Pisolithus tinctorius (Mich.: Pers.) Coker & Couch + Picea

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Literature

references
  Raidl S (1997) Studien zur Ontogenie an Rhizomorphen von Ektomykorrhizen. Bibl Mycol 169: 1-184.
Weiss M (1988) Ektomykorrhizen von Picea abies. Synthese, Ontogenie und Reaktion auf Umweltschadstoffe. Diss Univ München.
Weiss M (1991) Pisolithus tinctorius. In Agerer R (ed) Colour Atlas of Ectomycorrhizae, plate 63, Einhorn-Verlag, Schwäbisch Gmünd.
Weiss M (1992) Mycorrhizae formed by Pisolithus tinctorius (Basidiomycetes) on Norway spruce. Crypt Bot 2: 337-344.

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-pinnate
or    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)
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
  infrequent
Morphology of the unramified ends
shape
  bent
or    sinuous
or    tortuous
shape {of distal end}
  not inflated, cylindric
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)
diameter
0.25 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
  ochre, yellowish brown
older parts colour
  dark brown
or    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
or    brownish
mantle carbonizing presence
  absent
mantle surface {in general} habit
  not smooth
mantle surface {in detail} kind
  densely stringy
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent
emanating hyphae distribution
  not specifically distributed
Morphology of rhizomorphs
diameter
0.04 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.16 mm    Upper value of unspecified range (could be µ+s.d., but not known)
cross-section shape
  round or roundish
ramification kind-frequency
  frequently, at restricted points
connection to mantle kind
  distinct
origin location
  proximal
margin habit
  smooth
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
  hyphae rather irregularly arranged and no special pattern discernible (type B)
hyphal system kind
  with rather short, obtuse, even finger-like branches
septa thickness {relative to cell walls}
  as thick as walls
cell shape
  cylindric, not constricted at septa
cell pigment location-colour
  absent
and    plasmatically brownish
cell wall surface habit
  smooth
and    with few crystals
drops of exuded pigment presence
  absent
Anatomy of the middle mantle layer
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, without pattern
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)
5 µm    Maximum value
cell contents presence-kind
  absent
cell wall thickness
0.2 µm    Mean (= average)
cell wall surface habit
  smooth
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  ring-like
septa clamps presence
  present
cell diameter
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell contents presence-kind
  absent
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
30 µm    Lower value of unspecified range (could be µ-s.d., but not known)
40 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 radially diameter
2 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)
6 µm    Maximum value

Anatomy of the tannin cells in longitudinal section
presence
  present


Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  protruding towards endodermis
anatomy mantle longitudinal section hyphal cells around tannin cells thickness
2 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section hyphal rows around tannin cells number
  one
or    two
or    three
or    several
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)
3 µm    Upper value of unspecified range (could be µ+s.d., but not known)
5 µm    Maximum value
anatomy mantle longitudinal section hyphal rows around cortical (epidermal) cells number
  one
or    two
Anatomy of the mantle in cross-section



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


Anatomy of the septa of emanating hyphae
clamps presence
  present
clamps outline {in lateral view}
  not constricted at contact point to subtending hyphal cell
clamps width {relative to hypha in lateral view}
  thinner than
clamps blister-like structure {at basis} presence
  absent

Anatomy of secondary septa of emanating hyphae
presence
  absent

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell shape
  even
anatomy emanating elements emanating hyphae cell diameter
2 µm    Minimum value
2.5 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)
4 µm    Maximum value
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
or    with crystals
or    without lens-shaped appositions
or    without spindle-shaped appositions
anatomy emanating elements emanating hyphae cell wall thickness
0.2 µm    Mean (= average)

Anatomy of the crystals occouring in emanating hyphae
orientation
  irregularly

Anatomy of rhizomorphs
type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)
internal nodia presence
  absent
gelatinized hyphae presence
  absent
cup-like structures on surface 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

Ecology

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

Tree

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

Fungus

family
  Pisolithaceae
fruitbodies growth habit
  epigeous
or    gastroid

Remarks

public notes
  Mycorhizal systems irregularly monopodial-pinnate to monopodial-pyramidal; rhizomorph periphery with some roundish cells of up to 12 um in diam. and with up to 1.5 um thick cell walls.

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