condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.0209203 0.0 0.0627609 Mature Stem with Root 2.7532211666666666 0.0 8.1847 Root 0.4231195666666667 0.0560872 1.14603