condition mean min max Sterile Leaflet 2.3556233333333334 1.25601 2.97769 Fertile Leaflet with Sori 2.77067 2.47364 3.29634 Primary Rachis 1.178845 0.687637 1.86421 Petiole 0.486435 0.0 1.03123 Root 0.756073 0.0 1.88216