condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.12316133333333333 0.0 0.369484 Mature Stem with Root 0.0 0.0 0.0 Root 6.549139 0.170327 17.5884