Lactarius alpinus Peck + Alnus

– Item listing –

– Enlarged view –

Literature

• references
  Treu R (1990) Charakterisierung und Identifizierung von Ektomykorrhizen aus dem Nationalpark Berchtesgaden. Bibl Mycol 134: 1-196.
Treu (1990) Lactarius alpinus. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 40, Einhorn-Verlag, Schwäbisch Gmünd.

Morphology

Morphology of the mycorrhizal system
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
23 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• ramification presence-type
  absent
or    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)
• main axis diameter
0.37 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.57 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• rhizomorphs presence
  absent
Morphology of the unramified ends
• shape
  straight
or    bent
or    sinuous
• shape {of distal end}
  not inflated, cylindric
or    tapering
• length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
6.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.23 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.27 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• colour
  yellow
• older parts colour
  brown
or    orange
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle dots presence-colour
  absent
• 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
Anatomy of laticifers
• presence
  absent
or    present
• location
  inner mantle layer
• cell diameter
4 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)
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
• organisation
  pseudoparenchymatous
• organisation {if pseudoparenchymatous} cell shape
  epidermoid, puzzle-like, jig-saw-shaped
• mantle type
  epidermoid cells bearing a hyphal net (type Q)
• hyphal net cells shape
  with roundish lobes
• hyphal net cells 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)
• hyphal net cell walls habit
  faint, delicate, inconspicuous, rather thin
• septa clamps presence
  absent
• cell shape
  cylindric, constricted at septa
• cell 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)
• cell length
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
45 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell density
3     Lower value of unspecified range (could be µ-s.d., but not known)
8     Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall thickness
0.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• cell wall surface habit
  smooth
• drops of exuded pigment presence
  absent
Anatomy of the inner mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  without pattern
or    with broad streaks of parallel hyphae
• septa clamps presence
  absent
• cell diameter
3.5 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)
Anatomy of the outer mantle layer of the ectormycorrhizal tip
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} organisation
  like other parts of mantle
• anatomy mantle outer mantle layer {of ectomycorrhizal tip} cell density
7     Lower value of unspecified range (could be µ-s.d., but not known)
8     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}
20 µm    Lower value of unspecified range (could be µ-s.d., but not known)
35 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• mantle thickness {at ectomycorrhizal tip}
15 µm    Mean (= average)
• mantle different layers presence
  discernable
• outer mantle layer organisation
  pseudoparenchymatous
• outer mantle layer hyphae tangentially length
5 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)
• outer mantle layer hyphae radially diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• middle mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• inner mantle layer organisation
  plectenchymatous
• inner mantle layer hyphae radially diameter
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 tangentially length
25 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)
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
17 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
37.1 µm    Mean (= average)
• anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
3.1     Mean (= average)

Anatomy of the Hartig net in longitudinal section
• presence
  present
• kind
  paraepidermal
Anatomy of the mantle in cross-section
• mantle different layers presence
  discernible
• outer mantle layer organisation
  pseudoparenchymatous
• outer mantle layer hyphae tangentially length
2 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)
• outer mantle layer hyphae radially diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• middle mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous
• inner mantle layer organisation
  plectenchymatous
• inner mantle layer hyphae radially diameter
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 cross-section
• presence
  absent

Anatomy of the cortical cells in cross-section
• anatomy mantle cross-section cortical (epidermal) cells shape
  radially-oval to -elliptic
• anatomy mantle cross-section cortical (epidermal) cells tangentially length
6 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
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
29 µm    Upper value of unspecified range (could be µ+s.d., but not known)
• anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
10.7 µm    Mean (= average)
• anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
0.7     Mean (= average)

Anatomy of the Hartig net in cross-section
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells shape
  cylindrical
• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
1.5 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)
• anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
• clamps presence
  absent




Anatomy of rhizomorphs

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
• presence
  absent
Anatomy of haustoria
• {of ectomycorrhiza former} presence
  absent
Anatomy of nuclei
• number {per cell}
2     Mean (= average)
• shape
  round
• diameter
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)
• length
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)

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
• mantle in section green-filter, 530-560 nm presence
  absent

Chemical reactions

• reaction with acid fuchsin presence
  absent
• reaction with brillant-cresyl-blue presence
  absent
• reaction with cotton-blue-lactic-acid presence
  absent
• reaction with FeSO4 presence
  absent
• reaction with guaiac presence
  absent
• reaction with KOH 10% presence
  absent
• reaction with lactic acid presence
  absent
• reaction with Melzer's reagent presence
  absent
• reaction with phenole presence
  absent
• reaction with phenole-aniline presence
  absent
• reaction with ruthenium-red presence
  absent
• reaction with sulpho-vanillin presence
  present

Ecology

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

Tree

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

Fungus

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

Remarks

• public notes
  Mycorrhizal systems monopodial-pinnate, infrequently monopodial-pyramidal; mycorrhizal ends straight, sometimes bent or sinuous, older parts pale orange-brown; mantle in longitudinal section a transient type between plectenchymatous and pseudoparenchymatous; autofluorescence of mantle in section with UV-filter slightly bluish, with blue-filter yellowish; mantle in sulfo-vanillin with blue-black laticifers.

– Item listing –