condition mean min max Sterile Frond 0.042042666666666666 0.0 0.126128 Fertile Frond 0.14821700000000002 0.0 0.444651 Young Stem with Root 1.375349 0.131501 3.45991 Mature Stem with Root 0.96995 0.0 1.46773 Root 6.541300000000001 0.0 17.0621