condition mean min max Sterile Leaflet 3.40447 1.74243 6.46115 Fertile Leaflet with Sori 2.0284033333333333 1.20658 3.02083 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.105147 0.0 0.315441 Petiole 0.055673 0.0 0.167019 Crozier 0.0 0.0 0.0 Root 0.3810073333333333 0.0 0.969088