condition mean min max Sterile Frond 9.521180000000001 3.44508 21.385 Fertile Frond 2.68845 1.95219 3.11209 Young Stem with Root 2.6453773333333332 0.0 7.7646 Mature Stem with Root 1.2298056666666666 0.400887 2.66982 Root 6.8055041 0.0961643 19.6341