condition mean min max Sterile Leaflet 0.17751853333333334 0.0544726 0.325626 Fertile Leaflet with Sori 2.124422 0.0 5.77769 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.018802799999999998 0.0 0.0564084 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.068229 0.0 0.204687