condition mean min max Sterile Frond 0.618834 0.0 1.44729 Fertile Frond 1.3711353333333334 0.0 3.36423 Young Stem with Root 0.137599 0.0 0.412797 Mature Stem with Root 2.1702496666666664 0.415159 4.10732 Root 4.8385 0.63434 8.91672