Pseudotomentella tristis (P. Karst.) M. J. Larsen + Salix

– Item listing –

– Enlarged view –

Literature

references
  Agerer R (1994) Pseudotomentella tristis (Thelephoraceae). Eine Analyse von Fruchtkörper und Ektomykorrhizen. Z Mykol 60: 143-158.
Agerer R (1994) Pseudotomentella tristis. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 84, 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)
6 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  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)
abundance
  solitary or in small numbers
main axis diameter
0.25 mm    Mean (= average)
rhizomorphs as stout, short, conical structures presence-abundance
  absent
rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence
  absent
rhizomorphs presence
  absent
exploration type
  short distance
Morphology of the unramified ends
shape
  sinuous
or    tortuous
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)
3 mm    Upper value of unspecified range (could be µ+s.d., but not known)
3.6 mm    Maximum value
diameter
0.15 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.25 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  ochre, yellowish brown
or    blue
or    white
very tip colour
  bluish
or    whitish
older parts colour
  brown
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
  shiny
or    smooth
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
emanating hyphae distribution
  not specifically distributed
or    concentrated proximally
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
matrix presence
  present
matrix location
  outer mantle layer {apart from tip}
or    outer mantle layer {of ectomycorrhizal tip}
or    middle mantle layer
or    inner mantle layer
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)
and    gelatinous matrix between the hyphae (type C)
matrix kind
  gelatinous
hyphal system kind
  undifferentiated
and    with broad streaks of parallel hyphae
septa thickness {relative to cell walls}
  as thick as walls
and    thicker than walls
septa clamps presence
  absent
cell shape
  cylindric, not constricted at septa
and    cylindric, constricted at septa
cell pigment location-colour
  membranaceously bluish
cell contents presence-kind
  absent
cell diameter
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall thickness
0.5 µm    Mean (= average)
cell wall surface habit
  smooth
and    with few soil particles
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
matrix kind
  gelatinous
hyphae arrangement
  plectenchymatous, star-like
or    plectenchymatous, with broad streaks of parallel hyphae
cell pigment location-colour
  membranaceously bluish
cell 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)
5 µm    Maximum value
cell length
10 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)
50 µm    Maximum value
cell contents presence-kind
  absent
cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous with pseudoparenchymatous nests of cells
matrix kind
  not gelatinous
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell pigment location-colour
  absent
or    membranaceously bluish
cell 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)
5 µm    Maximum value
cell length
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
50 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell contents presence-kind
  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} matrix kind
  gelatinous
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)
3.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
5 µm    Maximum value
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
5 µm    Minimum value
10 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)
20 µm    Maximum value
mantle thickness {at ectomycorrhizal tip}
5 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
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  plectenchymatous
inner mantle layer organisation
  plectenchymatous
unlayered mantle hyphae tangentially length
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)
unlayered mantle hyphae radially diameter
1.5 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 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
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 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
15 µm    Minimum value
20 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)
50 µm    Maximum value
anatomy mantle longitudinal section cortical (epidermal) cells mean tangential length CCt (ECt)
31 µm    Mean (= average)
anatomy mantle longitudinal section cortical (epidermal) cells mean shape-ratio CCq (ECq)
0.6     Mean (= average)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  paraepidermal
anatomy mantle longitudinal section hyphal cells around cortical (epidermal) cells shape
  roundish
anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
1.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
2.5 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
1.5 µm    Minimum value
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)
3.5 µm    Maximum value
Anatomy of the mantle in cross-section
mantle different layers presence
  not discernible
outer mantle layer organisation
  plectenchymatous
middle mantle layer organisation
  plectenchymatous
inner mantle layer organisation
  plectenchymatous

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
  round
or    radially-oval to -elliptic
anatomy mantle cross-section cortical (epidermal) cells tangentially length
5 µm    Minimum value
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
13 µm    Upper value of unspecified range (could be µ+s.d., but not known)
19 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells radially diameter
8 µm    Minimum value
12 µm    Lower value of unspecified range (could be µ-s.d., but not known)
20 µm    Upper value of unspecified range (could be µ+s.d., but not known)
24 µm    Maximum value
anatomy mantle cross-section cortical (epidermal) cells mean tangential length CCt
10.8 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
intrahyphal hyphae presence
  present
septal pores configuration
  globular thickenings
anastomoses type
  open, with a short bridge or bridge almost lacking
anastomoses cell wall thickness {relative to remaining cell walls}
  as thick as
anastomoses location
  not specified
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  not striking
cell pigment location-colour
  absent
or    membranaceously brownish
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
distance {from septum}
  adjacent to septum
or    one or two hyphal diam. below the septum
or    in considerable distance from the septum
side-branches at septum number
  one side-branch at septum

Anatomy of the septa of emanating hyphae
clamps presence
  absent


Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  even
or    with ellbow-like protrusions
anatomy emanating elements emanating hyphae cell shape {at distal end}
  simple
or    ramified
anatomy emanating elements emanating hyphae cell diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
4.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
6 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall surface habit
  without lens-shaped appositions
or    without spindle-shaped appositions
or    with soil particles
anatomy emanating elements emanating hyphae cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall}
  thinner
or    considerably thicker, cap-like
anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness
  even in thickness
or    uneven in thickness


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

Anatomy of hyphae in rhizomorphs
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent
Anatomy of nuclei
number {per cell}
2     Mean (= average)
shape
  round
or    oval
diameter
1 µm    Mean (= average)
length
1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
1.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
distance {between each other}
0 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 of siderophilous granulations
presence
  absent

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

Chemical reactions

reaction with KOH 10% presence
  present
reaction with lactic acid presence
  present
reaction with Melzer's reagent presence
  amyloid
amyloidity or dextrinoidity location
  patches of hyphal walls
or    septa, globular thickenings of septa

Ecology

substrate
  in organic layer
geographic occurrence continent
  Europe
knowledge about association with foreign fruitbodies presence
  unknown

Tree

plant family
  Salicaceae
plant genus
  Salix
plant habitat kind
  unknown [dwarf shrubs]

Fungus

family
  Thelephoraceae ss. Stalpers. excl. Tylospora
fruitbodies growth habit
  hypogeous
or    corticioid

Remarks

public notes
  Autofluorescence of mantle in section with UV-filter greenish, with blue-filter yellow, with green-filter reddish; mantle in KOH with blue patches becoming olive-green, other patches brownish, in lactic acid blue patches turning to lilac-brownish.

– Item listing –