Clara Heyn Content type Biography Blog Encyclopedia Article Lesson Plan Oral History Podcast Collection We Remember This Week in History The Feminist Revolution Women Rabbis Women of Valor Power Couples Soviet Jewry Baltimore DC Katrina Seattle Western Pioneers Clara Heyn Botanist Clara Heyn’s most significant achievement was her work with the plant family Leguminosae, especially the genus Medicago. She was an excellent botanist, teacher, and colleague.