condition mean min max Sterile Leaflet 2.9418333333333333 1.88633 4.37491 Fertile Leaflet with Sori 3.55692 1.65208 4.84509 Primary Rachis 1.865428 0.924254 2.4363 Secondary Rachis 2.4945 1.14011 3.26395 Petiole 1.2288563333333333 0.51731 2.17221 Crozier 1.418949 0.914617 1.6988 Root 1.245111 0.859363 1.56406