condition mean min max Sterile Frond 0.09960533333333334 0.0 0.298816 Fertile Frond 0.235305 0.0 0.705915 Young Stem with Root 4.251 0.0 12.753 Mature Stem with Root 1.5018099999999999 0.0 4.50543 Root 3.8808333333333334 0.0 11.2106