Hydnellum caeruleum (Hornem.) P. Karst. + Picea

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Literature

references
  Kernaghan G (2001) Ectomycorrhizal fungi at tree line in the Canadian Rockies II. Identification of ectomycorrhizae by anatomy and PCR. Mycorrhiza 10: 217-229.

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  monopodial-pinnate
or    coralloid
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs presence
  present
rhizomorphs frequency
  abundant
exploration type
  medium distance mat
Morphology of the unramified ends
mantle hydrophobicity presence
  present
colour
  ochre, yellowish brown [ochre-gray]
or    orange [dingy orange]
or    reddish [pink]
or    grey [ochre-gray]
or    white
mantle laticifers visibility
  absent
mantle secreted latex {after scratching mantle} presence
  absent
mantle carbonizing presence
  present
emanating hyphae presence
  present
Morphology of rhizomorphs
diameter
0.025 mm    Lower value of unspecified range (could be µ-s.d., but not known)
1 mm    Upper value of unspecified range (could be µ+s.d., but not known)
connection to substrate
  growing into the soil or organic layers
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
or    emanating hyphae
blue granules presence
  present
blue granules location
  outer mantle layer
or    rhizomorphs
Anatomy of laticifers
presence
  absent
anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells 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) [forming a reticulum in some areas]
hyphal system kind
  undifferentiated
cell diameter
2.2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
pigment granula on surface presence
  present
Anatomy of the middle mantle layer
presence
  absent
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  with broad streaks of parallel hyphae
cell diameter
1.4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the mantle in longitudinal section



Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
cell pigment location-colour
  absent
or    vinaceous [slightly]


Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell diameter
1.7 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3.9 µm    Upper value of unspecified range (could be µ+s.d., but not known)


Anatomy of rhizomorphs
type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
or    undifferentiated; margins rather smooth; hyphae compactly arranged and of uniform diameter
(type B)

Anatomy of hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  absent
Anatomy of chlamydospores
presence
  present
type
  special features lacking
colour
  colourless
or    brownish
diameter
5.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
8 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)

Chemical reactions

reaction with KOH 10% presence
  present [olive; dark violet "crystals"(comment: blue granules?) dissolve in 5% KOH releasing a blue-green pigment.]

Ecology

geographic occurrence continent
  North America

Tree

plant family
  Pinaceae
plant genus
  Picea
plant habitat kind
  forests, woods

Fungus

family
  Bankeraceae ss. Stalpers
fruitbodies growth habit
  epigeous
or    pileate-hydnoid

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