condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.6245433333333333 0.0 1.87363 Mature Stem with Root 0.0 0.0 0.0 Root 3.331853333333333 0.0 9.99556