Russula brevipes Peck + Abies

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Literature

references
  Kernaghan G, Currah RS, Bayer JR (1997) Russulaceous ectomycorrhizae of Abies lasiocarpa and Picea engelmannii. Can J Bot 75: 1843-1850

Morphology

Morphology of the mycorrhizal system
ramification presence-type
  monopodial-pinnate
rhizomorphs presence
  absent
Morphology of the unramified ends
colour
  brown
or    white
mantle transparency
  semi-transparent, opaque
mantle surface {in general} habit
  not smooth
mantle surface {in detail} kind
  densely short-spiny
emanating hyphae 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
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  plectenchymatous
mantle type
  hyphae arranged net-like, with prominent cystidia (type D)
hyphae hyphal junctions angle {between}
  ca. 90°
and    ca. 120°
cell diameter
2.5 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 of the inner mantle layer
organisation
  plectenchymatous with pseudoparenchymatous nests of cells
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 cystidia (type 1)
type
  flask-shaped with an apical knob (type D)
apical knobs number
2     Lower value of unspecified range (could be µ-s.d., but not known)
3     Upper value of unspecified range (could be µ+s.d., but not known)
apical knobs arrangement
  solitary, not in chains
or    asymmetrically
diameter {proximal}
3.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
13 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)

Anatomy of emanating hyphae


Anatomy of the septa of emanating hyphae
clamps presence
  absent




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

Anatomy of hyphae in rhizomorphs

Ecology

geographic occurrence continent
  North America

Tree

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

Fungus

family
  Russulaceae
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Mycorrhizal ends with hyaline to fuscous-copper mantle; inner mantle layers in plan view with epidermoid 3-8x16-38 um large cells.

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