duckweed fern
duckweed fern (Canadian Forest Service, 2007) is a synonym English vernacular name for:
Azolla filiculoides Lamarck , an accepted species name sensu FNA Ed. Comm., 1993.
duckweed fern (Canadian Forest Service, 2007) is a synonym English vernacular name for:
Azolla filiculoides Lamarck , an accepted species name sensu FNA Ed. Comm., 1993.