condition mean min max Sterile Leaflet 1.351297 0.393131 2.80756 Fertile Leaflet with Sori 3.85941 1.76114 5.48904 Primary Rachis 3.240086666666667 2.10225 4.77608 Petiole 3.91028 1.164 5.61513 Crozier 3.186123333333333 1.59201 4.48248 Rhizome 1.472653 0.646889 2.25229 Root 0.571919 0.0 1.30981