condition mean min max Sterile Leaflet 0.058256 0.0 0.174768 Fertile Leaflet with Sori 0.018561333333333332 0.0 0.055684 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0388058 0.0 0.0989964 Petiole 0.0 0.0 0.0 Crozier 4.209019666666666 0.998839 9.25555 Root 0.0 0.0 0.0