condition mean min max Sterile Frond 3.2890313333333334 0.0 9.6289 Fertile Frond 3.0719314 0.0234452 8.69882 Young Stem with Root 13.765337333333335 0.664612 37.9391 Mature Stem with Root 6.3298094 0.0451642 18.2769 Root 0.1614579 0.0508497 0.322556