condition mean min max Sterile Leaflet 0.635777 0.0 1.18679 Fertile Leaflet with Sori 5.76485 4.2458 6.56341 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.8639066666666666 0.0 1.54808 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.27105466666666667 0.0 0.813164