condition mean min max Sterile Leaflet 1.589049 0.686797 2.80054 Fertile Leaflet with Sori 0.4076473 0.0538649 0.697044 Primary Rachis 3.2165566666666665 1.68912 5.20064 Secondary Rachis 3.5405599999999997 2.127 4.76978 Petiole 2.2259 1.4154 3.62181 Crozier 1.2090123333333334 0.627679 2.25629 Root 0.50038 0.166649 0.964522