condition mean min max Sterile Frond 0.5925066666666666 0.139751 1.13585 Fertile Frond 2.219818 0.563924 3.07427 Young Stem with Root 28.733444933333335 0.0 86.1747 Mature Stem with Root 2.956508 0.786384 5.38675 Root 21.95078 1.21895 57.5041