condition mean min max Sterile Leaflet 12.436695 0.363515 29.205 Fertile Leaflet with Sori 5.71102 4.73738 6.57042 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.4964106666666668 0.309108 3.29517 Petiole 0.12479033333333334 0.0 0.374371 Crozier 0.0 0.0 0.0 Root 1.70447 0.0 3.23365