condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.26138 0.0 3.78414 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.3087856666666666 0.422027 5.75639 Root 1.1757533666666666 0.0 3.44919