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water fern
Azolla filiculoides
Azolla filiculoides
water fern mosquito-ferns
Azolla filiculoides Azollaceae
common name
  water fern
accepted scientific name
  Azolla filiculoides Lam.
rules for finding collection records
  Azolla caroliniana (4)
  Azolla filiculoides (62)
  Azolla microphylla (0)
family name
  • Azollaceae
Image Author: ©2008 Anthony Valois and the National Park Service
Image License: public domain
Image Source
Category: Aquatic Plants, Fern-like Plants
Fern Category: Fern
Plant Observed All Year
Native in America. Brought to Hawaii for mosquito control.

How Likely at this Location (18%)
Name Match (100%)
Plant Showiness (27%)
where plant found
mag select
grid lines base


Accepted Scientific Name

Azolla filiculoides   Lam.   (TSN: 18007, Index: 802)

Scientific Names used to access collection records

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Common Names

To remove a name, make the line blank. To add multiple names on one line put a comma between them. Do not capitalize the words in common names unless they are a person or place. (Bad: Pink Rose) (Good: Pink's rose)

Family Names