condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.30918033333333333 0.0 0.927541 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.1508416666666665 0.849425 5.21171 Root 0.283752 0.0 0.851256