condition mean min max Sterile Leaflet 2.1733233333333333 0.0 3.30898 Fertile Leaflet with Sori 2.88407 2.40972 3.35886 Petiole 2.80808 2.42321 3.55644 Rhizome 2.5688 1.67072 3.66142 Root 1.2573889999999999 0.535467 1.7541