condition mean min max Sterile Leaflet 0.531724 0.37743 0.712018 Fertile Leaflet with Sori 0.69475 0.0 1.97402 Primary Rachis 2.1297913333333334 0.795194 3.07428 Secondary Rachis 1.57887 1.03995 2.2672 Petiole 1.75731 0.0 3.43729 Crozier 2.34809 1.31035 3.84792 Root 0.41016833333333336 0.327237 0.476122