condition mean min max Sterile Leaflet 0.163496 0.0 0.262927 Fertile Leaflet with Sori 1.1644656666666666 0.641817 1.77741 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.156555 0.0 0.469665 Rhizome 1.256191 0.428974 2.57615 Root 4.197503333333334 1.90066 5.81246