condition mean min max Sterile Leaflet 431.9803333333333 382.755 520.992 Fertile Leaflet with Sori 479.581 367.056 563.676 Primary Rachis 360.5973333333333 324.648 392.972 Secondary Rachis 361.366 317.615 431.928 Petiole 444.171 420.635 474.605 Crozier 503.157 359.833 613.579 Root 195.786 140.504 269.917