condition mean min max Sterile Leaflet 0.09130323333333333 0.0107091 0.216738 Fertile Leaflet with Sori 0.0322205 0.0128533 0.0488962 Primary Rachis 0.3135665 0.0350845 0.477199 Secondary Rachis 0.749233 0.165197 1.26749 Petiole 0.42571003333333335 0.0687341 0.605342 Crozier 2.06537 1.03714 3.45411 Root 1.0099653333333334 0.421677 1.68948