condition mean min max Sterile Leaflet 0.7821566666666667 0.0 1.19273 Fertile Leaflet with Sori 3.4751133333333333 1.56231 4.90848 Primary Rachis 0.350481 0.23608 0.440076 Secondary Rachis 1.041468 0.291464 1.81146 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 1.17449 0.0 3.52347