condition mean min max Sterile Leaflet 3.7428233333333334 1.74514 7.02127 Fertile Leaflet with Sori 3.274896666666667 1.78327 6.05415 Primary Rachis 0.100013 0.0 0.300039 Secondary Rachis 0.752938 0.424063 1.25777 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0