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 –