• references | |
Giltrap NJ (1979) Experimental studies on the establishment and stability of ectomycorrhizas. Diss Univ Sheffield. Ingleby K, Mason PA, Last FT, Fleming LV (1990) Identification of ectomycorrhizas. ITE Research Publication no. 5. HMSO, London. |
• length | |
0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
12 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
• ramification presence-type | |
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 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
0.5 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 |
• shape | |
bent | |
or | sinuous |
• shape {of distal end} | |
not inflated, cylindric | |
• colour | |
brown | |
• older parts colour | |
dark brown | |
• mantle {distinct} surface visibility | |
present | |
• mantle transparency | |
not transparent | |
• mantle dots presence-colour | |
absent | |
• mantle carbonizing presence | |
absent | |
• mantle surface {in general} habit | |
smooth | |
• emanating hyphae presence | |
present | |
• emanating hyphae abundance | |
infrequent |
• presence | |
absent |
• presence | |
absent | |
or | present |
• location | |
inner mantle layer | |
• shape | |
straight and even | |
• cell 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) |
• organisation | |
pseudoparenchymatous | |
• organisation {if pseudoparenchymatous} cell shape | |
epidermoid, puzzle-like, jig-saw-shaped | |
• septa thickness {relative to cell walls} | |
as thick as walls | |
• septa clamps presence | |
absent | |
• cell diameter | |
3 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) |
• cell length | |
3 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) |
• cell density | |
6 | Minimum value |
8 | Lower value of unspecified range (could be µ-s.d., but not known) |
12 | Upper value of unspecified range (could be µ+s.d., but not known) |
• cell wall surface habit | |
smooth |
• organisation | |
pseudoparenchymatous | |
• hyphae arrangement | |
plectenchymatous, without pattern | |
• cell diameter | |
7 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) |
• cell length | |
7 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) |
• cell wall surface habit | |
smooth |
• organisation | |
plectenchymatous | |
• hyphae arrangement | |
without pattern | |
• septa clamps presence | |
absent | |
• cell diameter | |
2 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) |
• mantle thickness {apart from tip} | |
15 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
25 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 | |
• lobes width | |
1.5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
4.5 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
• clamps presence | |
absent |
• anatomy emanating elements emanating hyphae cell diameter | |
3 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) |
• reaction with toluidin blue presence | |
present |
• geographic occurrence continent | |
Europe |
• plant family | |
Betulaceae | |
• plant genus | |
Betula | |
• plant habitat kind | |
forests, woods |
• family | |
Russulaceae | |
• subgenus-section | |
Lactarius sect. Russulares | |
• fruitbodies growth habit | |
epigeous | |
or | pileate-lamellate |
• public notes | |
Mycorrhizae are pale buff when young, changing to dark siena-brown with age; in toluidin-blue all mantle features can best be seen. |