Azolla pinnata var. pinnata R.Br.

, Amer. Fern J. (1971).
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:165931-3
Publication
American Fern Journal; a quarterly devoted to ferns.
Family as entered in IPNI
Azollaceae

Remarks

Autonym. Created earlier?