| • 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. Luppi Mosca AM (1963) Simbiosi micorrizica tra Betula alba L. var. pendula Roth ed Hebeloma mesophaeum (Pers. ex Fr.) Kummer. Giorn Bot Ital 70: 641-643. |
|
| • 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 |
| • 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) |
| 0.4 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • rhizomorphs as short mycorrhiza-like outgrowths with blunt tips presence | |
| absent | |
| • rhizomorphs presence | |
| absent | |
| • exploration type | |
| short distance | |
| • shape | |
| straight | |
| or | bent |
| • shape {of distal end} | |
| not inflated, cylindric | |
| or | tapering |
| • colour | |
| brown | |
| or | white |
| • older parts colour | |
| brown | |
| • mantle {distinct} surface visibility | |
| present | |
| • mantle transparency | |
| not transparent | |
| • mantle laticifers visibility | |
| absent | |
| • mantle dots presence-colour | |
| absent | |
| • mantle carbonizing presence | |
| absent | |
| • mantle surface {in general} habit | |
| silvery | |
| • mantle surface {in detail} kind | |
| densely cottony | |
| • emanating hyphae presence | |
| present | |
| • emanating hyphae abundance | |
| abundant | |
| • emanating hyphae distribution | |
| not specifically distributed | |
| • presence | |
| absent | |
| • presence | |
| absent | |
| • organisation | |
| plectenchymatous | |
| • mantle type | |
| hyphae rather irregularly arranged and no special pattern discernible (type B) | |
| • hyphal system kind | |
| undifferentiated | |
| • hyphae hyphal junctions angle {between} | |
| ca. 45° and less | |
| • cell shape | |
| cylindric, not constricted at septa | |
| • 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) |
| • cell wall surface habit | |
| smooth | |
| • organisation | |
| plectenchymatous | |
| • hyphae arrangement | |
| without pattern | |
| • septa clamps presence | |
| absent | |
| • cell diameter | |
| 0 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) |
| 20 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • mantle thickness {apart from tip} | |
| 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) |
| • shape | |
| not striking | |
| • cell pigment location-colour | |
| membranaceously brownish | |
| • presence | |
| present | |
| • kind | |
| acute | |
| or | approximately 90° |
| or | Y-shaped |
| • distance {from septum} | |
| one or two hyphal diam. below the septum | |
| or | in considerable distance from the septum |
| • side-branches at septum number | |
| one side-branch at septum | |
| • clamps presence | |
| present | |
| • clamps hole presence | |
| absent | |
| • presence | |
| absent | |
| or | present |
| • abundance | |
| infrequent | |
| • distribution | |
| not specified | |
| • 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) |
| • anatomy emanating elements emanating hyphae cell wall surface habit | |
| rough of warts | |
| • orientation | |
| irregularly | |
| • type | |
| lacking, only emanating hyphae present (type G) |
|
| • reaction with toluidin blue presence | |
| present | |
| • geographic occurrence continent | |
| Europe | |
| • plant family | |
| Betulaceae | |
| • plant genus | |
| Betula | |
| • plant habitat kind | |
| nursery | |
| • family | |
| Cortinariaceae | |
| • fruitbodies growth habit | |
| epigeous | |
| or | pileate-lamellate |
| • public notes | |
| Mycorrhizal systems infrequently branched; mycorrhizal ends silver-white when young, rapidly changing to rusty-tawny; in toluidin-blue incrustations of hyphae stain dark blue. | |