| • references | |
| Eberhart J, Luoma D (1996) Truncocolumella citrina Zeller + Pseudotsuga menziesii (Mirb.) Franco. In Goodman DM, Durall DM, Trofymow JA, Berch SM (eds) Concise descriptions of North American ectomycorrhizae. Mycologue Publications, and Canada-B. C. Forest Resource Development Agreement, Canadian Forest Service, Victoria, B. C., pp CDE9.1-9.4. Massicotte HB, Molina R, Luoma DL, Smith J (1994) Biology of the ectomycorrhizal genus, Rhizopogon. II. Patterns of host-fungus specificity following spore inoculation of diverse hosts grown in monoculture and dual culture. New Phytol 126: 677-690. |
|
| • length | |
| 5 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 30 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • ramification presence-type | |
| monopodial-pinnate | |
| • main axis diameter | |
| 0.5 mm | Minimum value |
| 0.7 mm | Mean (= average) |
| 0.9 mm | Maximum value |
| • 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 | |
| • exploration type | |
| long distance | |
| • shape | |
| straight | |
| or | bent |
| • shape {of distal end} | |
| not inflated, cylindric | |
| • length | |
| 0 mm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 2 mm | Upper value of unspecified range (could be µ+s.d., but not known) |
| 3 mm | Maximum value |
| • diameter | |
| 0.4 mm | Minimum value |
| 0.5 mm | Mean (= average) |
| 0.6 mm | Maximum value |
| • colour | |
| dark brown | |
| or | yellow |
| • very tip colour | |
| yellow | |
| • older parts colour | |
| dark brown | |
| • mantle cortical cells visibility | |
| not visible | |
| • mantle {distinct} surface visibility | |
| present | |
| • mantle transparency | |
| not transparent | |
| • mantle laticifers visibility | |
| absent | |
| • mantle dots presence-colour | |
| absent | |
| • mantle surface {in general} habit | |
| silvery | |
| or | smooth |
| or | not smooth |
| • mantle surface {in detail} kind | |
| loosely stringy | |
| or | forming rings (reticulate) |
| • emanating hyphae presence | |
| present | |
| • emanating hyphae abundance | |
| infrequent | |
| • emanating hyphae distribution | |
| not specifically distributed | |
| • cross-section shape | |
| round or roundish | |
| • colour | |
| black | |
| or | brown |
| or | ochre, yellowish brown |
| • ramification kind-frequency | |
| infrequently, at restricted points | |
| • connection to mantle kind | |
| distinct | |
| • origin location | |
| not specific | |
| • margin habit | |
| smooth | |
| • dimorphism presence | |
| absent | |
| • presence | |
| absent | |
| • emanating elements presence-type | |
| rhizomorphs | |
| • presence | |
| absent | |
| • organisation | |
| plectenchymatous | |
| • mantle type | |
| ring-like arrangement of hyphal bundles (type A) | |
| • septa thickness {relative to cell walls} | |
| as thick as walls | |
| • cell pigment location-colour | |
| absent | |
| and | membranaceously yellowish |
| and | plasmatically yellowish |
| • cell diameter | |
| 5 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 9 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • organisation | |
| plectenchymatous | |
| • hyphae arrangement | |
| plectenchymatous, ring-like | |
| • 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 | |
| ring-like | |
| • cell pigment location-colour | |
| absent | |
| or | membranaceously yellowish |
| • 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) |
| • cell pigment location-colour | |
| absent | |
| • clamps presence | |
| present | |
| • presence | |
| absent | |
| • 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 | |
| or | rough of warts |
| • type | |
| undifferentiated; margins rather smooth; hyphae compactly arranged and of uniform diameter (type B) |
|
| • cup-like structures on surface presence | |
| absent | |
| • ampullate, trumpet-like inflated presence | |
| absent | |
| • anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
| absent | |
| • anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
| absent | |
| • anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
| absent | |
| • anatomy emanating elements rhizomorphs hyphae ampullate, trumpet-like inflated presence | |
| absent | |
| • presence | |
| present | |
| • type | |
| special features lacking | |
| • diameter | |
| 14 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 19 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • length | |
| 19 µm | Lower value of unspecified range (could be µ-s.d., but not known) |
| 57 µm | Upper value of unspecified range (could be µ+s.d., but not known) |
| • geographic occurrence continent | |
| North America | |
| • knowledge about association with foreign fruitbodies presence | |
| unknown | |
| • plant family | |
| Pinaceae | |
| • plant genus | |
| Pseudotsuga | |
| • plant habitat kind | |
| forests, woods | |
| • family | |
| Rhizopogonaceae | |
| • fruitbodies growth habit | |
| hypogeous | |
| or | gastroid |
| • public notes | |
| Mycorrhizal systems compact to open; mycorrhizal ends bright yellow to dark brown, very tips bright yellow, or yellow with dark yellowish brown patches; in KOH mantle a reaction lacking, but whole mycorrhizae turn reddish brown, pigment soluble; in H2O brown pigments soluble. | |