condition mean min max Sterile Leaflet 0.056682 0.0 0.170046 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 3.788785 0.717355 6.28808 Petiole 3.6233133333333334 0.0 7.18378 Root 0.8480296666666667 0.0 1.61472