condition mean min max Sterile Frond 11.71825 9.73897 15.6176 Fertile Frond 11.54786 9.79098 13.0333 Young Stem with Root 11.91517 9.41591 13.1733 Mature Stem with Root 14.17189 8.83477 18.2472 Root 7.827833333333333 4.36873 11.0623