condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.032597133333333334 0.0 0.0977914 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.030798500000000003 0.0 0.0923955 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 6.117613 0.201499 13.4258