condition mean min max Sterile Frond 0.0104178 0.0 0.0312534 Fertile Frond 13.604525333333333 0.604296 38.5627 Young Stem with Root 13.614989999999999 2.69675 29.5524 Mature Stem with Root 6.579983 0.479459 16.2326 Root 6.6704593333333335 0.603648 12.2035