Dryadirhiza nigra + Dryas

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Literature

references
  Harrington TJ, Mitchell DT (2002) Characterization of Dryas octopetala ectomycorrhizas from limestone karst vegetation, western Ireland. Can J Bot 80: 970-982.

Morphology

Morphology of the mycorrhizal system
length
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
4 mm    Upper value of unspecified range (could be µ+s.d., but not known)
ramification presence-type
  monopodial-pinnate [irregularly pinnate]
rhizomorphs presence
  absent
Morphology of the unramified ends
shape
  straight
shape {of distal end}
  not inflated, cylindric
or    inflated, club-shaped
diameter
0.35 mm    Mean (= average)
0.35 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.35 mm    Upper value of unspecified range (could be µ+s.d., but not known)
colour
  black
or    dark brown
mantle surface {in general} habit
  shiny
or    not smooth
mantle surface {in detail} kind
  densely grainy or warty
or    loosely grainy or warty
emanating hyphae presence
  present
emanating hyphae abundance
  infrequent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  emanating hyphae
Anatomical features of the mantle
Anatomy of the outer mantle layer apart from the ectormycorrhizal tip
organisation
  pseudoparenchymatous
organisation {if pseudoparenchymatous} cell shape
  angular
mantle type
  angular cells, bearing mounds of roundish cells (type K)
hyphae arrangement
  as rosettes
septa clamps presence
  absent
cell diameter
5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
11 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell length
10 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)
cell wall thickness
0 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)
cell wall surface habit
  rough [with heavily wrinkled surfaces]
Anatomy of the inner mantle layer
organisation
  plectenchymatous
hyphae arrangement
  without pattern
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)
Anatomy of the mantle in longitudinal section
mantle thickness {apart from tip}
0 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
  discernable
outer mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  plectenchymatous



Anatomy of the mantle in cross-section
mantle different layers presence
  discernible
outer mantle layer organisation
  pseudoparenchymatous
inner mantle layer organisation
  plectenchymatous



Anatomy of the Hartig net in cross-section
presence
  present
kind
  apparently two rows deep
anatomy mantle cross-section hyphal rows around cortical (epidermal) cells number
  one
Anatomy of the emanating elements in general
Anatomy of cystidia


Anatomy of emanating hyphae
cell pigment location-colour
  membranaceously brownish [grey to balck in colour]
or    grey, black


Anatomy of the septa of emanating hyphae
clamps presence
  present

Anatomy of secondary septa of emanating hyphae
presence
  present

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 thickness
0.1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.8 µm    Upper value of unspecified range (could be µ+s.d., but not known)


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

Anatomy of hyphae in rhizomorphs

Ecology

substrate
  in organic layer
geographic occurrence continent
  Europe

Fungus

family
  Thelephoraceae ss. Stalpers. excl. Tylospora

Remarks

public notes
  The characterization these entries are based on is rather incomplete, insofar important features have not been observed or their lack has not been mentioned. This ectomycorrhiza is included in DEEMY as a specific, new name has been applied. Due to the limited character information it will be difficult to differentiate this ectomycorrhiza from many other species included in DEEMY, and therefore, identification on a general scale will be hardly possible. Dryas-based attempts, however, may result in success.

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