condition mean min max Sterile Leaflet 23.649 19.8453 25.798 Fertile Leaflet with Sori 28.479733333333332 21.1515 41.7791 Primary Rachis 1.67105 1.21117 2.17703 Secondary Rachis 6.078103333333334 4.59251 8.36438 Petiole 0.92426 0.823102 0.993795 Crozier 1.292566 0.884538 1.91238 Root 0.805349 0.648575 0.948394