Bladderworts West of the Cascade Mountains of Oregon and Washington
The Genus Utricularia
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Common bladderwort as seen in an irrigation canal along the southern loop of
the Willard Springs Trail at Conboy Lake National Wildlife Refuge........August 26, 2018. The photo at right shows the branched leaves, each bearing numerous blackened bladders which help trap aquatic insects and thus provide the plant with protein in an environment which is often nitrogen poor.
Creeping Bladderwort, Humped Bladderwort, Swollen-spurred Bladderwort: Utricularia gibba (Synonym: Utricularia fibrosa) -
Swollen Bladdewort: Utricularia inflata -
Flat-leaved Bladderwort, Mountain Bladderwort: Utricularia intermedia -
Lesser Bladderwort: Utricularia minor -
Bladderwort, Common Bladderwort, Greater Bladderwort: Utricularia vulgaris (Synonyms: Utricularia macrorhiza, Utricularia vulgaris var. americana) -