condition mean min max Sterile Leaflet 1.9967833333333334 0.0 3.49932 Fertile Leaflet with Sori 1.78381 0.0 3.6077 Primary Rachis 3.7859833333333333 0.0 7.42646 Petiole 3.6702630000000003 0.246349 6.11697 Root 0.93009 0.0 2.79027