| Name | Number | Value |
|---|
| Soil nutrients, | 1.01, | infertile, |
| Soil nutrients, | 1.01, | very infertile, |
| Soil pH: 1. extreme maximum, | 1.06, | 7.56, |
| Water pH: 1. extreme maximum, | 1.06A, | 6.85, |
| Soil pH: 2. extreme minimum, | 1.07, | 3.97, |
| Water pH: 2. extreme minimum, | 1.07A, | 3.86, |
| Soil pH: 3. typical maximum, | 1.08, | 6.56, |
| Water pH: 3. typical maximum, | 1.08A, | 6.19, |
| Soil pH: 4. typical minimum, | 1.09, | 4.62, |
| Water pH: 4. typical minimum, | 1.09A, | 4.57, |
| Shade, | 1.10, | none, |
| Altitude: 1. maximum recorded (m), | 1.12, | 915, |
| Altitude: 2. minimum recorded (m), | 1.13, | 8, |
| Status, | 2.01, | native, |
| Typical abundance where naturally occurring, | 2.02, | frequent, |
| First historical record: 1. date, | 2.04, | 1597, |
| First historical record: 2. site, | 2.05, | Swanscombe, Kent & Hampstead, Londo, |
| Range: 3. continents where native, | 2.11, | Europe, |
| SN Index, | 2.13, | 4.83, |
| EW Index, | 2.14, | 5.29, |
| number of European countries in which native, | 2.17, | 23, |
| Stems: 1. woodiness, | 3.01, | non-woody, |
| Stems: 2. support, | 3.02, | self-supporting, |
| Height: 2. extreme minimum (cm), | 3.04, | 4, |
| Height: 3. typical maximum (cm), | 3.05, | 50, |
| Height: 4. typical minimum (cm), | 3.06, | 15, |
| Spread, | 3.07, | height > width, |
| Heterophylly, | 3.08, | none, |
| Leaf shape: 1. type, | 3.09, | simple, |
| Leaf shape: 2. outline, | 3.10, | entire, |
| Leaf shape: 3. pointed/round, | 3.11, | pointed, |
| Leaf shape: 4. length versus breadth, | 3.12, | >3 times as long as wide, |
| Leaf shape: 5. leaf base, | 3.13, | cuneate, |
| Leaf shape: 6. petiole, | 3.14, | sheathing, |
| Leaf shape: 7. minimum petiole length (mm), | 3.15, | 0, |
| Leaf shape: 8. maximum petiole length (mm), | 3.16, | 0, |
| Leaf longevity: 1. type, | 3.22, | aestival, |
| Photosynthetic pathway, | 4.02, | C3, |
| Heavy metal resistance, | 4.05, | none, |
| Carnivory, | 4.06, | does not kill insects, |
| Nutrition, | 4.07, | autotrophic, |
| Life-form, | 5.01, | geophyte, |
| Longevity of stems (yrs), | 5.02, | <1, |
| Vegetative reproduction/persistence: 1. method, | 5.05, | tubers, |
| Flowering time: 1. earliest month, | 5.07, | 5, |
| Flowering time: 1. earliest month, | 5.07, | 5, |
| Flowering time: 2. latest month, | 5.08, | 8, |
| Flowering time: 2. latest month, | 5.08, | 8, |
| Pollen vector, | 5.15, | insect, |
| Pollen vector, | 5.15, | insect, |
| Dicliny, | 5.16, | hermaphrodite, |
| Fertilization, | 5.19, | apomictic, |
| Chromosome number(s): 1. number, | 5.25, | 80, |
| Chromosome number(s): 1. number, | 5.25, | 40, |
| Chromosome number(s): 1. number, | 5.25, | 60, |
| Seed weight: 3. mean (mg), | 5.34, | 0.01, |
| Seed production: 3. typical range (/plant), | 5.37, | >10000, |
| Dispersal agent, | 5.38, | wind, |
| Normal method of propagation, | 5.52, | seed, |
| Conservation Status, | 7.01, | , |
| Rarity Status, | 7.02, | Present, |
| Change Index, | 7.03, | -0.42, |
| Biome, | 7.04, | Boreo-Temperate, |
| Eastern Limit, | 7.05, | Euro-Siberian, |
| Continentality, | 7.06, | Not continental, |
| Northern Limit in Britain, | 7.07, | No, |
| Northern European Limit (Lat, 5?Ǭ? band), | 7.08, | >65, |
| Southern European Limit (Latitude, 5?Ǭ? band), | 7.09, | <45, |
| Southern European Limit, | 7.10, | No, |
| January mean temperature, | 7.11, | 3.40000009536743, |
| July mean temperature, | 7.12, | 14.1000003814697, |
| Annual precipitation, | 7.13, | 1221, |
| Ellenberg Indicator: Light, | 7.14, | 7, |
| Ellenberg : Moisture, | 7.15, | 7, |
| Ellenberg: pH, | 7.16, | 3, |
| Ellenberg Indicator: Nitrogen, | 7.17, | 2, |
| Ellenberg Indicator: Salt, | 7.18, | 0, |
| Life Form: normal state, | 7.19, | Non-bulbous geophyte, |
| Life Form: less frequent state, | 7.20, | , |
| Clonality: normal state, | 7.21, | Little or no vegetative spread, |
| Clonality: less frequent state, | 7.22, | , |
