condition mean min max Sterile Leaflet 0.331718 0.0 0.995154 Fertile Leaflet with Sori 6.803829 0.956857 17.0138 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.48668 0.0 1.46004 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0