condition mean min max Sterile Frond 26.899700000000003 13.4593 39.8132 Fertile Frond 22.39773333333333 19.5601 26.4465 Young Stem with Root 11.252936666666667 9.87811 13.2273 Mature Stem with Root 15.660459999999999 5.88418 24.8893 Root 6.95369 2.31586 13.4728