condition mean min max Sterile Leaflet 6.338284 0.115742 13.8321 Fertile Leaflet with Sori 2.830251333333333 0.416784 5.05399 Primary Rachis 0.8349486666666667 0.253496 1.21277 Secondary Rachis 2.12657 0.83541 2.8406 Petiole 0.7912893333333334 0.600002 1.14568 Crozier 1.152086 0.987838 1.40149 Root 2.83236 1.0431 4.69143