condition mean min max Sterile Frond 3.1454400000000002 2.858 3.4043 Fertile Frond 3.38584 3.00265 3.94345 Young Stem with Root 2.85403 1.50145 4.0879 Mature Stem with Root 3.9895466666666666 3.61021 4.68009 Root 1.9663633333333332 0.69194 2.67346