condition mean min max Sterile Frond 4.635339999999999 3.38562 5.8663 Fertile Frond 4.48092 3.87076 4.99034 Young Stem with Root 4.01189 3.31332 4.91082 Mature Stem with Root 5.183143333333334 3.61141 6.73707 Root 2.721443333333333 2.59272 2.94412