condition mean min max Sterile Leaflet 3.9859470000000004 0.273581 7.83961 Fertile Leaflet with Sori 3.028453333333333 1.71153 5.04391 Primary Rachis 0.06504966666666666 0.0 0.195149 Secondary Rachis 2.8959770000000002 0.508211 4.54967 Petiole 0.0190529 0.0 0.0571587 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0