condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.222406 0.0 0.667218 Young Stem with Root 12.18107 2.72911 20.7533 Mature Stem with Root 8.812126666666668 0.0 24.1627 Root 29.907366666666665 10.7227 48.1025