenchen.de/archive/00003175/01/Beenken_Ludwig.pdf

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pyramidal
or    coralloid
• 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)
• main axis diameter
0.3 mm    Mean (= average)
• rhizomorphs as stout, short, conical structures presence-abundance
  absent
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
• rhizomorphs presence
  absent
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)
1.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  brown
or    green
• very tip colour
  brown
• 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
  not smooth
• mantle surface {in detail} kind
  densely grainy or warty
• emanating hyphae presence
  present
• emanating hyphae abundance
  infrequent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  cystidia
• emanating elements cystidia location
  on outer mantle layer
Anatomy of laticifers
• presence
  absent
• anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells presence
  present
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  pseudoparenchymatous
• organisation {if pseudoparenchymatous} cell shape
  angular
• mantle type
  angular cells, bearing mounds of roundish cells (type K)
and    some cells containing droplets, staining in sulpho-vanillin; shape variable (type N)
• hyphal net clamps presence
  absent
• mound cells granular contents
  absent
• pores between cells presence
  absent
• septa thickness {relative to cell walls}
  thinner than walls
• septa clamps presence
  absent
• cell pigment location-colour
  membranaceously brownish
• cell contents presence-kind
  droplets, that stain in sulpho-vanillin
• cell diameter
10 µm    Mean (= average)
• cell length
10 µm    Mean (= average)
• cell density
8     Mean (= average)
• cell wall thickness
0.2 µm    Mean (= average)
• cell wall with globular thickenings
  absent
• cell wall surface habit
  smooth
• cell wall projections presence
  absent
• drops of exuded pigment presence
  absent
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  without pattern
• septa clamps presence
  absent
• cell diameter
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)
3.5 µm    Maximum value
• cell contents presence-kind
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} hyphae diameter
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)
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
17     Mean (= average)
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)
35 µm    Maximum value
• mantle different layers presence
  discernable
• outer mantle layer organisation
  plectenchymatous
• outer mantle layer hyphae tangentially length
5 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)
• outer mantle layer hyphae radially diameter
5 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)
• middle mantle layer organisation
  pseudoparenchymatous
• middle mantle layer hyphae tangentially length
5 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)
• middle mantle layer hyphae radially diameter
4 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)
• inner mantle layer organisation
  plectenchymatous
• inner mantle layer hyphae radially diameter
3 µm    Mean (= average)
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 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)
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
30 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 Hartig net in longitudinal section
• presence
  present
• kind
  periepidermal
or    in two rows, not reaching endodermis
Anatomy of the mantle in cross-section
• mantle different layers presence
  discernible
• outer mantle layer organisation
  plectenchymatous
• outer mantle layer hyphae tangentially length
5 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)
• outer mantle layer hyphae radially diameter
5 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)
• middle mantle layer organisation
  pseudoparenchymatous
• middle mantle layer hyphae tangentially length
5 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)
• middle mantle layer hyphae radially diameter
4 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)
• inner mantle layer organisation
  plectenchymatous
• inner mantle layer hyphae radially diameter
3 µm    Mean (= average)
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 shape
  rectangular
or    radially-oval to -elliptic
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
10 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)
• anatomy mantle cross-section cortical (epidermal) cells radially diameter
10 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)

Anatomy of the Hartig net in cross-section
• presence
  present
• kind
  apparently two rows deep
or    in tow rows, not reaching endodermis
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  roundish
or    cylindrical
• 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)
• lobes width
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)
• structure {in plan view}
  of palmetti type
Anatomy of the emanating elements in general
Anatomy of cystidia

Anatomy of cystidia (type 1)
• type
  fusiform (type F)
• septa presence
  absent
or    present
• septa kind
  absent, with basal clamp only
or    simple
• diameter {proximal}
5 µm    Mean (= average)
• length
10 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)
• cell wall colour
  yellowish
or    brownish
• cell wall thickness
0.5 µm    Mean (= average)
• cell wall thickness {relative to mantle cells}
  similar in thickness
or    thicker
• cell wall evenness
  even in thickness
• surface habit
  warty
• contents presence
  present
• contents type
  finely granular

Anatomy of emanating hyphae
• shape
  not striking
• 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 diameter
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 emanating elements emanating hyphae cell length
10 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)
• anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    without lens-shaped appositions
or    without spindle-shaped appositions
• anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Mean (= average)
• anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness
  even in thickness


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

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
• {of foreign origin} presence
  absent

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
  present
• mantle in section blue-filter, 450-490 nm presence
  present

Chemical reactions

• reaction with brillant-cresyl-blue presence
  absent
• reaction with cotton-blue-lactic-acid presence
  absent
• reaction with ethanol 70% presence
  present
• reaction with FeSO4 presence
  absent
• reaction with KOH 10% presence
  present
• reaction with lactic acid presence
  absent
• reaction with Melzer's reagent presence
  dextrinoid
• reaction with phenole presence
  absent
• reaction with ruthenium-red presence
  absent
• reaction with sudan III presence
  absent
• reaction with sulpho-vanillin presence
  absent [contents of gloeoplerous cells greyish blue]
or    present
• reaction with toluidin blue presence
  present

Ecology

• substrate
  in organic layer
or    in organically enriched mineral horizon
• geographic occurrence continent
  Europe
• knowledge about association with foreign fruitbodies presence
  unknown

Tree

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

Fungus

• family
  Russulaceae
• subgenus-section
  Russula sect. Ingratae
• subsection
  Russula sect. Ingratae subsect. Felleinae
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

• public notes
  Mycorrhizal ends orange-brown or brown-orange; autofluorescence of mantle in section with UV-filter slightly orange-brown to lemon-yellow, inner mantle layers partially whitish, with blue-filter slightly greenish yellow to green-orange; mantle in sulfo-vanillin becoming brownish, in KOH walls darker and becoming red-brown, in lactic acid not bleaching, in toluidin- blue bluish, in ethanol slowly bleaching, in chlorazol-black no reaction.

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