Which Genus has around 30 species of flowering plants, Schoenoplectus or Isatis?
Schoenoplectus: Schoenoplectus (club-rush [Old World species], bulrush or tule [New World species]) is a genus of plants in the sedges with a cosmopolitan distribution. Isatis: Isatis is a genus of about 30 species of flowering plants in the family Brassicaceae, native to the Mediterranean region east to central Asia.
Isatis