• 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 Russula sp.] |
• length | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
10 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• ramification presence-type | |
absent | |
or | monopodial-pinnate [irregularly] |
• 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) |
• abundance | |
solitary or in small numbers | |
• rhizomorphs as stout, short, conical structures presence-abundance | |
absent | |
• rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence | |
absent | |
• rhizomorphs presence | |
absent | |
• exploration type | |
short distance |
• 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) |
7 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• diameter | |
0.5 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
0.5 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.5 mm | Mean (= average) |
• colour | |
ochre, yellowish brown | |
• older parts colour | |
brown | |
• mantle cortical cells visibility | |
not visible | |
• mantle {distinct} surface visibility | |
present | |
• mantle transparency | |
not transparent | |
• mantle laticifers visibility | |
absent | |
• mantle secreted latex {after scratching mantle} presence | |
absent | |
• mantle dots presence-colour | |
absent | |
• mantle carbonizing presence | |
absent | |
• mantle surface {in general} habit | |
not smooth | |
• mantle surface {in detail} kind | |
densely long-spiny | |
or | loosely long-spiny |
• emanating hyphae presence | |
present |
• presence | |
absent |
• emanating elements presence-type | |
emanating hyphae | |
• crystals presence | |
absent | |
• blue granules presence | |
absent |
• presence | |
absent | |
• anatomy entire mycorrhiza laticiferous solitary (gloeoplerous) cells presence | |
absent |
• completeness | |
complete |
• 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 | |
• clavate end cell cover presence | |
absent | |
• hyphal system kind | |
undifferentiated | |
• hyphae short protrusions presence | |
absent | |
• septa thickness {relative to cell walls} | |
as thick as walls | |
• septa clamps presence | |
absent | |
• cell shape | |
cylindric, not constricted at septa | |
• cell pigment location-colour | |
membranaceously yellowish | |
• cell contents presence-kind | |
absent | |
• cell diameter | |
1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2 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 |
• drops of exuded pigment presence | |
absent | |
• pigment granula on surface presence | |
absent |
• presence | |
present | |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
plectenchymatous, with broad streaks of parallel hyphae | |
• cell pigment location-colour | |
membranaceously yellowish | |
• 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 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 |
• organisation | |
plectenchymatous | |
or | pseudoparenchymatous [transitional] |
• hyphae vessel-like presence | |
absent | |
• septa clamps presence | |
absent | |
• cell pigment location-colour | |
membranaceously yellowish | |
• cell diameter | |
2 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
7 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• mantle thickness {apart from tip} | |
25 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
75 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 | |
2.5 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) |
• outer mantle layer hyphae radially diameter | |
1.5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2 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 | |
2.5 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) |
• middle mantle layer hyphae radially diameter | |
1.5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2 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 | |
3.5 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) |
• inner mantle layer hyphae radially diameter | |
2.5 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) |
• presence | |
absent |
• 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 | |
24 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
38 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy mantle longitudinal section cortical (epidermal) cells radially diameter | |
12 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
15 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• presence | |
present | |
• kind | |
paraepidermal | |
• structure {in plan view} | |
of palmetti type | |
• lobes width | |
1.5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2.5 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• intrahyphal hyphae presence | |
absent | |
• intrahyphal hyphae clamps presence | |
absent | |
• backwards-oriented ramifications presence | |
absent | |
• backwards-oriented clamps presence | |
present | |
• anastomoses type | |
open, with a long bridge | |
• anastomoses surface habit | |
smooth | |
• anastomoses cell wall thickness {relative to remaining cell walls} | |
as thick as |
• shape | |
straight | |
or | wavy |
• cell pigment location-colour | |
membranaceously yellowish | |
• drops of exuded pigment presence | |
absent |
• presence | |
present | |
• kind | |
Y-shaped | |
• distance {from septum} | |
in considerable distance from the septum | |
• side-branches at septum number | |
one side-branch at septum |
• clamps presence | |
absent |
• anatomy emanating elements emanating hyphae cell shape {at distal end} | |
simple | |
• anatomy emanating elements emanating hyphae cell diameter | |
1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
2 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy emanating elements emanating hyphae cell length | |
4 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
85 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• anatomy emanating elements emanating hyphae cell wall surface habit | |
smooth | |
or | with soil particles |
• anatomy emanating elements emanating hyphae cell wall thickness | |
0.1 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.4 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• presence | |
absent |
• presence | |
absent |
• {of ectomycorrhiza former} presence | |
absent | |
• {of foreign origin} presence | |
absent |
• 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 | |
present [whole mycorrhiza bleaching; Hartig net pink] |
• geographic occurrence continent | |
South America |
• plant family | |
Betulaceae | |
• plant genus | |
Alnus |
• family | |
Russulaceae [more likely a Thelephorceae, in spite of sequence results that affiliate this mycorrhiza to the genus Russula] |