condition mean min max Sterile Leaflet 1.90859 1.02109 2.59921 Fertile Leaflet with Sori 1.7362283333333333 0.502865 2.7192 Primary Rachis 0.15667666666666666 0.0 0.335341 Secondary Rachis 0.126066 0.103379 0.145456 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0