Notes on the flora of the Yucatan peninsula iv: Marsilea vestita Hook. Et Grev. var. vestita (Marsileaceae), a new record and some comments about the genus in the region

1 . Abstract: Marsilea vestita Hook. et Grev. var. vestita is reported for the first time from the Yucatan Peninsula Biotic Province. An overview of the family Marsileaceae in the region is presented. A key to the three species known for the area is provided, as well as habitat notes and a full description of the newly reported population of M. vestita var. vestita.