condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.083834 0.0 0.251502 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.891440333333334 0.239081 12.9573 Root 0.8440433333333334 0.0 1.46331