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Common (vernacular) names applied to California vascular plants

compiled by Elizabeth Painter

up to date as of May 1, 2016

Common names (also referred to as vernacular names) are applied differently at different times and places by different users. This list is compiled from many sources and is intended to be as comprehensive as possible. It is not intended to indicate which common name is correct or preferred. Please send comments about this page to Elizabeth Painter (

TaxonAzolla filiculoides
Family common name(s)mosquito-fern; mosquito fern; mosquitofern; water-fern; water fern; waterfern; azolla
Genus common name(s)azolla; mosquito-fern; mosquito fern; mosquitofern; fairy moss
Species common name(s)Pacific azolla; Pacific mosquito-fern; Pacific mosquito fern; Pacific mosquitofern; Pacific water-fern; Pacific water fern; Pacific waterfern; large mosquito-fern; large mosquito fern; red water fern; fern-like azolla; fern azolla; fairy moss; duckweed fern; duck-weed fern; duck weed fern; duck fern
Common name(s) generally applied to other taxa or multiple taxaAmerican azolla is applied to multiple Azolla taxa; floating-fern, floating fern, floating-moss, floating moss, water-fern, water fern, waterfern, American water-fern, American water fern, American waterfern, red duckweed, duckweed, duck-weed, duck weed are applied to taxa in multiple families
NotesPacific is a proper name, so upper case preferable
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