condition mean min max Sterile Leaflet 1.89894 1.84392 1.98972 Fertile Leaflet with Sori 1.3626413333333334 0.654874 1.75679 Primary Rachis 1.5881100000000001 1.41907 1.90623 Secondary Rachis 1.84842 1.18782 2.24478 Petiole 1.66921 1.53218 1.90542 Crozier 2.01158 1.91498 2.12212 Root 1.3964066666666666 1.19938 1.71733