condition mean min max Sterile Leaflet 3.212706 0.822008 5.93395 Fertile Leaflet with Sori 1.7769036666666667 0.762981 3.47383 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.41587 0.497456 3.13092 Petiole 0.14106466666666667 0.0 0.423194 Crozier 0.0 0.0 0.0 Root 0.625158 0.0 1.06231