condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.05716633333333334 0.0 0.171499 Root 2.8945660333333336 0.0 8.66398