| • references | |
| Agerer R (1995) Anatomical characteristics of identified ectomycorrhizas: an attempt towards a natural classification. In Varma AK, Hock B (eds.) Mycorrhiza: Structure, function, molecular biology and biotechnology. Springer, Berlin, Heidelberg, pp. 685-734. 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) |
| 7 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • ramification presence-type | |
| monopodial-pinnate | |
| or | monopodial-pyramidal |
| • 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 | |
| • 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 | |
| absent | |
| • colour | |
| brown | |
| or | white |
| • very tip colour | |
| yellowish | |
| or | whitish |
| • 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 | |
| shiny | |
| • mantle surface {in detail} kind | |
| densely cottony | |
| or | loosely cottony |
| • emanating hyphae presence | |
| present | |
| • emanating hyphae abundance | |
| abundant | |
| • presence | |
| absent | |
| • presence | |
| absent | |
| • organisation | |
| plectenchymatous | |
| • mantle type | |
| hyphae rather irregularly arranged and no special pattern discernible (type B) | |
| • hyphal system kind | |
| undifferentiated | |
| • septa clamps presence | |
| absent | |
| • cell shape | |
| cylindric, not constricted at septa | |
| • cell 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) |
| • cell wall surface habit | |
| smooth | |
| • organisation | |
| plectenchymatous | |
| • hyphae arrangement | |
| plectenchymatous, without pattern | |
| • cell diameter | |
| 2.5 µm | Minimum value |
| 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) |
| • cell wall surface habit | |
| smooth | |
| • organisation | |
| plectenchymatous | |
| • hyphae arrangement | |
| without pattern | |
| • septa clamps presence | |
| absent | |
| • cell 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) |
| • cell length | |
| 0 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) |
| • mantle thickness {apart from tip} | |
| 10 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 30 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • presence | |
| present | |
| • shape | |
| wavy | |
| or | irregularly inflated or even beaded |
| • clamps presence | |
| present | |
| • clamps hole presence | |
| absent | |
| • presence | |
| present | |
| • abundance | |
| infrequent | |
| • distribution | |
| not specified | |
| • anatomy emanating elements emanating hyphae cell shape | |
| with ellbow-like protrusions | |
| • anatomy emanating elements emanating hyphae cell shape {at distal end} | |
| inflated | |
| • anatomy emanating elements emanating hyphae cell diameter | |
| 2.5 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 wall surface habit | |
| smooth | |
| • anatomy emanating elements emanating hyphae cell wall thickness at tip {relative to remaining cell wall} | |
| thinner | |
| • type | |
| lacking, only emanating hyphae present (type G) |
|
| • reaction with cotton-blue-lactic-acid presence | |
| present [strongly blue] | |
| • geographic occurrence continent | |
| Europe | |
| • plant family | |
| Betulaceae | |
| • plant genus | |
| Betula | |
| • plant habitat kind | |
| nursery | |
| • family | |
| Tricholomataceae | |
| • fruitbodies growth habit | |
| epigeous | |
| or | pileate-lamellate |
| • public notes | |
| Mycorrhizal systems with irregularly spaced, short branches; mycorrhizal ends white to fawn when young, darkening with age; young mantle in cotton-blue with strongly stained hyphae. | |