Hebeloma sacchariolens Quel. + Betula

– Item listing –

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)
5 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)
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
  bent
or    tortuous
shape {of distal end}
  not inflated, cylindric
diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  white
very tip colour
  white
older parts colour
  brown
or    grey
mantle transparency
  not transparent
mantle laticifers visibility
  absent
mantle dots presence-colour
  absent
mantle carbonizing presence
  absent
mantle surface {in general} habit
  silvery
mantle surface {in detail} kind
  densely cottony
or    loosely cottony
emanating hyphae presence
  present
emanating hyphae abundance
  abundant
Morphology of sclerotia
presence
  present
abundance
  infrequent
shape
  globular
diameter
0.2 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)
colour
  white
formation location
  on the mantle

Anatomy

Anatomical features of the entire mycorrhiza
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 rather irregularly arranged and no special pattern discernible (type B)
hyphal system kind
  undifferentiated
cell wall surface habit
  smooth
and    rough
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
hyphae arrangement
  plectenchymatous, without pattern
Anatomy of the inner mantle layer
organisation
  plectenchymatous with pseudoparenchymatous nests of cells
hyphae arrangement
  ring-like
cell diameter
0 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)
cell length
0 µm    Lower value of unspecified range (could be µ-s.d., but not known)
80 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}
5 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 of the mantle in cross-section



Anatomy of the emanating elements in general
anastomoses anastomosal bridge thickness {relative to hyphae}
  as thick as
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
presence
  present
kind
  acute
side-branches at septum number
  one side-branch at septum

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

Anatomy of secondary septa of emanating hyphae
presence
  present
abundance
  infrequent
distribution
  not specified

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell 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)
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    rough of warts


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

Anatomy of hyphae in rhizomorphs
Anatomy of sclerotia
internal structure organisation
  pseudoparenchymatous with angular cells
or    pseudoparenchymatous with roundish cells
or    outer layer plectenchymatous, center pseudoparenchymatous
center structure habit
  compactly filled

Ecology

geographic occurrence continent
  Europe

Tree

plant family
  Betulaceae
plant genus
  Betula
plant habitat kind
  nursery

Fungus

family
  Cortinariaceae
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Mycorrhizal systems infrequently branched; mycorrhizal ends short, slender, silver-white when young, older parts changing to grey-brown.

– Item listing –