condition mean min max Sterile Leaflet 5.453933 0.540069 8.03134 Fertile Leaflet with Sori 8.068660000000001 0.0 20.8713 Primary Rachis 0.04426133333333334 0.0 0.132784 Secondary Rachis 0.190435 0.0 0.571305 Petiole 0.04533333333333334 0.0 0.136 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0