| delta 13C | stomatal process related trait | growth chamber study | ratio | 1 | Natural variation in stomata size (Dittberner et al. 2018) | -34.6301980781 |
| Root length (Day 1) | root length | limited iron regimen | millimeter | 1 | Satbhai et. al. Nature Communications 2017 | 2.060246917 |
| Root length (Day 2) | root length | limited iron regimen | millimeter | 1 | Satbhai et. al. Nature Communications 2017 | 5.852795 |
| Root length (Day 3) | root length | limited iron regimen | millimeter | 1 | Satbhai et. al. Nature Communications 2017 | 8.409707167 |
| Root length (Day 4) | root length | limited iron regimen | millimeter | 1 | Satbhai et. al. Nature Communications 2017 | 9.041204083 |
| Root length (Day 5) | root length | limited iron regimen | millimeter | 1 | Satbhai et. al. Nature Communications 2017 | 9.074890833 |
| stomatasize | stomatal process related trait | growth chamber study | millimeter | 1 | Natural variation in stomata size (Dittberner et al. 2018) | 102.0809 |
| Trichome stem length | trichome morphology trait | growth chamber study | micrometer | 1 | trichome_development_epidermis_metal_traits | 0.24 |
| Trichome length | trichome morphology trait | growth chamber study | length unit | 1 | trichome_development_epidermis_metal_traits | 5244.062 |
| Trichome perimeter | trichome morphology trait | growth chamber study | length unit | 1 | trichome_development_epidermis_metal_traits | 2514.803 |
| Trichome circularity | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 0.07064 |
| Trichome solidity | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 0.34144 |
| Callose content in trichomes | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 2.199 |
| Trichome autofluorescence | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 1.0 |
| Leaf epidermis autofluorescence | leaf morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 2.0 |
| Autofluorescence color | trichome morphology trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 0.0 |
| Trichome density | leaf trichome density | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 4.0 |
| Metal ring in trichomes | mineral and ion content related trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 2.0 |
| Metal gradient in trichomes | mineral and ion content related trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 1.0 |
| Metal in trichome base | mineral and ion content related trait | growth chamber study | dimensionless unit | 1 | trichome_development_epidermis_metal_traits | 1.0 |
