condition mean min max Sterile Frond 3.2873900000000003 0.0 9.86217 Fertile Frond 0.21549533333333334 0.0 0.646486 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0