American fern journal (1910-2014)
Amer. Fern J.
vol. 4 (1914)
t.
20
f. 2
name cited:
Azolla caroliniana Willd.
name recognized:
Azolla filiculoides Lam.
family: Azollaceae
epithet cited:
carolinianus,-a,-um
epithet recognized:
filiculoides
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=115187
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synonyms:
