condition mean min max Sterile Leaflet 0.14026033333333335 0.0 0.420781 Fertile Leaflet with Sori 2.5360933333333335 1.21621 4.84646 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.075639 0.0 0.226917 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0