condition mean min max Sterile Leaflet 2.30937 1.11055 3.9743 Fertile Leaflet with Sori 0.825719 0.184165 2.02034 Primary Rachis 0.13598496666666665 0.0 0.340531 Secondary Rachis 2.625353233333333 0.0395607 7.57782 Petiole 0.15471870000000001 0.0481111 0.295899 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0