| Name | Number |
|---|
| Water nutrients, | 1.01A, | |
| Soil moisture: 1. water table, | 1.02, | |
| Soil moisture: 2. drainage, | 1.03, | |
| Soil pH: 1. extreme maximum, | 1.06, | |
| Water pH: 1. extreme maximum, | 1.06A, | |
| Soil pH: 2. extreme minimum, | 1.07, | |
| Water pH: 2. extreme minimum, | 1.07A, | |
| Soil pH: 3. typical maximum, | 1.08, | |
| Water pH: 3. typical maximum, | 1.08A, | |
| Soil pH: 4. typical minimum, | 1.09, | |
| Water pH: 4. typical minimum, | 1.09A, | |
| Maximum depth of leaves, | 1.10A, | |
| Exposure, | 1.11, | |
| Flow, | 1.15A, | |
| First historical record: 2. site, | 2.05, | |
| Fossil record: 1. earliest record, | 2.06, | |
| Fossil record: 2. earliest postglacial record, | 2.07, | |
| Fossil record: 3. postglacial frequency (no. sites), | 2.08, | |
| Range: 1. european countries where native, | 2.09, | |
| Range: 2. european countries where introduced, | 2.10, | |
| Range: 4. continents where introduced, | 2.12, | |
| British distribution (post 1949 records), | 2.15, | |
| British distribution (all records), | 2.16, | |
| Leaf position, | 3.02A, | |
| Height: 2. extreme minimum (cm), | 3.04, | |
| Stomata: 2. density on lower surface(no/mm2), | 3.20, | |
| Stomata: 3. density on upper surface (no/mm2), | 3.21, | |
| Leaf longevity: 2. number of months, | 3.23, | |
| Root system, | 3.24, | |
| Root depth: 2. depth (cm), | 3.26, | |
| Fine root diameter (um), | 3.27, | |
| Root hairs, | 3.28, | |
| Root hair length (mm), | 3.29, | |
| Root persistence, | 3.30, | |
| Seedling growth rate - maximum (/d), | 4.01, | |
| Mature leaf N concentration (mg/g), | 4.03, | |
| Mature leaf P concentration (mg/g), | 4.04, | |
| Response to drought, | 4.08, | |
| Response to frost (non-woody tissue), | 4.09, | |
| Response to frost (seedlings), | 4.10, | |
| Vegetative reproduction/persistence: 2. pattern, | 5.06, | |
| Flowering time: 3. peak month, | 5.09, | |
| Photoperiodism: 1. type, | 5.10, | |
| Photoperiodism: 2. threshold value (h), | 5.11, | |
| Pollen: 1. mono/di-morphic, | 5.12, | |
| Pollen: 2. diameter (um), | 5.13, | |
| Pollen viability, | 5.14, | |
| Heteromorphy, | 5.18, | |
| Fertilization, | 5.19, | |
| Inbreeding (%), | 5.21, | |
| Pollen/ovule ratio, | 5.23, | |
| Seed/ovule ratio, | 5.24, | |
| Annual seed dispersal, | 5.29, | |
| Seed weight: 1. maximum (mg), | 5.32, | |
| Seed weight: 2. minimum (mg), | 5.33, | |
| Seed production: 1. maximum (/flower), | 5.35, | |
| Dispersal agent, | 5.38, | |
| After-ripening requirement, | 5.40, | |
| Maximum temperature of germination, | 5.41, | |
| Maximum temperature at which 50% seeds germinate, | 5.42, | |
| Minimum temperature germination, | 5.43, | |
| Minimum temperature at which 50% seeds germinate, | 5.44, | |
| Germination requirements 1. chilling, | 5.45, | |
| Germination requirements 2. light, | 5.46, | |
| Germination requirements 3. temperature fluctuation, | 5.47, | |
| Seed viability, | 5.49, | |
| Seedbank longevity, | 5.50, | |
| Seedbank density: recorded values, | 5.51, | |
| Response to vertebrate grazing, | 6.01, | |
| Physical defences on flowers/fruits, | 6.04, | |
| Physical defences on buds, | 6.05, | |
| Mean Spore Diameter (Pteridophytes) (µ m ), | 5.57, | |
