condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.37378933333333336 0.0 0.751133 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.31318033333333334 0.0 0.601618 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.5710163333333336 0.374369 8.27937