condition mean min max Sterile Leaflet 4.121488333333333 0.398915 6.15464 Fertile Leaflet with Sori 2.42295 1.72092 3.42948 Primary Rachis 2.2682466666666667 1.0486 3.90422 Petiole 1.144747 0.402979 2.189 Crozier 0.8344739999999999 0.0 1.72009 Rhizome 0.840663 0.0 1.84562 Root 1.324297 0.0 2.99481