condition mean min max Sterile Leaflet 4.046267 0.167201 11.3518 Fertile Leaflet with Sori 0.5745745 0.0787175 0.957493 Primary Rachis 0.6549510000000001 0.174654 1.30376 Secondary Rachis 0.5171926666666666 0.174096 1.13096 Petiole 0.5868289999999999 0.105492 1.53022 Crozier 0.4247993333333333 0.207093 0.806006 Root 0.428916 0.179532 0.78334