condition mean min max Sterile Leaflet 0.9176033333333334 0.0 2.75281 Fertile Leaflet with Sori 1.9512130666666665 0.0717492 3.13976 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