condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 5.515455 0.959265 13.4894 Young Stem with Root 8.552250333333333 0.212751 14.2595 Mature Stem with Root 0.5199967999999999 0.0342884 1.28232 Root 0.5141156666666666 0.0 0.800725