condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 2.2278486666666666 0.0 6.4014 Young Stem with Root 0.171959 0.0 0.515877 Mature Stem with Root 5.18143 1.02146 10.0194 Root 0.9607726666666666 0.356754 1.54554