condition mean min max Sterile Frond 0.22462633333333334 0.0 0.364673 Fertile Frond 0.25648933333333335 0.0 0.769468 Young Stem with Root 0.7777510000000001 0.0 2.03262 Mature Stem with Root 0.30481233333333335 0.0 0.914437 Root 3.4730130000000003 0.0 9.9479