condition mean min max Sterile Leaflet 2.7461066666666665 0.0 8.23832 Fertile Leaflet with Sori 2.81621 0.0 8.44863 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.12442566666666667 0.0 0.373277 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.060802999999999996 0.0 0.182409