condition mean min max Sterile Frond 16.100207666666666 0.149188 47.8048 Fertile Frond 16.09667 0.107282 48.0705 Young Stem with Root 11.77915 0.0 34.8118 Mature Stem with Root 32.04332863333333 0.0548799 95.7176 Root 10.651648933333334 0.0 31.9055