Alnirhiza cystidiobrunnea + Alnus

– Item listing –

Literature

references
  Pritsch K, Becerra A, Pölme S, Tedersoo L, Schloter M, Agerer R (2010) Description and identification of Alnus acuminata ectomycorrhizae from Argentinean alder stands. Mycologia 102(6): 1263-1273 [In Pritsch et al. (2010) as Tomentella cf. sublilacina]

Morphology

Morphology of rhizomorphs
diameter
0 mm    Lower value of unspecified range (could be µ-s.d., but not known)
0.032 mm    Upper value of unspecified range (could be µ+s.d., but not known)
Morphology of sclerotia
presence
  absent

Anatomy

Anatomical features of the entire mycorrhiza
emanating elements presence-type
  rhizomorphs
or    emanating hyphae
crystals presence
  absent
blue granules presence
  absent
Anatomy of laticifers
presence
  absent
Anatomical features of the mantle
completeness
  complete
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 net cells shape
  not applicable
hyphal net cells diameter
  not applicable
hyphal net cells length
  not applicable
hyphal net cell walls habit
  not applicable
hyphal net cell walls thickness
  not applicable
hyphal net clamps presence
  not applicable
hyphal system kind
  undifferentiated
hyphae arrangement
  not specific
septa thickness {relative to cell walls}
  thinner than walls
septa clamps presence
  present
cell shape
  cylindric, not constricted at septa
cell pigment location-colour
  membranaceously brownish
cell contents presence-kind
  absent
cell diameter
2.5 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)
cell wall thickness
0.1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 µm    Upper value of unspecified range (could be µ+s.d., but not known)
cell wall surface habit
  smooth
and    with few soil particles
crystals presence-shape
  absent
drops of exuded pigment presence
  absent
roundish plasmatically yellow cells presence
  absent
pigment granula on surface presence
  absent
Anatomy of the middle mantle layer
presence
  present
organisation
  plectenchymatous
hyphae arrangement
  plectenchymatous, with broad streaks of parallel hyphae
cell pigment location-colour
  membranaceously brownish
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 thickness
0.1 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.4 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
or    pseudoparenchymatous [transitional]
hyphae arrangement
  without pattern
septa clamps presence
  absent
cell pigment location-colour
  membranaceously brownish
cell diameter
4.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 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}
23 µm    Lower value of unspecified range (could be µ-s.d., but not known)
36 µm    Upper value of unspecified range (could be µ+s.d., but not known)
mantle different layers presence
  discernable
outer mantle layer organisation
  plectenchymatous
outer mantle layer hyphae tangentially length
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
22 µm    Upper value of unspecified range (could be µ+s.d., but not known)
outer mantle layer hyphae radially diameter
1.5 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)
middle mantle layer presence
  present
middle mantle layer organisation
  plectenchymatous
middle mantle layer hyphae tangentially length
6.5 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)
middle mantle layer hyphae radially diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
8 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer organisation
  plectenchymatous
or    pseudoparenchymatous [transitional]
inner mantle layer hyphae tangentially length
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6.5 µm    Upper value of unspecified range (could be µ+s.d., but not known)
inner mantle layer hyphae radially diameter
3 µm    Lower value of unspecified range (could be µ-s.d., but not known)
6.5 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    tangentially-oval to -elliptic or -cylindrical, and oriented in parallel to root axis
anatomy mantle longitudinal section cortical (epidermal) cells tangentially length
9 µm    Lower value of unspecified range (could be µ-s.d., but not known)
42 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy mantle longitudinal section cortical (epidermal) cells radially diameter
8 µm    Lower value of unspecified range (could be µ-s.d., but not known)
16 µm    Upper value of unspecified range (could be µ+s.d., but not known)

Anatomy of the Hartig net in longitudinal section
presence
  present
kind
  paraepidermal
structure {in plan view}
  infrequently lobed
lobes width
1 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)
Anatomy of the mantle in cross-section



Anatomy of the emanating elements in general
anastomoses type
  open, with a short bridge or bridge almost lacking
anastomoses surface habit
  smooth
anastomoses anastomosal bridge thickness {relative to hyphae}
  as thick as
Anatomy of cystidia


Anatomy of emanating hyphae
shape
  straight
cell pigment location-colour
  membranaceously brownish [yellowish brown]
drops of exuded pigment presence
  absent

Anatomy of the ramification of emanating hyphae
presence
  present
kind
  Y-shaped
distance {from septum}
  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
  present
clamps surface kind
  smooth
clamps outline {in dorsal view}
  oval
clamps width {relative to hypha in dorsal view}
  thinner than
clamps outline {in lateral view}
  less than a semicircle
clamps width {relative to hypha in lateral view}
  thinner than

Anatomy of secondary septa of emanating hyphae
presence
  present
abundance
  abundant
distribution
  partially crowded

Anatomy of the cells of emanating hyphae
anatomy emanating elements emanating hyphae cell 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)
anatomy emanating elements emanating hyphae cell length
15 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)
anatomy emanating elements emanating hyphae cell wall surface habit
  smooth
anatomy emanating elements emanating hyphae cell wall thickness
0.5 µm    Lower value of unspecified range (could be µ-s.d., but not known)
0.9 µm    Upper value of unspecified range (could be µ+s.d., but not known)
anatomy emanating elements emanating hyphae cell wall {apart from tip} evenness
  even in thickness


Anatomy of rhizomorphs
type
  undifferentiated; hyphae rather loosely woven and of uniform diameter
(type A)
internal nodia presence
  absent
gelatinized hyphae presence
  absent
hyphae distinctly different diameter
  absent
cup-like structures on surface presence
  absent
conical young side-branches presence
  absent
a "ball" of intertwined, ramified, thin hyphae presence
  absent

Anatomy of hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  present, not specified
roundish plasmatically yellow cells presence
  absent
Anatomy of vessel-like or thickened hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  present, not specified
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
Anatomy of central non-vessel-like hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  present, not specified
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
Anatomy of peripheral hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  present, not specified
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
Anatomy of solitary thick-walled hyphae in rhizomorphs
anatomy emanating elements rhizomorphs clamps presence
  present, not specified
anatomy emanating elements rhizomorphs hyphae roundish plasmatically yellow cells presence
  absent
Anatomy of chlamydospores
presence
  absent
Anatomy of haustoria
{of ectomycorrhiza former} presence
  absent
{of foreign origin} presence
  absent

Chemical reactions

reaction with cotton-blue-lactic-acid presence
  present [emanating hyphae slightly blue]
reaction with ethanol 70% presence
  absent
reaction with KOH 10% presence
  present [whole mycorrhiza bleaching]
reaction with lactic acid presence
  present [whole mycorrhiza bleaching]
reaction with Melzer's reagent presence
  amyloid
amyloidity or dextrinoidity location
  septa, globular thickenings of septa
reaction with NH4OH
  absent
reaction with sulpho-vanillin presence
  absent

Ecology

geographic occurrence continent
  South America

Tree

plant family
  Betulaceae
plant genus
  Alnus
plant habitat kind
  forests, woods

Fungus

family
  Thelephoraceae ss. Stalpers. excl. Tylospora

– Item listing –