condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.14491333333333334 0.0 0.43474 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 23.4542 0.0 70.3626