condition mean min max Sterile Leaflet 0.5726113333333334 0.0 1.3148 Fertile Leaflet with Sori 3.1670533333333335 0.0 9.09473 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.277179 0.0 0.831537 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0