condition mean min max Sterile Leaflet 3.5052933333333334 2.58762 4.41118 Fertile Leaflet with Sori 4.23319 2.0883 6.01146 Primary Rachis 1.91172 1.57165 2.12406 Secondary Rachis 2.4590899999999998 1.84758 3.01611 Petiole 2.4789266666666667 2.17076 2.6633 Crozier 8.43216 6.10036 10.5403 Root 2.7757033333333334 2.13738 3.33502