condition mean min max Sterile Frond 0.06021566666666667 0.0 0.180647 Fertile Frond 0.19728400000000001 0.0 0.591852 Young Stem with Root 0.062072999999999996 0.0 0.186219 Mature Stem with Root 3.2312388 0.0 9.67175 Root 0.17283383333333333 0.0159115 0.455965