condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.035617 0.0 0.106851 Young Stem with Root 3.3057282000000003 0.0503446 8.79568 Mature Stem with Root 2.4947493333333335 0.0 7.03697 Root 5.4737100000000005 1.17904 12.4876