condition mean min max Sterile Leaflet 0.44092933333333334 0.0 0.845484 Fertile Leaflet with Sori 6.155112166666666 0.0362065 15.3783 Primary Rachis 0.0051194000000000005 0.0 0.0153582 Secondary Rachis 1.0398424333333334 0.0642473 1.69952 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.11642503333333334 0.0567064 0.193952