Lactarius subsericatus (Kühn. & Romagn.) ex Bon + Abies

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Literature

• references
  Eberhardt U, Verbeken A, Rinaldi AC, Pacioni G, Comandini O (2000) Lactarius ectomycorrhizae on Abies alba: morphological description, molecular characterization, and taxonomic remarks. Mycologia 92(5): 860-873.

Morphology

Morphology of the mycorrhizal system
• length
5.8 mm    Lower value of unspecified range (could be µ-s.d., but not known)
8.4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  monopodial-pinnate
• main axis diameter
0.43 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.78 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
• exploration type
  contact
Morphology of the unramified ends
• mantle hydrophobicity presence
  absent
• shape
  straight
or    bent
• length
0 mm    Minimum value
1.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3.2 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.4 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.7 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  yellowish [yellowish red]
or    reddish [yellowish red]
• older parts colour
  brownish [reddish brown]
or    reddish [reddish brown]
• mantle {distinct} surface visibility
  present
• mantle secreted latex {after scratching mantle} presence
  present
• mantle secreted latex {after scratching mantle} colour-habit
  yellowish [yellowish white]
• mantle carbonizing presence
  absent
• mantle surface {in general} habit
  smooth
• emanating hyphae presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  absent
• crystals presence
  absent
• blue granules presence
  absent
Anatomy of laticifers
• presence
  present
• location
  middle mantle layer
• shape
  straight and even
• contents colour
  yellowish
Anatomical features of the mantle
• completeness
  complete
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  pseudoparenchymatous
• organisation {if pseudoparenchymatous} cell shape
  angular
• mantle type
  angular cells (type L) [comment: hyphal surface net failed to notice?]
• clavate end cell cover presence
  absent
• hyphae arrangement
  not specific
• pores between cells presence
  absent
• septa clamps presence
  absent
• cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.7 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall surface habit
  smooth
• cell wall projections presence
  absent
• drops of exuded pigment presence
  absent
• roundish plasmatically yellow cells presence
  absent
• pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
• presence
  present
• organisation
  plectenchymatous
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  without pattern
or    ring-like
• hyphae vessel-like presence
  absent
• septa clamps presence
  absent
Anatomy of the outer mantle layer of the ectormycorrhizal tip
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  pseudoparenchymatous
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
60 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• mantle different layers presence
  discernable
• outer mantle layer organisation
  pseudoparenchymatous
• middle mantle layer presence
  present
• middle mantle layer organisation
  plectenchymatous
• inner mantle layer organisation
  plectenchymatous



Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  in two rows, not reaching endodermis [surrounds 2-3 rows of cortical cells]
• anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
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 mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
or    two [exceptional]
• structure {in plan view}
  of palmetti type
• lobes width
2 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)
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae






Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent

Ecology

• geographic occurrence continent
  Europe

Tree

• plant family
  Pinaceae
• plant genus
  Abies
• plant habitat kind
  forests, woods

Fungus

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

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