condition mean min max Sterile Leaflet 2.486104 0.241622 4.64381 Fertile Leaflet with Sori 2.3499053333333335 0.412307 5.91582 Primary Rachis 0.299743 0.0 0.660749 Secondary Rachis 1.3320983333333334 0.686475 1.97599 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.06510083333333333 0.0 0.104849