condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.847437 0.243821 1.67343 Rhizome 3.7080766666666665 2.4776 4.34319 Root 19.4326 10.7648 34.9988