Tricholoma acerbum (Bull. : Fr.) Quel. + Fagus

– Item listing –

– Enlarged view –

Literature

references
  Agerer R, Waller K (1993) Tricholoma acerbum. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 82, Einhorn-Verlag, Schwäbisch Gmünd.
Waller K, Agerer R (1993) Ektomykorrhizen von Dermocybe cinnamomeolutea (Cortinariaceae) und Tricholoma acerbum (Tricholomataceae). Sendtnera 1: 23-38.

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
9.5 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pyramidal
main axis diameter
0.3 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.5 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
  present
rhizomorphs frequency
  abundant
exploration type
  medium distance fringe
Morphology of the unramified ends
shape
  straight
or    bent
length
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)
5.5 mm    Maximum value
diameter
0.2 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  white
very tip colour
  white
mantle cortical cells visibility
  not visible
mantle {distinct} surface visibility
  present
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 stringy
emanating hyphae presence
  absent
Morphology of rhizomorphs
diameter
0.025 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)
cross-section shape
  round or roundish
colour
  concolourous to mantle
origin location
  not specific
or    proximal
dimorphism presence
  absent
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
blue granules presence
  absent
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
  ring-like arrangement of hyphal bundles (type A)
septa clamps presence
  absent
cell shape
  cylindric, not constricted at septa
and    cylindric, constricted at septa
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)
cell length
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
100 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.3 µm    Mean (= average)
cell wall surface habit
  rough
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, without pattern
cell pigment location-colour
  membranaceously yellowish
or    membranaceously brownish
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)
cell length
15 µm    Lower value of unspecified range (could be µ-s.d., but not known)
100 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.5 µm    Mean (= average)
Anatomy of the inner mantle layer
organisation
  plectenchymatous with pseudoparenchymatous nests of cells
hyphae arrangement
  ring-like
septa clamps presence
  absent
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} hyphae diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 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}
8 µm    Minimum value
15 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)
59 µm    Maximum value
mantle thickness {at ectomycorrhizal tip}
4 µm    Lower value of unspecified range (could be µ-s.d., but not known)
10 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  not discernable
unlayered mantle hyphae radially 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)

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 shape
  rectangular
or    radially-oval to -elliptic, oriented obliquely
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
10 µm    Minimum value
17 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)
30 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
25 µm    Minimum value
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
38 µm    Upper value of unspecified range (could be µ+s.d., but not known)
43 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
17 µm    Mean (= average)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.5     Mean (= average)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  periepidermal
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
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)
3 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
structure {in plan view}
  of palmetti type
lobes width
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
Anatomy of the mantle in cross-section
mantle different layers presence
  not discernible
unlayered mantle hyphae radially 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)

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
13 µm    Lower value of unspecified range (could be µ-s.d., but not known)
19 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle cross-section cortical (epidermal) cells radially diameter
11 µm    Minimum value
19 µm    Lower value of unspecified range (could be µ-s.d., but not known)
23 µm    Upper value of unspecified range (could be µ+s.d., but not known)
32 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
16 µm    Mean (= average)
anatomy mantle cross-section cortical (epidermal) cells mean shape-ratio CCq
0.8     Mean (= average)

Anatomy of the Hartig net in cross-section
presence
  present
kind
  apparently one and a half row deep
Anatomy of the emanating elements in general
backwards-oriented ramifications presence
  present
anastomoses type
  open, with a short bridge or bridge almost lacking
Anatomy of cystidia


Anatomy of emanating hyphae
drops of exuded pigment presence
  absent




Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae 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)
anatomy emanating elements emanating hyphae cell wall surface habit
  rough of warts
or    without lens-shaped appositions
or    without spindle-shaped appositions
anatomy emanating elements emanating hyphae cell wall thickness
0.3 µm    Mean (= average)


Anatomy of rhizomorphs
type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
nodia presence
  present
gelatinized hyphae presence
  absent
a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
ampullate, trumpet-like inflated presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
  absent
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  present
{of ectomycorrhiza former} abundance
  occasionally present
{of foreign origin} presence
  absent
shape
  globular
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
or    oval
diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
length
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Autofluorescence

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
  present

Ecology

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

Tree

plant family
  Fagaceae
plant genus
  Fagus
plant habitat kind
  forests, woods

Fungus

family
  Tricholomataceae
subgenus-section
  Tricholoma subg. Genuina
fruitbodies growth habit
  epigeous
or    pileate-lamellate

Remarks

public notes
  Autofluoescence of mantle in section with UV-filter slightly bluish, with blue-filter slihtly yellow, with green-filter red.

– Item listing –