Lactarius glyciosmus (Fr. : Fr.) Fr. + Betula

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Literature

• references
  Ingleby K, Mason PA, Last FT, Fleming LV (1990) Identification of ectomycorrhizas. ITE Research Publication no. 5. HMSO, London.

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
6 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pinnate
• 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 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)
• 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
or    sinuous
• shape {of distal end}
  not inflated, cylindric
• colour
  grey
or    white
• very tip colour
  whitish
• older parts 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
  shiny
or    smooth
• emanating hyphae presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
Anatomy of laticifers
• presence
  present
• location
  inner mantle layer
• cell diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomical features of the mantle
• matrix presence
  present
• matrix location
  outer mantle layer {apart from tip}
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  plectenchymatous
• mantle type
  gelatinous matrix between the hyphae (type C)
• matrix kind
  gelatinous
• hyphal system kind
  forked
and    with rather short, obtuse, even finger-like branches
• hyphae hyphal junctions angle {between}
  ca. 120°
• septa thickness {relative to cell walls}
  as thick as walls
• septa clamps presence
  absent
• cell shape
  cylindric, not constricted at septa
• cell diameter
2 µm    Minimum value
3 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
• cell wall surface habit
  smooth
• drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
• organisation
  pseudoparenchymatous
• hyphae arrangement
  plectenchymatous, without pattern
• cell diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• septa clamps presence
  absent
• cell 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)
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
15 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 mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
• clamps presence
  absent
• clamps hole presence
  absent




Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs

Chemical reactions

• reaction with toluidin blue presence
  present [strongly pink]

Ecology

• geographic occurrence continent
  Europe

Tree

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

Fungus

• family
  Russulaceae
• subgenus-section
  Lactarius sect. Russulares
• fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

• public notes
  Mycorrhizal systems fairly short, with a frequent, sometimes pinnate, branching pattern; mycorrhizal ends white to smoky-grey when young, chaning to different shades of brown with age; mantle in toluidine blue strongly pink.

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