condition mean min max Sterile Leaflet 4.116585 0.769185 8.96693 Fertile Leaflet with Sori 0.17380933333333334 0.0 0.335648 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.206278 0.0 0.618834 Petiole 0.11677566666666667 0.0 0.190357 Crozier 0.0 0.0 0.0 Root 0.057978 0.0 0.173934