condition mean min max Sterile Leaflet 6.654438066666667 0.0662772 19.7365 Fertile Leaflet with Sori 7.642637966666666 0.0734639 22.4107 Primary Rachis 2.40827 0.0 7.22481 Secondary Rachis 3.2686485000000003 0.0649047 9.65328 Petiole 1.9383804999999998 0.0 5.7425 Crozier 0.1314206 0.0695218 0.252944 Root 2.843847766666667 0.0 8.44941