condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.08381233333333334 0.0 0.251437 Mature Stem with Root 0.0 0.0 0.0 Root 2.8081366666666665 0.0 7.1659