condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.09759966666666665 0.0 0.292799 Mature Stem with Root 1.50428 0.0 2.83151 Root 4.262161333333333 0.0 12.2921