condition mean min max Sterile Leaflet 0.24539033333333335 0.189508 0.349563 Fertile Leaflet with Sori 2.6474426666666666 0.773454 6.28546 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0