condition mean min max Sterile Leaflet 0.168911 0.0 0.34336 Fertile Leaflet with Sori 2.215759 0.153647 5.28498 Petiole 3.602773333333333 1.45172 7.26383 Crozier 0.483422 0.322429 0.754688 Rhizome 0.496439 0.143609 0.720305 Root 0.371944 0.153068 0.643016