condition mean min max Sterile Leaflet 0.11439766666666668 0.0 0.343193 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 3.2894966666666665 1.91094 4.21889 Petiole 2.0149880000000002 0.361914 3.80512 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0