"Piceirhiza subtilis" + Picea

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Literature

• references
  Haug I, Pritsch K (1992) Ectomycorrhizal types of spruce (Picea abies (L.) Karst.) in the Black Forest. A microscopical atlas. Kernforschungszentrum Karlsruhe.

Morphology

Morphology of the mycorrhizal system
• ramification presence-type
  monopodial-pinnate
• rhizomorphs presence
  present
• rhizomorphs frequency
  infrequent
Morphology of the unramified ends
• shape
  bent
• shape {of distal end}
  not inflated, cylindric
• colour
  ochre, yellowish brown
• mantle cortical cells visibility
  not visible
• mantle {distinct} surface visibility
  present
• mantle transparency
  not transparent
• mantle laticifers visibility
  absent
• mantle surface {in general} habit
  silvery
• mantle surface {in detail} kind
  forming rings (reticulate)
• emanating hyphae presence
  present
• emanating hyphae abundance
  infrequent
Morphology of rhizomorphs
• diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.04 mm    Upper value of unspecified range (could be µ+s.d., but not known)
• cross-section shape
  round or roundish
• margin habit
  smooth
• dimorphism presence
  absent
Morphology of sclerotia
• presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
• emanating elements presence-type
  rhizomorphs
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, constricted at septa
• cell diameter
4 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 wall surface habit
  smooth
Anatomy of the middle mantle layer
• organisation
  plectenchymatous
• hyphae arrangement
  plectenchymatous, ring-like
• cell wall surface habit
  smooth
Anatomy of the inner mantle layer
• organisation
  pseudoparenchymatous
• septa clamps presence
  absent
Anatomy of the mantle in longitudinal section
• mantle thickness {apart from tip}
25 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)
• mantle different layers presence
  not discernable
• outer mantle layer organisation
  plectenchymatous
• middle mantle layer organisation
  plectenchymatous
• inner mantle layer organisation
  plectenchymatous



Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
• backwards-oriented clamps presence
  absent
Anatomy of cystidia


Anatomy of emanating hyphae
• shape
  not striking


Anatomy of the septa of emanating hyphae
• clamps presence
  absent
• clamps hole presence
  absent
• clamps blister-like structure {at basis} presence
  absent


Anatomy of the cells of emanating hyphae
• anatomy emanating elements emanating hyphae cell diameter
3.5 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
  smooth


Anatomy of rhizomorphs
• type
  highly differentiated; thick hyphae forming mostly a core, septa often partially or completely dissolved
(type F)

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
Ultrastructure
• septal pores type
  as dolipores with perforated parenthesome

Ecology

• geographic occurrence continent
  Europe

Tree

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

Remarks

• public notes
  Inner mantle layers in plan view pseudoparenchymatous and with angular cells.

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