"Alnirhiza texta" + Alnus

Literature

• references
	Pritsch K (1996) Untersuchungen zur Diversität und Ökologie von Mykorrhizen der Schwarzerle (Alnus glutinosa (L.) Gaertn.). Diss Univ Tübingen. Pritsch K, Munch JC, Buscot F (1997) Morphological and anatomical characterization of black alder Alnus glutinosa (L.) Gaertn. ectomycorrhizas. Mycorrhiza 7: 201-216.

Morphology

Morphology of the mycorrhizal system

• ramification presence-type
	absent
or	monopodial-pinnate
• 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
0.5 mm	Lower value of unspecified range (could be µ-s.d., but not known)
1.5 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
or	abundant

Morphology of the unramified ends

• shape
	straight
or	sinuous
• shape {of distal end}
	tapering
• length
0 mm	Lower value of unspecified range (could be µ-s.d., but not known)
25 mm	Upper value of unspecified range (could be µ+s.d., but not known)
• diameter
0.5 mm	Lower value of unspecified range (could be µ-s.d., but not known)
1.2 mm	Upper value of unspecified range (could be µ+s.d., but not known)
• colour
	white
• older parts colour
	brown
• mantle {distinct} surface visibility
	present
• mantle laticifers visibility
	absent
• mantle dots presence-colour
	absent
• mantle carbonizing presence
	absent
• mantle surface {in general} habit
	silvery
or	covered with soil particles
or	not smooth
• emanating hyphae presence
	present
• emanating hyphae abundance
	abundant
• emanating hyphae distribution
	not specifically distributed

Morphology of rhizomorphs

• diameter
0 mm	Lower value of unspecified range (could be µ-s.d., but not known)
0.3 mm	Upper value of unspecified range (could be µ+s.d., but not known)
• cross-section shape
	round or roundish
• colour
	concolourous to mantle
or	whitish
• ramification kind-frequency
	frequently, at restricted points
• connection to mantle kind
	distinct
• origin location
	not specific
• margin habit
	hairy

Morphology of sclerotia

• presence
	absent

Anatomy

Anatomical features of the entire mycorrhiza

• emanating elements presence-type
	rhizomorphs
or	cystidia
• emanating elements cystidia location
	on outer mantle layer

Anatomy of laticifers

• presence
	absent

Anatomical features of the mantle

Anatomy of the outer mantle layer apart from the ectormycorrhizal tip

• organisation
	plectenchymatous
• hyphal system kind
	undifferentiated
• cell shape
	slightly inflated in middle portions
• cell diameter
3.5 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)
15 µm	Maximum value
• cell wall thickness
0.2 µm	Mean (= average)
• cell wall surface habit
	smooth

Anatomy of the middle mantle layer

• organisation
	plectenchymatous
• hyphae arrangement
	plectenchymatous, with broad streaks of parallel hyphae
• cell diameter
4 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)
• cell length
20 µm	Lower value of unspecified range (could be µ-s.d., but not known)
90 µm	Upper value of unspecified range (could be µ+s.d., but not known)
• cell contents presence-kind
	oily droplets, which do not stain in sulpho-vanillin
• cell wall thickness
0.2 µm	Mean (= average)
• cell wall surface habit
	smooth

Anatomy of the inner mantle layer

• organisation
	plectenchymatous
• hyphae arrangement
	without pattern
• septa clamps presence
	absent
• cell diameter
4 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)
• cell length
6 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 of the mantle in longitudinal section

• mantle thickness {apart from tip}
35 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)
• mantle different layers presence
	discernable
• outer mantle layer organisation
	plectenchymatous
• middle mantle layer organisation
	plectenchymatous
• middle mantle layer hyphae radially diameter
3 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)
• inner mantle layer organisation
	plectenchymatous

Anatomy of the tannin cells in longitudinal section

• presence
	absent

Anatomy of the Hartig net in longitudinal section

• presence
	present
• kind
	paraepidermal
• anatomy mantle longitudinal section hyphal cells around cortical cells (epidermal) thickness
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 mantle longitudinal section hyphal rows around cortical (epidermal) cells number
	one
• structure {in plan view}
	of palmetti type

Anatomy of the mantle in cross-section

• mantle different layers presence
	discernible
• outer mantle layer organisation
	plectenchymatous
• middle mantle layer organisation
	plectenchymatous
• middle mantle layer hyphae radially diameter
3 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)
• inner mantle layer organisation
	plectenchymatous

Anatomy of the tannin cells in cross-section

• presence
	absent

Anatomy of the Hartig net in cross-section

• anatomy mantle cross-section hyphal cells around cortical (epidermal) cells thickness
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 mantle cross-section hyphal rows around cortical (epidermal) cells number
	one
• structure {in plan view}
	of palmetti type

Anatomy of the emanating elements in general

• septal pores configuration
	dolipore-like structures
• anastomoses type
	open, with a short bridge or bridge almost lacking

Anatomy of cystidia

Anatomy of cystidia (type 1)

• type
	capitate (type N)
• diameter {proximal}
3.5 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 emanating hyphae

Anatomy of the septa of emanating hyphae

• clamps presence
	present

Anatomy of secondary septa of emanating hyphae

• 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)
6 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
0.2 µm	Mean (= average)
1 µm	Maximum value

Anatomy of rhizomorphs

• type
	differentiated; some hyphae very thick, which appear randomly distributed, pores of septa somtimes enlarged (type D)
• gelatinous matrix presence
	present

Anatomy of hyphae in rhizomorphs

• anatomy emanating elements rhizomorphs clamps presence
	on central and peripheral hyphae
• ampullate, trumpet-like inflated presence
	absent

Anatomy of vessel-like or thickened hyphae in rhizomorphs

• anatomy emanating elements rhizomorphs clamps presence
	on central and peripheral hyphae
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
	absent

Anatomy of central non-vessel-like hyphae in rhizomorphs

• anatomy emanating elements rhizomorphs clamps presence
	on central and peripheral hyphae
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
	absent

Anatomy of peripheral hyphae in rhizomorphs

• anatomy emanating elements rhizomorphs clamps presence
	on central and peripheral hyphae
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
	absent

Anatomy of solitary thick-walled hyphae in rhizomorphs

• anatomy emanating elements rhizomorphs clamps presence
	on central and peripheral hyphae
• anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence
	absent

Anatomy of chlamydospores

• presence
	absent

Anatomy of haustoria

• {of ectomycorrhiza former} presence
	absent

Ecology

• geographic occurrence continent
	Europe

Tree

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

Remarks

• public notes
	Mycorrhizals systems irregularly monopodial-pinnate; mycorrhizal ends covered with few soil particles, short hairy, slightly sinuous, slightly tapering, very tips with visible red root apex, older parts dull brown or light brown due to root colour; emanating hyphae with inflated portions of 10-15 um diam.; Hartig net in plan view a delicate palmetti structure.

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