condition mean min max Sterile Leaflet 0.8642533333333334 0.0 2.59276 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.09788999999999999 0.0 0.29367 Petiole 0.0 0.0 0.0 Crozier 9.474393333333333 1.386 20.0319 Root 0.0 0.0 0.0