condition mean min max Sterile Leaflet 3.7135733333333336 3.46299 4.12539 Fertile Leaflet with Sori 3.43266 3.16238 3.73221 Primary Rachis 4.70056 3.84815 5.17062 Secondary Rachis 4.467420000000001 4.27345 4.5715 Petiole 5.460999999999999 4.54508 6.35992 Crozier 3.6844166666666665 3.09824 4.01326 Root 3.33261 2.647 4.26274